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NASA GISS: Events: Meetings, Workshops, Seminars, and Colloquia

<!DOCTYPE HTML><html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <link rel="stylesheet" type="text/css" href="https://www.giss.nasa.gov/css/css2104.css" media="all" /> <title>NASA GISS: Events: Meetings, Workshops, Seminars, and Colloquia</title> <link rel="stylesheet" type="text/css" href="css/meetings.css" media="all"/> <script src="js/abstracts.js"></script> <link rel="apple-touch-icon" href="/gfx/apple-touch-icon-180x180.png" /> <link rel="apple-touch-icon-precomposed" href="/gfx/apple-touch-icon-180x180.png" /> <link rel="apple-touch-icon" sizes="192x192" href="/gfx/apple-touch-icon-192x192.png" /> <link rel="apple-touch-icon" sizes="180x180" href="/gfx/apple-touch-icon-180x180.png" /> <link rel="apple-touch-icon" sizes="152x152" href="/gfx/apple-touch-icon-152x152.png" /> <link rel="apple-touch-icon" sizes="128x128" href="/gfx/apple-touch-icon-128x128.png" /> <link rel="apple-touch-icon" sizes="76x76" href="/gfx/apple-touch-icon-76x76.png" /> <meta name="orgcode" content="611" /> <meta name="rno" content="Gavin.A.Schmidt.1" /> <meta name="content-owner" content="Robert.B.Schmunk.1" /> <meta name="webmaster" content="Robert.B.Schmunk.1" /> <meta name="viewport" content="width=956, initial-scale=1" /><script id="_fed_an_ua_tag" src="https://dap.digitalgov.gov/Universal-Federated-Analytics-Min.js?agency=NASA&amp;subagency=GISS&amp;yt=true&amp;dclink=true" async="async"></script> </head> <body> <div id="bkg1"><div id="bkg2"></div><!-- end bkg2 --></div><!-- end bkg1 --> <div id="page"> <div class="hidden"> <a href="#content" title="Go to Main Content" accesskey="2">Go to Main Content (Accesskey 2)</a><br /><a href="#nav" title="Go to Site Menu" accesskey="3">Go to Site Menu (Accesskey 3)</a></div><!-- end hidden --> <div id="header"> <div id="headerlogo"> <a href="https://www.nasa.gov/"><img src="https://www.giss.nasa.gov/gfx/2013/nasa_x2.png" alt="NASA Logo, National Aeronautics and Space Administration" style="width:140px;height:98px" /></a></div><!-- end headerlogo --> <div id="centername"> <h1><a href="https://www.nasa.gov/">National Aeronautics and Space Administration</a></h1> <h2><a href="https://www.giss.nasa.gov/">Goddard Institute for Space Studies</a></h2></div><!-- end centername --> <div id="hierarchy"> <h2><a href="https://www.nasa.gov/goddard/">Goddard Space Flight Center</a><br /><a href="https://science.gsfc.nasa.gov/sci">Sciences and Exploration Directorate</a><br /><a href="https://science.gsfc.nasa.gov/earth">Earth Sciences Division</a></h2></div><!-- end hierarchy --></div><!-- end header --> <div id="paper"> <div id="content"> <div id="cbanner" style="height:100px"> <h2><img src="/gfx/bnrs/events_744x100_x2.jpg" style="width:744px;height100px;border:0" alt="GISS Events" /></h2> </div> <div class="col1a"> <div class="col1b"> <h3 class="bhed" id="schedule">Events</h3> <p>Following are upcoming seminars, workshops and other events of interest to the staff of NASA's Goddard Institute for Space Studies and to our research partners. </p> <p> Note that due to security regulations, as described elsewhere on this page, presentations on the GISS premises are not open to the general public. Please consult with the event <a href="https://www.giss.nasa.gov/staff/">host/contact</a> for connection details if you wish to remotely join any event marked as "<span class="virtual">Virtual</span>" or "<span class="virtual">Hybrid</span>".</p> </p> <p class="ednote"> This event listing was last updated 2024-11-18. All times shown are New York City local.</p> <hr style="width:50%" /> <dl class="event"><dt><b>November 19, 2024</b></dt> <dd>11 a.m. to 12:15 p.m. &mdash; <span class="virtual">Virtual</span></dd> <dd><b>Sea Level Rise Seminar</b></dd> <dd>Topic: <i>Mapping Changes in the Greenland Ice Sheet Margin Over the Past Century Using Airborne and Geodetic Surveys</i></dd> <dd>Speaker: Shfaqat Abbas Khan (Technical Univ Denmark)</dd> <dd>More info: <a href="javascript:void(0)" onclick="showAbs(106989)"><b>Abstract</b></a></dd> <dd>Host/Contact: Patrick Alexander</dd> </dl> <div id="abst106989" class="abstract"><p>Sea Level Rise Seminar<br /> Speaker: Shfaqat Abbas Khan (Technical Univ Denmark)<br />Title: Mapping Changes in the Greenland Ice Sheet Margin Over the Past Century Using Airborne and Geodetic Surveys<br /> </p><hr /> <p>This is an on-line, virtual presentation only. Please consult with event host Patrick Alexander for connection details.</p><hr /> <p>Abstract:<br /> The Greenland Ice Sheet (GrIS) is currently the largest single contributor of land ice to sea level rise. This trend is expected to continue, but future rates of mass loss remain uncertain, as observational estimates for the entire ice sheet span only the past few decades. Understanding both long-term and short-term glacier responses to changing external forces is key to improving future projections. <br /> <br />This talk explores various datasets used to map changes in the Greenland Ice Sheet margin across timescales ranging from days to decades. For long-term ice loss, we calculate spatial ice mass loss around the entire Greenland Ice Sheet from 1900 to the present, utilizing aerial imagery from the 1980s. This enables accurate, high-resolution mapping of geomorphic features corresponding to the maximum extent of the Greenland Ice Sheet during the Little Ice Age at the end of the 19th century. <br /> <br />Over the past two decades, satellite and airborne altimetry data with fine spatial (1 km) and temporal (monthly) resolutions have documented the evolution of the Greenland Ice Sheet. Recently, a novel approach has been employed to investigate Greenland&#39;s ice sheet mass changes at daily temporal resolution. This method uses data from the Greenland GPS Network (GNET), which measures mass changes by detecting the solid Earth&#39;s response to varying surface loads. The hypothesis is that the entire GNSS network can function as a virtual instrument to monitor the total mass balance of Greenland. Over the past two decades, gravity variation measurements have shown that the most significant mass loss has occurred along Greenland&#39;s periphery, where the GNET stations are located. This suggests that the GNSS stations are highly sensitive to these changes. Furthermore, in the past 15 years, the number of stations has increased significantly, resulting in a more uniformly distributed spatial coverage around the ice sheet margins. <br /> <br />By integrating the long-term dataset (1900-2000) with the fine spatial (1 km) and temporal (monthly) resolution dataset (2003-2023), as well as daily ice loss estimates from GNET, ice sheet models could potentially improve the predictive accuracy of future mass balance projections.<br /></p> <hr /><p style="text-align:center">[ <a href="javascript:void(0)" onclick="hideAbs(106989)">Close</a> ]</p></div><!-- end abst --> <div id="fade106989" class="fade" onclick="hideAbs(106989)"></div> <dl class="event"><dt><b>November 20, 2024</b></dt> <dd>11 a.m. to 12 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>IRI Climate Forecast Briefing</b></dd> <dd>Host/Contact: Andrew W. Robertson</dd> </dl> <dl class="event"><dt><b>November 20, 2024</b></dt> <dd>12 p.m. to 1:30 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>GISS Lunch Seminar</b></dd> <dd>Topic: <i>The coupling of dynamics and water mass in convective clouds</i></dd> <dd>Speaker: Maximilien Bolot (Ecole normale Superieure)</dd> <dd>More info: <a href="javascript:void(0)" onclick="showAbs(107068)"><b>Abstract</b></a></dd> <dd>Host/Contact: Nicolas Leitmann-Niimi</dd> </dl> <div id="abst107068" class="abstract"><p>GISS Lunch Seminar<br /> Speaker: Maximilien Bolot (Ecole normale Superieure)<br />Title: The coupling of dynamics and water mass in convective clouds<br /> </p><hr /> <p>This is a hybrid presentation, presented both in-person and on-line. Please consult with event host Nicolas Leitmann-Niimi for connection details if you wish to virtually attend.</p><hr /> <p>Abstract:<br /> Convective clouds must constantly perform mechanical work to maintain their motions against the weight of the water in them. This fact, often overlooked, can produce dramatic effects, especially at the center of storms where the load of water can approach 200 kg per square meter. At these locations, convection must expend thousands of watts of mechanical work to lift the water to the level where it precipitates. This energy dissipated in lifting operations cannot be used to accelerate wind. I will show, using recent global warming simulations from the NOAA/GFDL&#39;s X-SHiELD global storm-resolving model, that at the global scale, the operation of lifting water consumes about 70 percent of the mechanical power of convection, with remarkable stability across regions. The simulations show that the work done by convection increases by 6 percent per 1-K increase in global mean temperature, as a result of the greater water holding capacity of the atmosphere. They also show that, coincidentally, the mechanical energy dissipated in lifting water increases by 6 percent, suggesting that the production of kinetic energy in updrafts will remain constrained in a water atmosphere. I will discuss the reason for this increase by 6 percent of the energy dissipated, and how it relates to changes in the distribution and transport of water mass in convective clouds. I will also show how changes in transport can be further characterized at the scale of individual mesoscale convective systems throughout their lifecycle. For this purpose, results obtained by application of the TOOCAN convective tracking algorithm to RCEMIP simulations will be discussed.<br /></p> <hr /><p style="text-align:center">[ <a href="javascript:void(0)" onclick="hideAbs(107068)">Close</a> ]</p></div><!-- end abst --> <div id="fade107068" class="fade" onclick="hideAbs(107068)"></div> <dl class="event"><dt><b>December 3, 2024</b></dt> <dd>11 a.m. to 12:15 p.m. &mdash; <span class="virtual">Virtual</span></dd> <dd><b>Sea Level Rise Seminar</b></dd> <dd>Speaker: Beata Csatho (Univ Buffalo)</dd> <dd>Host/Contact: Patrick Alexander</dd> </dl> <dl class="event"><dt><b>December 4, 2024</b></dt> <dd>1 p.m. to 2:15 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>GISS Lunch Seminar</b></dd> <dd>Speaker: Robert McGraw (Brookhaven Nat&#39;l Lab)</dd> <dd>Host/Contact: Nicolas Leitmann-Niimi</dd> </dl> <dl class="event"><dt><b>December 18, 2024</b></dt> <dd>11 a.m. to 12 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>IRI Climate Forecast Briefing</b></dd> <dd>Host/Contact: Andrew W. Robertson</dd> </dl> <dl class="event"><dt><b>January 15, 2025</b></dt> <dd>11 a.m. to 12 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>IRI Climate Forecast Briefing</b></dd> <dd>Host/Contact: Andrew W. Robertson</dd> </dl> <dl class="event"><dt><b>January 22, 2025</b></dt> <dd>1 p.m. to 2:15 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>GISS Lunch Seminar</b></dd> <dd>Speaker: Francisco Spaulding (UCLA)</dd> <dd>Host/Contact: Nicolas Leitmann-Niimi</dd> </dl> <dl class="event"><dt><b>February 18, 2025</b></dt> <dd>9 a.m. to 5 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>PACE Validation Science Team Meeting</b></dd> <dd>More info: <a href="javascript:void(0)" onclick="showAbs(107075)"><b>Abstract</b></a></dd> <dd>Host/Contact: Brian Cairns</dd> </dl> <div id="abst107075" class="abstract"><p>PACE Validation Science Team Meeting<br /> </p><hr /> <p>This is a hybrid presentation, presented both in-person and on-line. Please consult with event host Brian Cairns for connection details if you wish to virtually attend.</p><hr /> <p>Abstract:<br /> NASA PACE. mission Validation Science Team meeting and PACE-PAX field campaign meeting <br /></p> <hr /><p style="text-align:center">[ <a href="javascript:void(0)" onclick="hideAbs(107075)">Close</a> ]</p></div><!-- end abst --> <div id="fade107075" class="fade" onclick="hideAbs(107075)"></div> <dl class="event"><dt><b>February 19, 2025</b></dt> <dd>9 a.m. to 5 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>PACE Validation Science Team Meeting</b></dd> <dd>More info: <a href="javascript:void(0)" onclick="showAbs(107076)"><b>Abstract</b></a></dd> <dd>Host/Contact: Brian Cairns</dd> </dl> <div id="abst107076" class="abstract"><p>PACE Validation Science Team Meeting<br /> </p><hr /> <p>This is a hybrid presentation, presented both in-person and on-line. Please consult with event host Brian Cairns for connection details if you wish to virtually attend.</p><hr /> <p>Abstract:<br /> NASA PACE. mission Validation Science Team meeting and PACE-PAX field campaign meeting <br /></p> <hr /><p style="text-align:center">[ <a href="javascript:void(0)" onclick="hideAbs(107076)">Close</a> ]</p></div><!-- end abst --> <div id="fade107076" class="fade" onclick="hideAbs(107076)"></div> <dl class="event"><dt><b>February 19, 2025</b></dt> <dd>11 a.m. to 12 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>IRI Climate Forecast Briefing</b></dd> <dd>Host/Contact: Andrew W. Robertson</dd> </dl> <dl class="event"><dt><b>February 20, 2025</b></dt> <dd>9 a.m. to 5 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>PACE Validation Science Team Meeting</b></dd> <dd>More info: <a href="javascript:void(0)" onclick="showAbs(107077)"><b>Abstract</b></a></dd> <dd>Host/Contact: Brian Cairns</dd> </dl> <div id="abst107077" class="abstract"><p>PACE Validation Science Team Meeting<br /> </p><hr /> <p>This is a hybrid presentation, presented both in-person and on-line. Please consult with event host Brian Cairns for connection details if you wish to virtually attend.</p><hr /> <p>Abstract:<br /> NASA PACE. mission Validation Science Team meeting and PACE-PAX field campaign meeting <br /></p> <hr /><p style="text-align:center">[ <a href="javascript:void(0)" onclick="hideAbs(107077)">Close</a> ]</p></div><!-- end abst --> <div id="fade107077" class="fade" onclick="hideAbs(107077)"></div> <dl class="event"><dt><b>February 21, 2025</b></dt> <dd>9 a.m. to 5 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>PACE Validation Science Team Meeting</b></dd> <dd>More info: <a href="javascript:void(0)" onclick="showAbs(107078)"><b>Abstract</b></a></dd> <dd>Host/Contact: Brian Cairns</dd> </dl> <div id="abst107078" class="abstract"><p>PACE Validation Science Team Meeting<br /> </p><hr /> <p>This is a hybrid presentation, presented both in-person and on-line. Please consult with event host Brian Cairns for connection details if you wish to virtually attend.</p><hr /> <p>Abstract:<br /> NASA PACE. mission Validation Science Team meeting and PACE-PAX field campaign meeting <br /></p> <hr /><p style="text-align:center">[ <a href="javascript:void(0)" onclick="hideAbs(107078)">Close</a> ]</p></div><!-- end abst --> <div id="fade107078" class="fade" onclick="hideAbs(107078)"></div> <dl class="event"><dt><b>March 19, 2025</b></dt> <dd>11 a.m. to 12 p.m.&mdash; <span class="virtual">Hybrid</span></dd> <dd><b>IRI Climate Forecast Briefing</b></dd> <dd>Host/Contact: Andrew W. Robertson</dd> </dl> </div><!-- end col1b --> </div><!-- end col1a --> <div class="col2a"> <div class="col2b"> <h3 class="bhed">Meetings and Workshops</h3> <p> Forthcoming meetings, workshops, and other special events that will be hosted by GISS staff include the following:</p> <h4>PACE Validation Science Team Meeting</h4> <p>Feb. 18-21, 2025. For information, contact <a href="https://www.giss.nasa.gov/staff/bcairns.html">Brian Cairns</a>.</p> <!-- <p>There are no workshops, conferences, or other special events (co-)organized by NASA/GISS staff currently announced.</p> --> <div class="quicklinks"> <p>+ <a href="past.html">Past Meeting &amp; Workshop Reports</a></p> </div> </div><!-- end col2b --> <div class="col2b"> <h2>Seminars and Colloquia</h2> <p>Informal <a href="lunch"/><b>Lunch Seminars</b></a> usually take place at GISS on Wednesdays at 1 p.m. two or three times per month, mostly during the academic year. These events are "hybrid", i.e., they are presented in person at GISS but may be attended remotely by obtaining connection details from the event host.</p> <p>GISS staff also organize a Tuesday morning (11 a.m.) series of <b>Sea Level Rise Seminars</b>, presented by scientists from numerous research institutions. This seminar is entirely "virtual" and occurs two or three times per month, year-round.</p> <p>Other special seminars may occur depending on the schedules of visiting scientists.</p> <p>Videos of past Lunch Seminars, Sea Level Rise Seminars, and other presentations, including some tutorials, may be found on the <a href="https://www.youtube.com/nasagisstv"><b>GISS YouTube channel</b></a>.</p> </div> </div><!-- end col2a --> <div class="col1a"> <div class="col1b"> <h3 class="bhed">Security Note</h3 class="bhed"> <p>Federal regulations require that visitors to NASA/GISS arrange in advance for a building pass. Persons planning to attend a GISS seminar or colloquium held on-site at the institute should contact the event host several days in advance of the event for assistance. </p> <p>Persons who are not U.S. citizens or U.S. permanent residents and who may be planning a visit to GISS require that special arrangements be made. Please co-ordinate with your GISS host on this at least three weeks before your visit.</p> <p>Due to implementation of the <a href="http://www.dhs.gov/real-id-public-faqs">REAL ID Act (2005)</a>, a passport, state driver's license or state identification card is required for admittance to the GISS premises, which is considered a federal facility. Please note that we expect that in May 2025 a state-issued license or ID will need to be <a href="https://www.dhs.gov/news/2022/12/05/dhs-announces-extension-real-id-full-enforcement-deadline">REAL-ID compliant</a> in order to be accepted. </p> <p>All visitors can expect to have their bags searched upon entry to GISS. This may include having to answer questions about personal items, including any medication the visitor may be carrying.</p> </div> </div><!-- end col1a --> </div><!-- end content --> <div id="nav"><h3>Site Menu</h3> <ul id="mnav"> <li><a href="https://www.giss.nasa.gov/">GISS Home</a></li> <li><a href="https://www.giss.nasa.gov/research/">News &amp; Features</a> <ul class="mnav2"> <li><a href="https://www.giss.nasa.gov/research/">News &amp; Features Overview</a></li></ul><!-- end mnav2 --></li> <li><a href="https://www.giss.nasa.gov/projects/">Projects &amp; Groups</a> <ul class="mnav2"> <li><a href="https://www.giss.nasa.gov/projects/">Projects Overview</a></li> <li><a href="https://www.giss.nasa.gov/projects/astrobio/">Astrobiology &amp; ROCKE-3D</a></li> <li><a href="https://www.giss.nasa.gov/projects/casi/">CASI</a></li> <li><a href="https://www.giss.nasa.gov/projects/impacts/">Climate Impacts</a></li> <li><a href="https://www.giss.nasa.gov/projects/gcm/">Climate Modeling</a></li> <li><a href="https://www.giss.nasa.gov/projects/iri_forecasts/">IRI Forecasts</a></li> <li><a href="https://isccp.giss.nasa.gov/">ISCCP</a></li></ul><!-- end mnav2 --></li> <li><a href="https://data.giss.nasa.gov/">Datasets</a> <ul class="mnav2"> <li><a href="https://data.giss.nasa.gov/">Datasets Overview</a></li> <li><a href="https://data.giss.nasa.gov/gistemp/">GISTEMP Surface Temperature</a></li> <li><a href="https://data.giss.nasa.gov/modelE/">Model E Simulations</a></li> <li><a href="https://data.giss.nasa.gov/modelforce/">Model Forcings</a></li> <li><a href="https://data.giss.nasa.gov/rocke3d/maps/">ROCKE-3D Simulations</a></li> <li><a href="https://isccp.giss.nasa.gov/products/onlineData.html">ISCCP Data Products</a></li> <li><a href="https://gacp.giss.nasa.gov/datasets/">GACP Data Products</a></li></ul><!-- end mnav2 --></li> <li><a href="https://pubs.giss.nasa.gov/">Publications</a> <ul class="mnav2"> <li><a href="https://pubs.giss.nasa.gov/">Publications Overview</a></li> <li><a href="https://pubs.giss.nasa.gov/year/2025.html">2025 Publications</a></li> <li><a href="https://pubs.giss.nasa.gov/year/2024.html">2024 Publications</a></li> <li><a href="https://pubs.giss.nasa.gov/year/2023.html">2023 Publications</a></li> <li><a href="https://pubs.giss.nasa.gov/year/2022.html">2022 Publications</a></li> <li><a href="https://pubs.giss.nasa.gov/year/2021.html">2021 Publications</a></li> <li><a href="https://pubs.giss.nasa.gov/year/inpress.html">Accepted &amp; 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