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cyclones</title> <meta name="description" content="Search results for: tropical cyclones"> <meta name="keywords" content="tropical cyclones"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="tropical cyclones"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 532</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: tropical cyclones</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">532</span> Predicting the Frequencies of Tropical Cyclone-Induced Rainfall Events in the US Using a Machine-Learning Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elham%20Sharifineyestani">Elham Sharifineyestani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Farshchin"> Mohammad Farshchin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tropical cyclones are one of the most expensive and deadliest natural disasters. They cause heavy rainfall and serious flash flooding that result in billions of dollars of damage and considerable mortality each year in the United States. Prediction of the frequency of tropical cyclone-induced rainfall events can be helpful in emergency planning and flood risk management. In this study, we have developed a machine-learning model to predict the exceedance frequencies of tropical cyclone-induced rainfall events in the United States. Model results show a satisfactory agreement with available observations. To examine the effectiveness of our approach, we also have compared the result of our predictions with the exceedance frequencies predicted using a physics-based rainfall model by Feldmann. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flash%20flooding" title="flash flooding">flash flooding</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20cyclones" title=" tropical cyclones"> tropical cyclones</a>, <a href="https://publications.waset.org/abstracts/search?q=frequencies" title=" frequencies"> frequencies</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=risk%20management" title=" risk management"> risk management</a> </p> <a href="https://publications.waset.org/abstracts/142270/predicting-the-frequencies-of-tropical-cyclone-induced-rainfall-events-in-the-us-using-a-machine-learning-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142270.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">247</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">531</span> Two-Stage Estimation of Tropical Cyclone Intensity Based on Fusion of Coarse and Fine-Grained Features from Satellite Microwave Data</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Huinan%20Zhang">Huinan Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenjie%20Jiang"> Wenjie Jiang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Accurate estimation of tropical cyclone intensity is of great importance for disaster prevention and mitigation. Existing techniques are largely based on satellite imagery data, and research and utilization of the inner thermal core structure characteristics of tropical cyclones still pose challenges. This paper presents a two-stage tropical cyclone intensity estimation network based on the fusion of coarse and fine-grained features from microwave brightness temperature data. The data used in this network are obtained from the thermal core structure of tropical cyclones through the Advanced Technology Microwave Sounder (ATMS) inversion. Firstly, the thermal core information in the pressure direction is comprehensively expressed through the maximal intensity projection (MIP) method, constructing coarse-grained thermal core images that represent the tropical cyclone. These images provide a coarse-grained feature range wind speed estimation result in the first stage. Then, based on this result, fine-grained features are extracted by combining thermal core information from multiple view profiles with a distributed network and fused with coarse-grained features from the first stage to obtain the final two-stage network wind speed estimation. Furthermore, to better capture the long-tail distribution characteristics of tropical cyclones, focal loss is used in the coarse-grained loss function of the first stage, and ordinal regression loss is adopted in the second stage to replace traditional single-value regression. The selection of tropical cyclones spans from 2012 to 2021, distributed in the North Atlantic (NA) regions. The training set includes 2012 to 2017, the validation set includes 2018 to 2019, and the test set includes 2020 to 2021. Based on the Saffir-Simpson Hurricane Wind Scale (SSHS), this paper categorizes tropical cyclone levels into three major categories: pre-hurricane, minor hurricane, and major hurricane, with a classification accuracy rate of 86.18% and an intensity estimation error of 4.01m/s for NA based on this accuracy. The results indicate that thermal core data can effectively represent the level and intensity of tropical cyclones, warranting further exploration of tropical cyclone attributes under this data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Artificial%20intelligence" title="Artificial intelligence">Artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=deep%20learning" title=" deep learning"> deep learning</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20mining" title=" data mining"> data mining</a>, <a href="https://publications.waset.org/abstracts/search?q=remote%20sensing" title=" remote sensing"> remote sensing</a> </p> <a href="https://publications.waset.org/abstracts/183939/two-stage-estimation-of-tropical-cyclone-intensity-based-on-fusion-of-coarse-and-fine-grained-features-from-satellite-microwave-data" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183939.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">63</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">530</span> Experimental Simulations of Aerosol Effect to Landfalling Tropical Cyclones over Philippine Coast: Virtual Seeding Using WRF Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bhenjamin%20Jordan%20L.%20Ona">Bhenjamin Jordan L. Ona</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Weather modification is an act of altering weather systems that catches interest on scientific studies. Cloud seeding is a common form of weather alteration. On the same principle, tropical cyclone mitigation experiment follows the methods of cloud seeding with intensity to account for. This study will present the effects of aerosol to tropical cyclone cloud microphysics and intensity. The framework of Weather Research and Forecasting (WRF) model incorporated with Thompson aerosol-aware scheme is the prime host to support the aerosol-cloud microphysics calculations of cloud condensation nuclei (CCN) ingested into the tropical cyclones before making landfall over the Philippine coast. The coupled microphysical and radiative effects of aerosols will be analyzed using numerical data conditions of Tropical Storm Ketsana (2009), Tropical Storm Washi (2011), and Typhoon Haiyan (2013) associated with varying CCN number concentrations per simulation per typhoon: clean maritime, polluted, and very polluted having 300 cm-3, 1000 cm-3, and 2000 cm-3 aerosol number initial concentrations, respectively. Aerosol species like sulphates, sea salts, black carbon, and organic carbon will be used as cloud nuclei and mineral dust as ice nuclei (IN). To make the study as realistic as possible, investigation during the biomass burning due to forest fire in Indonesia starting October 2015 as Typhoons Mujigae/Kabayan and Koppu/Lando had been seeded with aerosol emissions mainly comprises with black carbon and organic carbon, will be considered. Emission data that will be used is from NASA's Moderate Resolution Imaging Spectroradiometer (MODIS). The physical mechanism/s of intensification or deintensification of tropical cyclones will be determined after the seeding experiment analyses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aerosol" title="aerosol">aerosol</a>, <a href="https://publications.waset.org/abstracts/search?q=CCN" title=" CCN"> CCN</a>, <a href="https://publications.waset.org/abstracts/search?q=IN" title=" IN"> IN</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20cylone" title=" tropical cylone"> tropical cylone</a> </p> <a href="https://publications.waset.org/abstracts/44387/experimental-simulations-of-aerosol-effect-to-landfalling-tropical-cyclones-over-philippine-coast-virtual-seeding-using-wrf-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44387.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">296</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">529</span> Understanding the Endogenous Impact of Tropical Cyclones Floods and Sustainable Landscape Management Innovations on Farm Productivity in Malawi</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Innocent%20Pangapanga">Innocent Pangapanga</a>, <a href="https://publications.waset.org/abstracts/search?q=Eric%20Mungatana"> Eric Mungatana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tropical cyclones–related floods (TCRFs) in Malawi have devastating effects on smallholder agriculture, thereby threatening the food security agenda, which is already constrained by poor agricultural innovations, low use of improved varieties, and unaffordable inorganic fertilizers, and fragmenting landholding sizes. Accordingly, households have engineered and indigenously implemented sustainable landscape management (SLM) innovations to contain the adverse effects of TCRFs on farm productivity. This study, therefore, interrogated the efficacy of SLM adoption on farm productivity under varying TCRFs, while controlling for the potential selection bias and unobservable heterogeneity through the application of the Endogenous Switching Regression Model. In this study, we further investigated factors driving SLM adoption. Substantively, we found TCRFs reducing farm productivity by 31 percent, on the one hand, and influencing the adoption of SLM innovations by 27 percent, on the other hand. The study also observed that households that interacted SLM with TCRFs were more likely to enhance farm productivity by 24 percent than their counterparts. Interestingly, the study results further demonstrated that multiple adoptions of SLM-related innovations, including intercropping, agroforestry, and organic manure, enhanced farm productivity by 126 percent, suggesting promoting SLM adoption as a package to appropriately inform existing sustainable development goals’ agricultural productivity initiatives under intensifying TCRFs in the country. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tropical%20cyclones%E2%80%93related%20floods" title="tropical cyclones–related floods">tropical cyclones–related floods</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20landscape%20management%20innovations" title=" sustainable landscape management innovations"> sustainable landscape management innovations</a>, <a href="https://publications.waset.org/abstracts/search?q=farm%20productivity" title=" farm productivity"> farm productivity</a>, <a href="https://publications.waset.org/abstracts/search?q=endogeneity" title=" endogeneity"> endogeneity</a>, <a href="https://publications.waset.org/abstracts/search?q=endogenous%20switching%20regression%20model" title=" endogenous switching regression model"> endogenous switching regression model</a>, <a href="https://publications.waset.org/abstracts/search?q=panel%20data" title=" panel data"> panel data</a>, <a href="https://publications.waset.org/abstracts/search?q=smallholder%20agriculture" title=" smallholder agriculture"> smallholder agriculture</a> </p> <a href="https://publications.waset.org/abstracts/147294/understanding-the-endogenous-impact-of-tropical-cyclones-floods-and-sustainable-landscape-management-innovations-on-farm-productivity-in-malawi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147294.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">116</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">528</span> Cyclone Driven Variation of Chlorophyll-a Concentration in Bay of Bengal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nowshin%20Nabila%20Siddique">Nowshin Nabila Siddique</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20Mustafizur%20Rahman"> S. M. Mustafizur Rahman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There is evidence of cyclonic events in Bay of Bengal (BoB) throughout the year. These cyclones cause a variety of fluctuations along its track including the is the influence in Chlorophyll-a (chl-a) concentration. The main purpose of this paper is to justify this variation pattern. Six Tropical Cyclones (TC) are studied using observational method. The result suggests that there is a noticeable change in productivity after a cyclone passes, when the pre cyclonic and post cyclonic condition is observed. In case of Cyclone Amphan, it shows 1.79 mg/m3 of chlorophyll-a concentration increase after a week of cyclonic occurrence. This change is affected by several attributes such as translation speed, intensity and Ocean Pre-condition, specifically Mixed Layer Depth (MLD). Translation Speed and MLD shows a strong negative correlation with the induced chlorophyll concentration. Whereas the effect of the intensity on a cyclone is not that prominent. It is also found that the period of starting an induction is not same for all cyclone such as in case of Cyclone Amphan, the changes started to occur after one day however for Cyclone Sidr and Cyclone Mora it started after three days. Furthermore, a slightly increase in overall productivity is also observed after a cyclone. In the case of Cyclone Amphan, Hudhud, Phailin it shows a rise up to 0.12 mg/m3 in productivity which decreases gradually taking around the period of two months. On a whole this paper signifies the changes in chlorophyll concentration caused by numerous cyclones and its different characteristics that regulates these changes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tropical%20cyclone" title="tropical cyclone">tropical cyclone</a>, <a href="https://publications.waset.org/abstracts/search?q=chlorophyll-a%20concentration" title=" chlorophyll-a concentration"> chlorophyll-a concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=mixed%20layer%20depth" title=" mixed layer depth"> mixed layer depth</a>, <a href="https://publications.waset.org/abstracts/search?q=translation%20speed" title=" translation speed"> translation speed</a> </p> <a href="https://publications.waset.org/abstracts/159764/cyclone-driven-variation-of-chlorophyll-a-concentration-in-bay-of-bengal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159764.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">88</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">527</span> Coastal Vulnerability Index and Its Projection for Odisha Coast, East Coast of India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bishnupriya%20Sahoo">Bishnupriya Sahoo</a>, <a href="https://publications.waset.org/abstracts/search?q=Prasad%20K.%20Bhaskaran"> Prasad K. Bhaskaran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tropical cyclone is one among the worst natural hazards that results in a trail of destruction causing enormous damage to life, property, and coastal infrastructures. In a global perspective, the Indian Ocean is considered as one of the cyclone prone basins in the world. Specifically, the frequency of cyclogenesis in the Bay of Bengal is higher compared to the Arabian Sea. Out of the four maritime states in the East coast of India, Odisha is highly susceptible to tropical cyclone landfall. Historical records clearly decipher the fact that the frequency of cyclones have reduced in this basin. However, in the recent decades, the intensity and size of tropical cyclones have increased. This is a matter of concern as the risk and vulnerability level of Odisha coast exposed to high wind speed and gusts during cyclone landfall have increased. In this context, there is a need to assess and evaluate the severity of coastal risk, area of exposure under risk, and associated vulnerability with a higher dimension in a multi-risk perspective. Changing climate can result in the emergence of a new hazard and vulnerability over a region with differential spatial and socio-economic impact. Hence there is a need to have coastal vulnerability projections in a changing climate scenario. With this motivation, the present study attempts to estimate the destructiveness of tropical cyclones based on Power Dissipation Index (PDI) for those cyclones that made landfall along Odisha coast that exhibits an increasing trend based on historical data. The study also covers the futuristic scenarios of integral coastal vulnerability based on the trends in PDI for the Odisha coast. This study considers 11 essential and important parameters; the cyclone intensity, storm surge, onshore inundation, mean tidal range, continental shelf slope, topo-graphic elevation onshore, rate of shoreline change, maximum wave height, relative sea level rise, rainfall distribution, and coastal geomorphology. The study signifies that over a decadal scale, the coastal vulnerability index (CVI) depends largely on the incremental change in variables such as cyclone intensity, storm surge, and associated inundation. In addition, the study also performs a critical analysis on the modulation of PDI on storm surge and inundation characteristics for the entire coastal belt of Odisha State. Interestingly, the study brings to light that a linear correlation exists between the storm-tide with PDI. The trend analysis of PDI and its projection for coastal Odisha have direct practical applications in effective coastal zone management and vulnerability assessment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bay%20of%20Bengal" title="Bay of Bengal">Bay of Bengal</a>, <a href="https://publications.waset.org/abstracts/search?q=coastal%20vulnerability%20index" title=" coastal vulnerability index"> coastal vulnerability index</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20dissipation%20index" title=" power dissipation index"> power dissipation index</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20cyclone" title=" tropical cyclone"> tropical cyclone</a> </p> <a href="https://publications.waset.org/abstracts/60601/coastal-vulnerability-index-and-its-projection-for-odisha-coast-east-coast-of-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60601.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">237</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">526</span> Identification of Vulnerable Zone Due to Cyclone-Induced Storm Surge in the Exposed Coast of Bangladesh</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohiuddin%20Sakib">Mohiuddin Sakib</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatin%20Nihal"> Fatin Nihal</a>, <a href="https://publications.waset.org/abstracts/search?q=Rabeya%20Akter"> Rabeya Akter</a>, <a href="https://publications.waset.org/abstracts/search?q=Anisul%20Haque"> Anisul Haque</a>, <a href="https://publications.waset.org/abstracts/search?q=Munsur%20Rahman"> Munsur Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Wasif-E-Elahi"> Wasif-E-Elahi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Surge generating cyclones are one of the deadliest natural disasters that threaten the life of coastal environment and communities worldwide. Due to the geographic location, ‘low lying alluvial plain, geomorphologic characteristics and 710 kilometers exposed coastline, Bangladesh is considered as one of the greatest vulnerable country for storm surge flooding. Bay of Bengal is possessing the highest potential of creating storm surge inundation to the coastal areas. Bangladesh is the most exposed country to tropical cyclone with an average of four cyclone striking every years. Frequent cyclone landfall made the country one of the worst sufferer within the world for cyclone induced storm surge flooding and casualties. During the years from 1797 to 2009 Bangladesh has been hit by 63 severe cyclones with strengths of different magnitudes. Though detailed studies were done focusing on the specific cyclone like Sidr or Aila, no study was conducted where vulnerable areas of exposed coast were identified based on the strength of cyclones. This study classifies the vulnerable areas of the exposed coast based on storm surge inundation depth and area due to cyclones of varying strengths. Classification of the exposed coast based on hazard induced cyclonic vulnerability will help the decision makers to take appropriate policies for reducing damage and loss. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cyclone" title="cyclone">cyclone</a>, <a href="https://publications.waset.org/abstracts/search?q=landfall" title=" landfall"> landfall</a>, <a href="https://publications.waset.org/abstracts/search?q=storm%20surge" title=" storm surge"> storm surge</a>, <a href="https://publications.waset.org/abstracts/search?q=exposed%20coastline" title=" exposed coastline"> exposed coastline</a>, <a href="https://publications.waset.org/abstracts/search?q=vulnerability" title=" vulnerability"> vulnerability</a> </p> <a href="https://publications.waset.org/abstracts/37354/identification-of-vulnerable-zone-due-to-cyclone-induced-storm-surge-in-the-exposed-coast-of-bangladesh" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37354.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">399</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">525</span> A Modelling Study to Compare the Storm Surge along Oman Coast Due to Ashobaa and Nanauk Cyclones</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20V.%20Suresh%20Reddi">R. V. Suresh Reddi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vishnu%20S.%20Das"> Vishnu S. Das</a>, <a href="https://publications.waset.org/abstracts/search?q=Mathew%20Leslie"> Mathew Leslie </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The weather systems within the Arabian Sea is very dynamic in terms of monsoon and cyclone events. The storms generated in the Arabian Sea are more likely to progress in the north-west or west direction towards Oman. From the database of Joint Typhoon Warning Center (JTWC), the number of cyclones that hit the Oman coast or pass within close vicinity is noteworthy and therefore they must be considered when looking at coastal/port engineering design and development projects. This paper provides a case study of two cyclones, i.e., Nanauk (2014) and Ashobaa (2015) to assess the impact on storm surge off the Oman coast. These two cyclones have been selected since they are comparable in terms of maximum wind, cyclone duration, central pressure and month of occurrence. They are of similar strength but differ in track, allowing the impact of proximity to the coast to be considered. Of the two selected cyclones, Ashobaa is the 'extreme' case with close proximity while Nanauk remains further offshore and is considered as a more typical case. The available 'best-track' data from JTWC is obtained for the 2 selected cyclones, and the cyclone winds are generated using a 'Cyclone Wind Generation Tool' from MIKE (modelling software) from DHI (Danish Hydraulic Institute). Using MIKE 21 Hydrodynamic model powered by DHI the storm surge is estimated at selected offshore locations along the Oman coast. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=costal%20engineering" title="costal engineering">costal engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=cyclone" title=" cyclone"> cyclone</a>, <a href="https://publications.waset.org/abstracts/search?q=storm%20surge" title=" storm surge"> storm surge</a>, <a href="https://publications.waset.org/abstracts/search?q=modelling" title=" modelling"> modelling</a> </p> <a href="https://publications.waset.org/abstracts/104031/a-modelling-study-to-compare-the-storm-surge-along-oman-coast-due-to-ashobaa-and-nanauk-cyclones" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104031.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">145</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">524</span> CFD Modeling and Optimization of Gas Cyclone Separator for Performance Improvement </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Beit%20Saeid">N. Beit Saeid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cyclones are used in the field of air industrial gases pollution and control the pollution with centrifugal forces that is generated with spatial geometry of the cyclone. Their simple design, low capital and maintenance costs and adaptability to a wide range of operating conditions have made cyclones one of the most widely used industrial dust collectors. Their cost of operation is proportional to the fan energy required to overcome their pressure drop. Optimized geometry of outlet diffuser of the cyclones potentially could reduce exit pressure losses without affecting collection efficiency. Three rectangular outlets and a radial outlet with a variable opening had been analyzed on two cyclones. Pressure drop was investigated for inlet velocities from about 10 to 20 m s−1. The radial outlet reduced cyclone pressure drop by between 8.7 and 11.9 percent when its exit area was equal to the flow area of the cyclone vortex finder or gas exit. A simple payback based on avoided energy costs was estimated to be between 3600 and 5000 h, not including installation cost. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cyclone" title="cyclone">cyclone</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD" title=" CFD"> CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20algorithm" title=" genetic algorithm"> genetic algorithm</a> </p> <a href="https://publications.waset.org/abstracts/34559/cfd-modeling-and-optimization-of-gas-cyclone-separator-for-performance-improvement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34559.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">381</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">523</span> Classification of Tropical Semi-Modules</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wagneur%20Edouard">Wagneur Edouard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tropical algebra is the algebra constructed over an idempotent semifield S. We show here that every m-dimensional tropical module M over S with strongly independent basis can be embedded into Sm, and provide an algebraic invariant -the Γ-matrix of M- which characterises the isomorphy class of M. The strong independence condition also yields a significant improvement to the Whitney embedding for tropical torsion modules published earlier We also show that the strong independence of the basis of M is equivalent to the unique representation of elements of M. Numerous examples illustrate our results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=classification" title="classification">classification</a>, <a href="https://publications.waset.org/abstracts/search?q=idempotent%20semi-modules" title=" idempotent semi-modules"> idempotent semi-modules</a>, <a href="https://publications.waset.org/abstracts/search?q=strong%20independence" title=" strong independence"> strong independence</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20algebra" title=" tropical algebra"> tropical algebra</a> </p> <a href="https://publications.waset.org/abstracts/32556/classification-of-tropical-semi-modules" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32556.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">370</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">522</span> Estimating Cyclone Intensity Using INSAT-3D IR Images Based on Convolution Neural Network Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Divvela%20Vishnu%20Sai%20Kumar">Divvela Vishnu Sai Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Deepak%20Arora"> Deepak Arora</a>, <a href="https://publications.waset.org/abstracts/search?q=Sheenu%20Rizvi"> Sheenu Rizvi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Forecasting a cyclone through satellite images consists of the estimation of the intensity of the cyclone and predicting it before a cyclone comes. This research work can help people to take safety measures before the cyclone comes. The prediction of the intensity of a cyclone is very important to save lives and minimize the damage caused by cyclones. These cyclones are very costliest natural disasters that cause a lot of damage globally due to a lot of hazards. Authors have proposed five different CNN (Convolutional Neural Network) models that estimate the intensity of cyclones through INSAT-3D IR images. There are a lot of techniques that are used to estimate the intensity; the best model proposed by authors estimates intensity with a root mean squared error (RMSE) of 10.02 kts. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=estimating%20cyclone%20intensity" title="estimating cyclone intensity">estimating cyclone intensity</a>, <a href="https://publications.waset.org/abstracts/search?q=deep%20learning" title=" deep learning"> deep learning</a>, <a href="https://publications.waset.org/abstracts/search?q=convolution%20neural%20network" title=" convolution neural network"> convolution neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=prediction%20models" title=" prediction models"> prediction models</a> </p> <a href="https://publications.waset.org/abstracts/163095/estimating-cyclone-intensity-using-insat-3d-ir-images-based-on-convolution-neural-network-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163095.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">126</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">521</span> Conversion of Tropical Wood to Bio-oil and Charcoal by Using the Process of Pyrolysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kittiphop%20Promdee">Kittiphop Promdee</a>, <a href="https://publications.waset.org/abstracts/search?q=Somruedee%20Satitkune"> Somruedee Satitkune</a>, <a href="https://publications.waset.org/abstracts/search?q=Chakkrich%20Boonmee"> Chakkrich Boonmee</a>, <a href="https://publications.waset.org/abstracts/search?q=Tharapong%20Vitidsant"> Tharapong Vitidsant</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Conversion of tropical wood using the process of pyrolysis, which converts tropical wood into fuel products, i.e. bio-oil and charcoal. The results showed the high thermal in the reactor core was thermally controlled between 0-600°C within 60 minutes. The products yield calculation showed that the liquid yield obtained from tropical wood was at its highest at 39.42 %, at 600°C, indicating that the tropical wood had received good yields because of a low gas yield average and high solid and liquid yield average. This research is not only concerned with the controlled temperatures, but also with the controlled screw rotating and feeding rate of biomass. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pyrolysis" title="pyrolysis">pyrolysis</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20wood" title=" tropical wood"> tropical wood</a>, <a href="https://publications.waset.org/abstracts/search?q=bio-oil" title=" bio-oil"> bio-oil</a>, <a href="https://publications.waset.org/abstracts/search?q=charcoal" title=" charcoal"> charcoal</a>, <a href="https://publications.waset.org/abstracts/search?q=heating%20value" title=" heating value"> heating value</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a> </p> <a href="https://publications.waset.org/abstracts/34906/conversion-of-tropical-wood-to-bio-oil-and-charcoal-by-using-the-process-of-pyrolysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34906.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">480</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">520</span> Carbon Sequestration and Carbon Stock Potential of Major Forest Types in the Foot Hills of Nilgiri Biosphere Reserve, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20Palanikumaran">B. Palanikumaran</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Kanagaraj"> N. Kanagaraj</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sangareswari"> M. Sangareswari</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Sailaja"> V. Sailaja</a>, <a href="https://publications.waset.org/abstracts/search?q=Kapil%20%20Sihag"> Kapil Sihag</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study aimed to estimate the carbon sequestration potential of major forest types present in the foothills of Nilgiri biosphere reserve. The total biomass carbon stock was estimated in tropical thorn forest, tropical dry deciduous forest and tropical moist deciduous forest as 14.61 t C ha⁻¹ 75.16 t C ha⁻¹ and 187.52 t C ha⁻¹ respectively. The density and basal area were estimated in tropical thorn forest, tropical dry deciduous forest, tropical moist deciduous forest as 173 stems ha⁻¹, 349 stems ha⁻¹, 391 stems ha⁻¹ and 6.21 m² ha⁻¹, 31.09 m² ha⁻¹, 67.34 m² ha⁻¹ respectively. The soil carbon stock of different forest ecosystems was estimated, and the results revealed that tropical moist deciduous forest (71.74 t C ha⁻¹) accounted for more soil carbon stock when compared to tropical dry deciduous forest (31.80 t C ha⁻¹) and tropical thorn forest (3.99 t C ha⁻¹). The tropical moist deciduous forest has the maximum annual leaf litter which was 12.77 t ha⁻¹ year⁻¹ followed by 6.44 t ha⁻¹ year⁻¹ litter fall of tropical dry deciduous forest. The tropical thorn forest accounted for 3.42 t ha⁻¹ yr⁻¹ leaf litter production. The leaf litter carbon stock of tropical thorn forest, tropical dry deciduous forest and tropical moist deciduous forest found to be 1.02 t C ha⁻¹ yr⁻¹ 2.28 t⁻¹ C ha⁻¹ yr⁻¹ and 5.42 t C ha⁻¹ yr⁻¹ respectively. The results explained that decomposition percent at the soil surface in the following order.tropical dry deciduous forest (77.66 percent) > tropical thorn forest (69.49 percent) > tropical moist deciduous forest (63.17 percent). Decomposition percent at soil subsurface was studied, and the highest decomposition percent was observed in tropical dry deciduous forest (80.52 percent) followed by tropical moist deciduous forest (77.65 percent) and tropical thorn forest (72.10 percent). The decomposition percent was higher at soil subsurface. Among the three forest type, tropical moist deciduous forest accounted for the highest bacterial (59.67 x 105cfu’s g⁻¹ soil), actinomycetes (74.87 x 104cfu’s g⁻¹ soil) and fungal (112.60 x10³cfu’s g⁻¹ soil) population. The overall observation of the study helps to conclude that, the tropical moist deciduous forest has the potential of storing higher carbon content as biomass with the value of 264.68 t C ha⁻¹ and microbial populations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=basal%20area" title="basal area">basal area</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20sequestration" title=" carbon sequestration"> carbon sequestration</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20stock" title=" carbon stock"> carbon stock</a>, <a href="https://publications.waset.org/abstracts/search?q=Nilgiri%20biosphere%20reserve" title=" Nilgiri biosphere reserve"> Nilgiri biosphere reserve</a> </p> <a href="https://publications.waset.org/abstracts/110275/carbon-sequestration-and-carbon-stock-potential-of-major-forest-types-in-the-foot-hills-of-nilgiri-biosphere-reserve-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/110275.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">519</span> Impact Assessment of Tropical Cyclone Hudhud on Visakhapatnam, Andhra Pradesh</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vivek%20Ganesh">Vivek Ganesh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tropical cyclones are some of the most damaging events. They occur in yearly cycles and affect the coastal population with three dangerous effects: heavy rain, strong wind and storm surge. In order to estimate the area and the population affected by a cyclone, all the three types of physical impacts must be taken into account. Storm surge is an abnormal rise of water above the astronomical tides, generated by strong winds and drop in the atmospheric pressure. The main aim of the study is to identify the impact by comparing three different months data. The technique used here is NDVI classification technique for change detection and other techniques like storm surge modelling for finding the tide height. Current study emphasize on recent very severe cyclonic storm Hud Hud of category 3 hurricane which had developed on 8 October 2014 and hit the coast on 12 October 2014 which caused significant changes on land and coast of Visakhapatnam, Andhra Pradesh. In the present study, we have used Remote Sensing and GIS tools for investigating and quantifying the changes in vegetation and settlement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=inundation%20map" title="inundation map">inundation map</a>, <a href="https://publications.waset.org/abstracts/search?q=NDVI%20map" title=" NDVI map"> NDVI map</a>, <a href="https://publications.waset.org/abstracts/search?q=storm%20tide%20map" title=" storm tide map"> storm tide map</a>, <a href="https://publications.waset.org/abstracts/search?q=track%20map" title=" track map"> track map</a> </p> <a href="https://publications.waset.org/abstracts/33375/impact-assessment-of-tropical-cyclone-hudhud-on-visakhapatnam-andhra-pradesh" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33375.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">268</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">518</span> Evaluation of Solid-Gas Separation Efficiency in Natural Gas Cyclones</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=W.%20I.%20Mazyan">W. I. Mazyan</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Ahmadi"> A. Ahmadi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hoorfar"> M. Hoorfar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives/Scope: This paper proposes a mathematical model for calculating the solid-gas separation efficiency in cyclones. This model provides better agreement with experimental results compared to existing mathematical models. Methods: The separation ratio efficiency, ϵsp, is evaluated by calculating the outlet to inlet count ratio. Similar to mathematical derivations in the literature, the inlet and outlet particle count were evaluated based on Eulerian approach. The model also includes the external forces acting on the particle (i.e., centrifugal and drag forces). In addition, the proposed model evaluates the exact length that the particle travels inside the cyclone for the evaluation of number of turns inside the cyclone. The separation efficiency model derivation using Stoke’s law considers the effect of the inlet tangential velocity on the separation performance. In cyclones, the inlet velocity is a very important factor in determining the performance of the cyclone separation. Therefore, the proposed model provides accurate estimation of actual cyclone separation efficiency. Results/Observations/Conclusion: The separation ratio efficiency, ϵsp, is studied to evaluate the performance of the cyclone for particles ranging from 1 microns to 10 microns. The proposed model is compared with the results in the literature. It is shown that the proposed mathematical model indicates an error of 7% between its efficiency and the efficiency obtained from the experimental results for 1 micron particles. At the same time, the proposed model gives the user the flexibility to analyze the separation efficiency at different inlet velocities. Additive Information: The proposed model determines the separation efficiency accurately and could also be used to optimize the separation efficiency of cyclones at low cost through trial and error testing, through dimensional changes to enhance separation and through increasing the particle centrifugal forces. Ultimately, the proposed model provides a powerful tool to optimize and enhance existing cyclones at low cost. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cyclone%20efficiency" title="cyclone efficiency">cyclone efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=solid-gas%20separation" title=" solid-gas separation"> solid-gas separation</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20model" title=" mathematical model"> mathematical model</a>, <a href="https://publications.waset.org/abstracts/search?q=models%20error%20comparison" title=" models error comparison"> models error comparison</a> </p> <a href="https://publications.waset.org/abstracts/37244/evaluation-of-solid-gas-separation-efficiency-in-natural-gas-cyclones" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37244.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">392</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">517</span> Effects of Convective Momentum Transport on the Cyclones Intensity: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20Davi%20Oliveira%20De%20Moura">José Davi Oliveira De Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Chou%20Sin%20Chan"> Chou Sin Chan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the effect of convective momentum transport (CMT) on the life of cyclone systems and their organization is analyzed. A case of strong precipitation, in the southeast of Brazil, was simulated using Eta model with two kinds of convective parameterization: Kain-Fritsch without CMT and Kain-fritsch with CMT. Reanalysis data from CFSR were used to compare Eta model simulations. The Wind, mean sea level pressure, rain and temperature are included in analysis. The rain was evaluated by Equitable Threat Score (ETS) and Bias Index; the simulations were compared among themselves to detect the influence of CMT displacement on the systems. The result shows that CMT process decreases the intensity of meso cyclones (higher pressure values on nuclei) and change the positions and production of rain. The decrease of intensity in meso cyclones should be caused by the dissolution of momentum from lower levels from up levels. The rain production and rain distribution were altered because the displacement of the larger systems scales was changed. In addition, the inclusion of CMT process is very important to improve the simulation of life time of meteorological systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=convection" title="convection">convection</a>, <a href="https://publications.waset.org/abstracts/search?q=Kain-Fritsch" title=" Kain-Fritsch"> Kain-Fritsch</a>, <a href="https://publications.waset.org/abstracts/search?q=momentum" title=" momentum"> momentum</a>, <a href="https://publications.waset.org/abstracts/search?q=parameterization" title=" parameterization"> parameterization</a> </p> <a href="https://publications.waset.org/abstracts/63535/effects-of-convective-momentum-transport-on-the-cyclones-intensity-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63535.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">325</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">516</span> Identifying the Strength of Cyclones and Earthquakes Requiring Military Disaster Response</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chad%20A.%20Long">Chad A. Long</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The United States military is now commonly responding to complex humanitarian emergencies and natural disasters around the world. From catastrophic earthquakes in Haiti to typhoons devastating the Philippines, U.S. military assistance is requested when the event exceeds the local government's ability to assist the population. This study assesses the characteristics of catastrophes that surpass a nation’s individual ability to respond and recover from the event. The paper begins with a historical summary of military aid and then analyzes over 40 years of the United States military humanitarian response. Over 300 military operations were reviewed and coded based on the nature of the disaster. This in-depth study reviewed the U.S. military’s deployment events for cyclones and earthquakes to determine the strength of the natural disaster requiring external assistance. The climatological data for cyclone landfall and magnitude data for earthquake epicenters were identified, grouped into regions and analyzed for time-based trends. The results showed that foreign countries will likely request the U.S. military for cyclones with speeds greater or equal to 125 miles an hour and earthquakes at the magnitude of 7.4 or higher. These results of this study will assist the geographic combatant commands in determining future military response requirements. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=military" title="military">military</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20disasters" title=" natural disasters"> natural disasters</a>, <a href="https://publications.waset.org/abstracts/search?q=earthquakes" title=" earthquakes"> earthquakes</a>, <a href="https://publications.waset.org/abstracts/search?q=cyclone" title=" cyclone"> cyclone</a> </p> <a href="https://publications.waset.org/abstracts/112557/identifying-the-strength-of-cyclones-and-earthquakes-requiring-military-disaster-response" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112557.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">120</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">515</span> A Review of Common Tropical Culture Trees</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Victoria%20Tobi%20Dada">Victoria Tobi Dada</a>, <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20Dada"> Emmanuel Dada</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Culture trees are notable agricultural system in the tropical region of the world because of its great contribution to the economy of this region. Plantation agriculture such as oil palm, cocoa, cashew and rubber are the dominant agricultural trees in the tropical countries with the at least mean annual rainfall of 1500mm and 280c temperature. The study examines the review developmental trend in the common tropical culture trees. The study shows that global area of land occupied by rubber plantation increased from 9464276 hectares to 11739333 hectares between year 2010 and 2017, while oil palm cultivated land area increased from 1851278 in 2010 hectares to 2042718 hectares in 2013 across 35 countries. Global cashew plantation cultivation are dominated by West Africa with 44.8%, South-Eastern Asia with 32.9% and Sothern Asia with 13.8%, while the remaining 8.5% of the cultivated land area were distributed among six other tropical countries of the world. Cocoa cultivation and production globally are dominated by five West African countries, Indonesia and Brazil. The study revealed that notable tropical culture trees have not study together to determine their spatial distribution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=culture%20trees" title="culture trees">culture trees</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20region" title=" tropical region"> tropical region</a>, <a href="https://publications.waset.org/abstracts/search?q=cultivated%20area" title=" cultivated area"> cultivated area</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20distribution" title=" spatial distribution"> spatial distribution</a> </p> <a href="https://publications.waset.org/abstracts/173674/a-review-of-common-tropical-culture-trees" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173674.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">102</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">514</span> Challenges of eradicating neglected tropical diseases</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marziye%20Hadian">Marziye Hadian</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Jabbari"> Alireza Jabbari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Each year, tropical diseases affect large numbers of tropical or subtropical populations and give rise to irreparable financial and human damage. Among these diseases, some are known as Neglected Tropical Disease (NTD) that may cause unusual dangers; however, they have not been appropriately accounted for. Taking into account the priority of eradication of the disease, this study explored the causes of failure to eradicate neglected tropical diseases. Method: This study was a systematized review that was conducted in January 2021 on the articles related to neglected tropical diseases on databases of Web of Science, PubMed, Scopus, Science Direct, Ovid, Pro-Quest, and Google Scholar. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines as well as Critical Appraisal Skills Program (CASP) for articles and AACODS (Authority, Accuracy, Coverage, Objectivity, Date, Significance) for grey literature (provides five criteria for judging the quality of grey information) were integrated. Finding: The challenges in controlling and eradicating neglected tropical diseases in four general themes are as follows: shortcomings in disease management policies and programs, environmental challenges, executive challenges in policy disease and research field and 36 sub-themes. Conclusion: To achieve the goals of eradicating forgotten tropical diseases, it seems indispensable to free up financial, human and research resources, proper management of health infrastructure, attention to migrants and refugees, clear targeting, prioritization appropriate to local conditions and special attention to political and social developments. Reducing the number of diseases should free up resources for the management of neglected tropical diseases prone to epidemics as dengue, chikungunya and leishmaniasis. For the purpose of global support, targeting should be accurate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=neglected%20tropical%20disease" title="neglected tropical disease">neglected tropical disease</a>, <a href="https://publications.waset.org/abstracts/search?q=NTD" title=" NTD"> NTD</a>, <a href="https://publications.waset.org/abstracts/search?q=preventive" title=" preventive"> preventive</a>, <a href="https://publications.waset.org/abstracts/search?q=eradication" title=" eradication"> eradication</a> </p> <a href="https://publications.waset.org/abstracts/134481/challenges-of-eradicating-neglected-tropical-diseases" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134481.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">131</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">513</span> Behavior of Helical Piles as Foundation of Photovoltaic Panels in Tropical Soils</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andrea%20J.%20Alarc%C3%B3n">Andrea J. Alarcón</a>, <a href="https://publications.waset.org/abstracts/search?q=Maxime%20Daulat"> Maxime Daulat</a>, <a href="https://publications.waset.org/abstracts/search?q=Raydel%20Lorenzo"> Raydel Lorenzo</a>, <a href="https://publications.waset.org/abstracts/search?q=Renato%20P.%20Da%20Cunha"> Renato P. Da Cunha</a>, <a href="https://publications.waset.org/abstracts/search?q=Pierre%20Breul"> Pierre Breul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brazil has increased the use of renewable energy during the last years. Due to its sunshine and large surface area, photovoltaic panels founded in helical piles have been used to produce solar energy. Since Brazilian territory is mainly cover by highly porous structured tropical soils, when the helical piles are installed this structure is broken and its soil properties are modified. Considering the special characteristics of these soils, helical foundations behavior must be extensively studied. The first objective of this work is to determine the most suitable method to estimate the tensile capacity of helical piles in tropical soils. The second objective is to simulate the behavior of these piles in tropical soil. To obtain the rupture to assess load-displacement curves and the ultimate load, also a numerical modelling using Plaxis software was conducted. Lastly, the ultimate load and the load-displacements curves are compared with experimental values to validate the implemented model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finite%20element" title="finite element">finite element</a>, <a href="https://publications.waset.org/abstracts/search?q=helical%20piles" title=" helical piles"> helical piles</a>, <a href="https://publications.waset.org/abstracts/search?q=modelling" title=" modelling"> modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20soil" title=" tropical soil"> tropical soil</a>, <a href="https://publications.waset.org/abstracts/search?q=uplift%20capacity" title=" uplift capacity"> uplift capacity</a> </p> <a href="https://publications.waset.org/abstracts/123444/behavior-of-helical-piles-as-foundation-of-photovoltaic-panels-in-tropical-soils" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123444.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">173</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">512</span> Physical Planning Trajectories for Disaster Mitigation and Preparedness in Costal and Seismic Regions: Capital Region of Andhra Pradesh, Vijayawada in India </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Timma%20Reddy">Timma Reddy</a>, <a href="https://publications.waset.org/abstracts/search?q=Srikonda%20Ramesh"> Srikonda Ramesh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> India has been traditionally vulnerable to natural disasters such as Floods, droughts, cyclones, earthquakes and landslides. It has become a recurrent phenomenon as observed in last five decades. The survey indicates that about 60% of the landmass is prone to earthquakes of various intensities; over 40 million hectares is prone to floods; about 8% of the total area is prone to cyclones and 68% of the area is susceptible to drought. Climate change is likely to be perceived through experience of extreme weather events. There is growing societal concern about climate change, given the potential impacts of associated natural hazards such as cyclones, flooding, earthquakes, landslides etc, hence it is essential and crucial to strengthening our settlements to respond to such calamities. So, the research paper focus is to analyze the effective planning strategy/mechanism to integrate disaster mitigation measures in coastal regions in general and Capital Region of Andhra Pradesh in particular. The basic hypothesis is to govern the appropriate special planning considerations would facilitate to have organized way of protective life and properties from natural disasters. And further to integrate the infrastructure planning with conscious direction would provide an effective mitigations measures. It has been planned and analyzed to Vijayawada city with conscious land use planning with reference to space syntax trajectory in accordance to required social infrastructure such as health facilities, institution areas and recreational and other open spaces. It has been identified that the geographically ideal location with reference to the population densities based on GIS tools the properness strategies can be effectively integrated to protect the life and to save the properties by means of reducing the damage/impact of natural disasters in general earth quake/cyclones or floods in particularly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modular" title="modular">modular</a>, <a href="https://publications.waset.org/abstracts/search?q=trajectories" title=" trajectories"> trajectories</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20infrastructure" title=" social infrastructure"> social infrastructure</a>, <a href="https://publications.waset.org/abstracts/search?q=evidence%20based%20syntax" title=" evidence based syntax"> evidence based syntax</a>, <a href="https://publications.waset.org/abstracts/search?q=drills%20and%20equipments" title=" drills and equipments"> drills and equipments</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=geographical%20micro%20zoning" title=" geographical micro zoning"> geographical micro zoning</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20resolution%20satellite%20image" title=" high resolution satellite image"> high resolution satellite image</a> </p> <a href="https://publications.waset.org/abstracts/44960/physical-planning-trajectories-for-disaster-mitigation-and-preparedness-in-costal-and-seismic-regions-capital-region-of-andhra-pradesh-vijayawada-in-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44960.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">219</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">511</span> Discovering Traditional Plants Used by Indigenous People in the Tropical Rainforest of Malaysia for the Treatment of Malaria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Izdihar%20Ismail">Izdihar Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=Alona%20C.%20Linatoc"> Alona C. Linatoc</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryati%20Mohamed"> Maryati Mohamed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The tropical rainforest of Malaysia is known for its rich biological diversity and high endemicity. The potential for these forests to hold the cure for many diseases and illnesses is high and much is yet to be discovered. This study explores the richness of the tropical rainforest of Endau-Rompin National Park in Johor, Malaysia in search of plants traditionally used by the indigenous people in the treatment of malaria and malaria-like symptoms. Seven species of plants were evaluated and tested for antiplasmodial activities. Different plant parts were subjected to methanolic and aqueous extractions. A total of 24 extracts were evaluated by histidine-rich protein II (HRP2) assay against K1 strain of Plasmodium falciparum chloroquine-resistant. Ten extracts showed significant inhibition of the growth of P. falciparum. Phytochemical screening of the same extracts revealed the presence of alkaloids, flavonoids, terpenoids and anthraquinones. This study affirms that tropical rainforests may still hold undiscovered cures for many diseases and illnesses that have inflicted millions of people worldwide. The species studied herein have not known to have been studied elsewhere before. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Endau-Rompin" title="Endau-Rompin">Endau-Rompin</a>, <a href="https://publications.waset.org/abstracts/search?q=malaria" title=" malaria"> malaria</a>, <a href="https://publications.waset.org/abstracts/search?q=Malaysia" title=" Malaysia"> Malaysia</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20rainforest" title=" tropical rainforest"> tropical rainforest</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20knowledge" title=" traditional knowledge"> traditional knowledge</a> </p> <a href="https://publications.waset.org/abstracts/63935/discovering-traditional-plants-used-by-indigenous-people-in-the-tropical-rainforest-of-malaysia-for-the-treatment-of-malaria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63935.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">272</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">510</span> Performance of Nine Different Types of PV Modules in the Tropical Region</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jiang%20Fan">Jiang Fan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With growth of PV market in tropical region, it is necessary to investigate the performance of different types of PV technology under the tropical weather conditions. Singapore Polytechnic was funded by Economic Development Board (EDB) to set up a solar PV test-bed for the research on performance of different types of PV modules in the country. The PV test-bed installed the nine different types of PV systems that are integrated to power utility grid for monitoring and analyzing their operating performances. This paper presents the 12 months operational data of nine different PV systems and analyses on performances of installed PV systems using energy yield and performance ratio. The nine types of PV systems under test have shown their energy yields ranging from 2.67 to 3.36 kWh/kWp and their performance ratios (PRs) ranging from 70% to 88%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=monocrystalline" title="monocrystalline">monocrystalline</a>, <a href="https://publications.waset.org/abstracts/search?q=multicrystalline" title=" multicrystalline"> multicrystalline</a>, <a href="https://publications.waset.org/abstracts/search?q=amorphous%20silicon" title=" amorphous silicon"> amorphous silicon</a>, <a href="https://publications.waset.org/abstracts/search?q=cadmium%20telluride" title=" cadmium telluride"> cadmium telluride</a>, <a href="https://publications.waset.org/abstracts/search?q=thin%20film%20PV" title=" thin film PV"> thin film PV</a> </p> <a href="https://publications.waset.org/abstracts/9356/performance-of-nine-different-types-of-pv-modules-in-the-tropical-region" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9356.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">506</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">509</span> Physical Planning Strategies for Disaster Mitigation and Preparedness in Coastal Region of Andhra Pradesh, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thimma%20Reddy%20Pothireddy">Thimma Reddy Pothireddy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramesh%20Srikonda"> Ramesh Srikonda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> India is prone to natural disasters such as Floods, droughts, cyclones, earthquakes and landslides frequently due to its geographical considerations. It has become a persistent phenomenon as observed in last ten decades. The recent survey indicates that about 60% of the landmass is prone to earthquakes of various intensities with reference to Richard scale, over 40 million hectares is prone to floods; about 8% of the total area is prone to cyclones and 68% of the area is vulnerable to drought. Climate change is likely to be perceived through the experience of extreme weather events. There is growing societal concern about climate change, given the potential impacts of associated natural hazards such as cyclones, flooding, earthquakes, landslides etc. The recent natural calamities such as Cyclone Hudhud had crossed the land at Northern cost of AP, Vishakapatanam on 12 Oct’2014 with a wind speed ranging between 175 – 200 kmph and the records show that the tidal waves were reached to the height of 14mts and above; and it alarms us to have critical focus on planning issues so as to find appropriate solutions. The existing condition is effective is in terms of institutional set up along with responsive management mechanism of disaster mitigation but considerations at settlement planning level to allow mitigation operations are not adequate. This paper deals to understand the response to climate change will possibly happen through adaptation to climate hazards and essential to work out an appropriate mechanism and disaster receptive settlement planning for responding to natural (and climate-related) calamities particularly to cyclones and floods. The statistics indicate that 40 million hectares flood prone (5% of area), and 1853 kmts of cyclone prone coastal length in India so it is essential and crucial to have appropriate physical planning considerations to improve preparedness and to operate mitigation measures effectively to minimize the loss and damage. Vijayawada capital region which is susceptible to cyclonic and floods has been studied with respect to trajectory analysis to work out risk vulnerability and to integrated disaster mitigation physical planning considerations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=meta%20analysis" title="meta analysis">meta analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=vulnerability%20index" title=" vulnerability index"> vulnerability index</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20planning" title=" physical planning"> physical planning</a>, <a href="https://publications.waset.org/abstracts/search?q=trajectories" title=" trajectories"> trajectories</a> </p> <a href="https://publications.waset.org/abstracts/60944/physical-planning-strategies-for-disaster-mitigation-and-preparedness-in-coastal-region-of-andhra-pradesh-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60944.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">249</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">508</span> A Framework for Early Differential Diagnosis of Tropical Confusable Diseases Using the Fuzzy Cognitive Map Engine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Faith-Michael%20E.%20Uzoka">Faith-Michael E. Uzoka</a>, <a href="https://publications.waset.org/abstracts/search?q=Boluwaji%20A.%20Akinnuwesi"> Boluwaji A. Akinnuwesi</a>, <a href="https://publications.waset.org/abstracts/search?q=Taiwo%20Amoo"> Taiwo Amoo</a>, <a href="https://publications.waset.org/abstracts/search?q=Flora%20Aladi"> Flora Aladi</a>, <a href="https://publications.waset.org/abstracts/search?q=Stephen%20Fashoto"> Stephen Fashoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Moses%20Olaniyan"> Moses Olaniyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Osuji"> Joseph Osuji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The overarching aim of this study is to develop a soft-computing system for the differential diagnosis of tropical diseases. These conditions are of concern to health bodies, physicians, and the community at large because of their mortality rates, and difficulties in early diagnosis due to the fact that they present with symptoms that overlap, and thus become ‘confusable’. We report on the first phase of our study, which focuses on the development of a fuzzy cognitive map model for early differential diagnosis of tropical diseases. We used malaria as a case disease to show the effectiveness of the FCM technology as an aid to the medical practitioner in the diagnosis of tropical diseases. Our model takes cognizance of manifested symptoms and other non-clinical factors that could contribute to symptoms manifestations. Our model showed 85% accuracy in diagnosis, as against the physicians’ initial hypothesis, which stood at 55% accuracy. It is expected that the next stage of our study will provide a multi-disease, multi-symptom model that also improves efficiency by utilizing a decision support filter that works on an algorithm, which mimics the physician’s diagnosis process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=medical%20diagnosis" title="medical diagnosis">medical diagnosis</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20diseases" title=" tropical diseases"> tropical diseases</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20cognitive%20map" title=" fuzzy cognitive map"> fuzzy cognitive map</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20support%20filters" title=" decision support filters"> decision support filters</a>, <a href="https://publications.waset.org/abstracts/search?q=malaria%20differential%20diagnosis" title=" malaria differential diagnosis"> malaria differential diagnosis</a> </p> <a href="https://publications.waset.org/abstracts/44807/a-framework-for-early-differential-diagnosis-of-tropical-confusable-diseases-using-the-fuzzy-cognitive-map-engine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44807.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">319</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">507</span> Solar Energy: The Alternative Electric Power Resource in Tropical Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Okorowo%20Cyril%20Agochi">Okorowo Cyril Agochi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> More than ever human activity relating to uncontrolled greenhouse gas (GHG) and its effects on the earth is gaining greater attention in the global academic and policy discussions. Activities of man has greatly influenced climate change over the years as a result of consistent increase in the use of fossil fuel energy. Scientists and researchers globally are making significant and devoted efforts towards the development and implementation of renewable energy technologies that are harmless to the environment. One of such energy is solar energy with its source from the sun. There are currently two primary ways of harvesting this energy from the sun: through photovoltaic (PV) panels and through thermal collectors. This work discuses solar energy the abundant renewable energy in the tropical Nigeria, processes of harvesting and recommends same as an alternative means of electric power generation in a time the demand for power supersedes supply. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electric" title="electric">electric</a>, <a href="https://publications.waset.org/abstracts/search?q=power" title=" power"> power</a>, <a href="https://publications.waset.org/abstracts/search?q=renewable%20energy" title=" renewable energy"> renewable energy</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20energy" title=" solar energy"> solar energy</a>, <a href="https://publications.waset.org/abstracts/search?q=sun" title=" sun"> sun</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical" title=" tropical"> tropical</a> </p> <a href="https://publications.waset.org/abstracts/15793/solar-energy-the-alternative-electric-power-resource-in-tropical-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15793.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">543</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">506</span> Monitoring the Phenomenon of Black Sand in Hurghada’s Artificial Lakes from Sources of Groundwater and Removal Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20M.%20Noureldin">Ahmed M. Noureldin</a>, <a href="https://publications.waset.org/abstracts/search?q=Khaled%20M.%20Naguib"> Khaled M. Naguib</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This experimental investigation tries to identify the root cause of the black sand issue in one of the man-made lakes in a well-known Hurghada resort. The lake is nourished by the underground wells' source, which continuously empties into the Red Sea. Chemical testing was done by looking at spots of stinky black sand beneath the sandy lake surface. The findings on samples taken from several locations (wells, lake bottom sand samples, and clean sand with exact specifications as bottom sand) indicated the existence of organic sulfur bacteria that are responsible for the phenomena of black sand. Approximately 39.139 mg/kg of sulfide in the form of hydrogen sulfide was present in the lake bottom sand, while 1.145 mg/kg, before usage, was in the bare sand. The study also involved modeling with the GPS-X program for cleaning bottom sand that uses hydro cyclones as a physical-mechanical treatment method. The modeling findings indicated a Total Organic Carbon (TOC) removal effectiveness of 0.65%. The research recommended using hydro cyclones to routinely mechanically clear the sand from lake bottoms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=man-made%20lakes" title="man-made lakes">man-made lakes</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20sulfur%20bacteria" title=" organic sulfur bacteria"> organic sulfur bacteria</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20organic%20carbon" title=" total organic carbon"> total organic carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=hydro%20cyclone" title=" hydro cyclone"> hydro cyclone</a> </p> <a href="https://publications.waset.org/abstracts/168279/monitoring-the-phenomenon-of-black-sand-in-hurghadas-artificial-lakes-from-sources-of-groundwater-and-removal-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168279.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">71</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">505</span> Bioinformatic Screening of Metagenomic Fosmid Libraries for Identification of Biosynthetic Pathways Derived from the Colombian Soils</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mar%C3%ADa%20Fernanda%20Quiceno%20Vallejo">María Fernanda Quiceno Vallejo</a>, <a href="https://publications.waset.org/abstracts/search?q=Patricia%20del%20Portillo"> Patricia del Portillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Mar%C3%ADa%20Mercedes%20Zambrano"> María Mercedes Zambrano</a>, <a href="https://publications.waset.org/abstracts/search?q=Jeisson%20Alejandro%20Triana"> Jeisson Alejandro Triana</a>, <a href="https://publications.waset.org/abstracts/search?q=Dayana%20Calderon"> Dayana Calderon</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Manuel%20Anzola"> Juan Manuel Anzola</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microorganisms from tropical ecosystems can be novel in terms of adaptations and conservation. Given the macrodiversity of Colombian ecosystems, it is possible that this diversity is also present in Colombian soils. Tropical soil bacteria could offer a potentially novel source of bioactive compounds. In this study we analyzed a metagenomic fosmid library constructed with tropical bacterial DNAs with the aim of understanding its underlying diversity and functional potential. 8640 clones from the fosmid library were sequenced by NANOPORE MiniOn technology, then analyzed with bioinformatic tools such as Prokka, AntiSMASH and Bagel4 in order to identify functional biosynthetic pathways in the sequences. The strains showed ample difference when it comes to biosynthetic pathways. In total we identified 4 pathways related to aryl polyene synthesis, 12 related to terpenes, 22 related to NRPs (Non ribosomal peptides), 11 related PKs (Polyketide synthases) and 7 related to RiPPs (bacteriocins). We designed primers for the metagenomic clones with the most BGCs (sample 6 and sample 2). Results show the biotechnological / pharmacological potential of tropical ecosystems. Overall, this work provides an overview of the genomic and functional potential of Colombian soil and sets the groundwork for additional exploration of tropical metagenomic sequencing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioactives" title="bioactives">bioactives</a>, <a href="https://publications.waset.org/abstracts/search?q=biosyntethic%20pathways" title=" biosyntethic pathways"> biosyntethic pathways</a>, <a href="https://publications.waset.org/abstracts/search?q=bioinformatic" title=" bioinformatic"> bioinformatic</a>, <a href="https://publications.waset.org/abstracts/search?q=bacterial%20gene%20clusters" title=" bacterial gene clusters"> bacterial gene clusters</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20metabolites" title=" secondary metabolites"> secondary metabolites</a> </p> <a href="https://publications.waset.org/abstracts/144224/bioinformatic-screening-of-metagenomic-fosmid-libraries-for-identification-of-biosynthetic-pathways-derived-from-the-colombian-soils" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144224.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">165</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">504</span> Integrated Passive Cooling Systems for Tropical Residential Buildings: A Review through the Lens of Latent Heat Assessment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=O.%20Eso">O. Eso</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mohammadi"> M. Mohammadi</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Darkwa"> J. Darkwa</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Calautit"> J. Calautit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Residential buildings are responsible for 22% of the global end-use energy demand and 17% of global CO₂ emissions. Tropical climates particularly present higher latent heat gains, leading to more cooling loads. However, the cooling processes are all based on conventional mechanical air conditioning systems which are energy and carbon intensive technologies. Passive cooling systems have in the past been considered as alternative technologies for minimizing energy consumption in buildings. Nevertheless, replacing mechanical cooling systems with passive ones will require a careful assessment of the passive cooling system heat transfer to determine if suitable to outperform their conventional counterparts. This is because internal heat gains, indoor-outdoor heat transfer, and heat transfer through envelope affects the performance of passive cooling systems. While many studies have investigated sensible heat transfer in passive cooling systems, not many studies have focused on their latent heat transfer capabilities. Furthermore, combining heat prevention, heat modulation and heat dissipation to passively cool indoor spaces in the tropical climates is critical to achieve thermal comfort. Since passive cooling systems use only one of these three approaches at a time, integrating more than one passive cooling system for effective indoor latent heat removal while still saving energy is studied. This study is a systematic review of recently published peer review journals on integrated passive cooling systems for tropical residential buildings. The missing links in the experimental and numerical studies with regards to latent heat reduction interventions are presented. Energy simulation studies of integrated passive cooling systems in tropical residential buildings are also discussed. The review has shown that comfortable indoor environment is attainable when two or more passive cooling systems are integrated in tropical residential buildings. Improvement occurs in the heat transfer rate and cooling performance of the passive cooling systems when thermal energy storage systems like phase change materials are included. Integrating passive cooling systems in tropical residential buildings can reduce energy consumption by 6-87% while achieving up to 17.55% reduction in indoor heat flux. The review has highlighted a lack of numerical studies regarding passive cooling system performance in tropical savannah climates. In addition, detailed studies are required to establish suitable latent heat transfer rate in passive cooling ventilation devices under this climate category. This should be considered in subsequent studies. The conclusions and outcomes of this study will help researchers understand the overall energy performance of integrated passive cooling systems in tropical climates and help them identify and design suitable climate specific options for residential buildings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20savings" title="energy savings">energy savings</a>, <a href="https://publications.waset.org/abstracts/search?q=latent%20heat" title=" latent heat"> latent heat</a>, <a href="https://publications.waset.org/abstracts/search?q=passive%20cooling%20systems" title=" passive cooling systems"> passive cooling systems</a>, <a href="https://publications.waset.org/abstracts/search?q=residential%20buildings" title=" residential buildings"> residential buildings</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20residential%20buildings" title=" tropical residential buildings"> tropical residential buildings</a> </p> <a href="https://publications.waset.org/abstracts/137580/integrated-passive-cooling-systems-for-tropical-residential-buildings-a-review-through-the-lens-of-latent-heat-assessment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137580.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">149</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">503</span> “Multi-Sonic Timbre” of the Biula: The Integral Role of of Tropical Tonewood in Bajau Sama Dilaut Bowed Lute Acoustics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wong%20Siew%20Ngan">Wong Siew Ngan</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee%20Chie%20Tsang"> Lee Chie Tsang</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee%20See%20Ling"> Lee See Ling</a>, <a href="https://publications.waset.org/abstracts/search?q=Lim%20Ho%20Yi"> Lim Ho Yi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The selection of Tonewood is critical in defining tonal and acoustic qualities of string instruments, yet limited research exists on indigenous instruments utilizing tropical woods. This gap is addressed by analyzing the "multi-sonic timbre" of the Biula (Bajau Sama Dilaut), crafted by rainforest indigenous communities using locally accessible tropical species such as jackfruit and coconut, whose distinctive grain patterns, density, and moisture content, significantly contribute to the instrument’s rich harmonic spectrum and dynamic range. Unlike Western violins that utilize temperate woods like Maple and Spruce, the Biula's sound is shaped by the unique acoustic properties of these tropical tonewoods. To further investigate the impact of tropical tonewoods on the biula’s acoustics, frequency response tests were conducted on instruments constructed from various local species using SPEAR (Sinusoidal Partial Editing Analysis and Resynthesis) software for spectral analysis, measurements were taken of resonance frequencies, harmonic content, and sound decay rates. These analyses reveal that jackfruit wood produces warmer tones with enhanced lower frequencies, while coconut wood contributes to brighter timbres with pronounced higher harmonics. Building upon these findings, the materials and construction methods of biula bows were also examined. The study found that the variations in tropical hardwoods and locally sourced bow hair significantly influence the instrument's responsiveness and articulation, shaping its distinctive 'multi-sonic timbre.' These findings deepen the understanding of indigenous instrument acoustics, offering valuable insights for modern luthiers interested in tropical tonewoods. By documenting traditional crafting techniques, this research supports the preservation of cultural heritage and promotes appreciation of indigenous craftsmanship. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multi-sonic%20timbre" title="multi-sonic timbre">multi-sonic timbre</a>, <a href="https://publications.waset.org/abstracts/search?q=biula%20%28bajau%20sama%20dilaut%20bowed%20lute%29" title=" biula (bajau sama dilaut bowed lute)"> biula (bajau sama dilaut bowed lute)</a>, <a href="https://publications.waset.org/abstracts/search?q=tropical%20tonewoods" title=" tropical tonewoods"> tropical tonewoods</a>, <a href="https://publications.waset.org/abstracts/search?q=spectral%20analysis" title=" spectral analysis"> spectral analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=indigenous%20instrument%20acoustics" title=" indigenous instrument acoustics"> indigenous instrument acoustics</a> </p> <a href="https://publications.waset.org/abstracts/193152/multi-sonic-timbre-of-the-biula-the-integral-role-of-of-tropical-tonewood-in-bajau-sama-dilaut-bowed-lute-acoustics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193152.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">8</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tropical%20cyclones&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=tropical%20cyclones&page=3">3</a></li> <li class="page-item"><a class="page-link" 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