Search results for: Kristyna Hrabova

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Hrabova</title> <meta name="description" content="Search results for: Kristyna Hrabova"> <meta name="keywords" content="Kristyna Hrabova"> <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="Kristyna Hrabova"> <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> 4</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Kristyna Hrabova</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> Concrete Mixes for Sustainability</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kristyna%20Hrabova">Kristyna Hrabova</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabina%20H%C3%BCblova"> Sabina Hüblova</a>, <a href="https://publications.waset.org/abstracts/search?q=Tomas%20Vymazal"> Tomas Vymazal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Structural design of concrete structure has the result in qualities of structural safety and serviceability, together with durability, robustness, sustainability and resilience. A sustainable approach is at the heart of the research agenda around the world, and the Fibrillation Commission is also working on a new model code 2020. Now it is clear that the effects of mechanical, environmental load and even social coherence need to be reflected and included in the designing and evaluating structures. This study aimed to present the methodology for the sustainability assessment of various concrete mixtures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete" title="concrete">concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=cement" title=" cement"> cement</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=Model%20Code%202020" title=" Model Code 2020"> Model Code 2020</a> </p> <a href="https://publications.waset.org/abstracts/124008/concrete-mixes-for-sustainability" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/124008.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">178</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">3</span> Defectoscopy of Reinforced Concrete Structures with Using an Ultrasonic Method for Failure Monitoring</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sabina%20%20Hublova">Sabina Hublova</a>, <a href="https://publications.waset.org/abstracts/search?q=Kristyna%20Hrabova"> Kristyna Hrabova</a>, <a href="https://publications.waset.org/abstracts/search?q=Petr%20Cikrle"> Petr Cikrle</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sustainable development and preservation of existing buildings are becoming increasingly important worldwide. In order to reduce the amount of CO2 emissions in the air and to reduce the amount of waste from building structures, we can predict an increasing demand for maintenance of some existing buildings in the future. The use of modern diagnostic methods, which allow detailed determination of the properties of structures, the identification of critical points, could be the great importance for the better assessment of existing structures. Non-destructive methods could be one of the options. From these methods, ultrasonic appears to be a highly perspective method, thanks to which we are able to identify critical points of an element or a structure. The experiment will focus on the use of electroacoustic methods for defectoscopy in reinforced concrete columns. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sustainability" title="sustainability">sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=defectoscopy" title=" defectoscopy"> defectoscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20method" title=" ultrasonic method"> ultrasonic method</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive%20methods" title=" non-destructive methods"> non-destructive methods</a>, <a href="https://publications.waset.org/abstracts/search?q=electroacoustic%20methods" title=" electroacoustic methods"> electroacoustic methods</a> </p> <a href="https://publications.waset.org/abstracts/124018/defectoscopy-of-reinforced-concrete-structures-with-using-an-ultrasonic-method-for-failure-monitoring" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/124018.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">168</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">2</span> Methods of Post-Mining Landscape Reclamation and Their Impact on Occurrence Hymenoptera: Aculeata and Lepidoptera</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Krist%C3%BDna%20Weissov%C3%A1">Kristýna Weissová</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is focused on two selected model taxa of invertebrates - Hymenoptera: Aculeata and Lepidopterawithnocturnalactivity, recordedatthesitesof lignite dumps and their surroundings in the North Bohemian Lignite Basin, Czech Republic. There search was conducted on 10 landfills, 3 study areas were determined on each landfill - primary and secondary succession and recultivation. A total of 3,202 individuals belonging to 232 species and 17 families of sagebrushinsects were collected. died, 74%of the species occurred on the primary succes sionare as, that is 2x more species than on the reclaimed areas. Of the total number of species and on all areas, 60 rare species were recorded - 29 vulnerable, 21 endangered, 8 critically endangered, and 2 extinct The areas of primary succession were again confirmed to be the richest in terms of rare species, hosting 39 rare species of Hymenoptera: Aculeata. In addition, bothextinct species were represented only on plots of primary succession. The family Crabronidae had the largestre presentation of species on theareasofleft primary succession, the family Halictidae was the most represented on the reclaimed areas and areas of secondary succession. A total of 3,634 moths were collected, assigned to 262 species and 10 families. A similar number of species occurred on the primary succession and reclaimed areas, but the reclaimed area had a greater abundance. Secondary successionsiteshostedha lf as many species and alsocontainedlow abundance compared to other management types. The results show that there claimed areas host a numerically larger group and more species of moths than the successionalareas. Rare species did not occur at any site. A higher number of days in locations without water bodies, wetland vegetation, and locations with a highre presentation of woody species. It is advisable to combine individual types of landscape management in such a way as to create a colorfulmosaic that supports biodiversity. In particular, we recommend incorporating natural successionintoreclamation plans, which is a refuge for many rare species of invertebrates, which has not yetbeenroutinely and purposefully practiced. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hymenoptera%3A%20aculeata" title="hymenoptera: aculeata">hymenoptera: aculeata</a>, <a href="https://publications.waset.org/abstracts/search?q=lepidoptera" title=" lepidoptera"> lepidoptera</a>, <a href="https://publications.waset.org/abstracts/search?q=reclamation" title=" reclamation"> reclamation</a>, <a href="https://publications.waset.org/abstracts/search?q=succession" title=" succession"> succession</a>, <a href="https://publications.waset.org/abstracts/search?q=post-mining%20ara" title=" post-mining ara"> post-mining ara</a> </p> <a href="https://publications.waset.org/abstracts/157019/methods-of-post-mining-landscape-reclamation-and-their-impact-on-occurrence-hymenoptera-aculeata-and-lepidoptera" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157019.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">117</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">1</span> Spatiotemporal Changes in Drought Sensitivity Captured by Multiple Tree-Ring Parameters of Central European Conifers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kre%C5%A1imir%20Begovi%C4%87">Krešimir Begović</a>, <a href="https://publications.waset.org/abstracts/search?q=Milo%C5%A1%20Rydval"> Miloš Rydval</a>, <a href="https://publications.waset.org/abstracts/search?q=Jan%20Tumajer"> Jan Tumajer</a>, <a href="https://publications.waset.org/abstracts/search?q=Kristyna%20Svobodov%C3%A1"> Kristyna Svobodová</a>, <a href="https://publications.waset.org/abstracts/search?q=Thomas%20Langbehn"> Thomas Langbehn</a>, <a href="https://publications.waset.org/abstracts/search?q=Yumei%20Jiang"> Yumei Jiang</a>, <a href="https://publications.waset.org/abstracts/search?q=Vojtech%20%C4%8Cada"> Vojtech Čada</a>, <a href="https://publications.waset.org/abstracts/search?q=Vaclav%20Treml"> Vaclav Treml</a>, <a href="https://publications.waset.org/abstracts/search?q=Ryszard%20Kaczka"> Ryszard Kaczka</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslav%20Svoboda"> Miroslav Svoboda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Environmental changes have increased the frequency and intensity of climatic extremes, particularly hotter droughts, leading to altered tree growth patterns and multi-year lags in tree recovery. The effects of shifting climatic conditions on tree growth are inhomogeneous across species’ natural distribution ranges, with large spatial heterogeneity and inter-population variability, but generally have significant consequences for contemporary forest dynamics and future ecosystem functioning. Despite numerous studies on the impacts of regional drought effects, large uncertainties remain regarding the mechanistic basis of drought legacy effects on wood formation and the ability of individual species to cope with increasingly drier growing conditions and rising year-to-year climatic variability. To unravel the complexity of climate-growth interactions and assess species-specific responses to severe droughts, we combined forward modeling of tree growth (VS-lite model) with correlation analyses against climate (temperature, precipitation, and the SPEI-3 moisture index) and growth responses to extreme drought events from multiple tree-ring parameters (tree-width and blue intensity parameters). We used an extensive dataset with over 1000 tree-ring samples from 23 nature forest reserves across an altitudinal range in Czechia and Slovakia. Our results revealed substantial spatiotemporal variability in growth responses to summer season temperature and moisture availability across species and tree-ring parameters. However, a general trend of increasing spring moisture-growth sensitivity in recent decades was observed in the Scots pine mountain forests and lowland forests of both species. The VS-lite model effectively captured nonstationary climate-growth relationships and accurately estimated high-frequency growth variability, indicating a significant incidence of regional drought events and growth reductions. Notably, growth reductions during extreme drought years and discrete legacy effects identified in individual wood components were most pronounced in the lowland forests. Together with the observed growth declines in recent decades, these findings suggest an increasing vulnerability of Norway spruce and Scots pine in dry lowlands under intensifying climatic constraints. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dendroclimatology" title="dendroclimatology">dendroclimatology</a>, <a href="https://publications.waset.org/abstracts/search?q=Vaganova%E2%80%93Shashkin%20lite" title=" Vaganova–Shashkin lite"> Vaganova–Shashkin lite</a>, <a href="https://publications.waset.org/abstracts/search?q=conifers" title=" conifers"> conifers</a>, <a href="https://publications.waset.org/abstracts/search?q=central%20Europe" title=" central Europe"> central Europe</a>, <a href="https://publications.waset.org/abstracts/search?q=drought" title=" drought"> drought</a>, <a href="https://publications.waset.org/abstracts/search?q=blue%20intensity" title=" blue intensity"> blue intensity</a> </p> <a href="https://publications.waset.org/abstracts/178826/spatiotemporal-changes-in-drought-sensitivity-captured-by-multiple-tree-ring-parameters-of-central-european-conifers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/178826.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">58</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational 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Search results for: Kristyna Hrabova