Cryospheric Sciences Division

Cryospheric Sciences Division
Name	Cryospheric Sciences Division

Cryospheric Sciences Division is a research unit focused on the study of frozen Earth systems including ice sheets, glaciers, sea ice, permafrost, and seasonal snow. It investigates interactions among polar Antarctic Treaty System, Arctic Council, United States Antarctic Program, International Arctic Science Committee, and regional programs like Alaska Division of Geological & Geophysical Surveys while contributing to international assessments such as the Intergovernmental Panel on Climate Change reports and the Global Climate Observing System. The Division collaborates with agencies and institutions including NASA, National Oceanic and Atmospheric Administration, European Space Agency, National Science Foundation, and universities such as Scripps Institution of Oceanography, Columbia University, and University of Cambridge.

Overview

The Division spans scientific themes linking field campaigns like Operation IceBridge, Polarstern expeditions, and MOSAiC to satellite programs such as ICESat, CryoSat-2, and Sentinel-1. Staffed by researchers affiliated with organizations including Jet Propulsion Laboratory, British Antarctic Survey, Lamont–Doherty Earth Observatory, and University of Alaska Fairbanks, it addresses rapid cryosphere change documented in studies from Pine Island Glacier, Thwaites Glacier, and Greenland Ice Sheet to seasonal changes in the Bering Sea and Canadian Arctic Archipelago.

Research Programs

Research themes include ice-sheet dynamics informed by work on West Antarctic Ice Sheet, East Antarctic Ice Sheet, and outlet glaciers like Jakobshavn Glacier; sea-ice physics referencing the Weddell Sea and Chukchi Sea; permafrost studies linked to sites such as Sakha Republic and Yukon; and snow hydrology relevant to Himalayas meltwater and Rocky Mountains snowpack. Programs coordinate with initiatives like International Thwaites Glacier Collaboration, Antarctic Logistics & Expeditions, and the Global Terrestrial Network for Permafrost. Cross-disciplinary projects draw expertise from groups such as National Snow and Ice Data Center, Paleoclimate Modeling Intercomparison Project, and World Climate Research Programme.

Observations and Instrumentation

Observational assets include airborne campaigns using platforms similar to those in Operation IceBridge and unmanned systems inspired by NASA Armstrong Flight Research Center developments, in situ networks comparable to Circumpolar Active Layer Monitoring and autonomous sensors used in projects at Barrow (Utqiagvik). Remote sensing relies on instruments from missions like ICESat-2, GRACE, SMAP, and Sentinel-3 as well as radar systems developed in collaboration with Delft University of Technology and German Aerospace Center. Field instrumentation ranges from GPS arrays used in studies of Pine Island Glacier motion to borehole observatories modeled after installations at EastGRIP and Camp Century.

Data Processing and Modeling

The Division develops data products and models linking observations to projections through tools such as regional climate models used at National Center for Atmospheric Research, ice-sheet models employed in Community Ice Sheet Model efforts, and coupled earth system models similar to those in Coupled Model Intercomparison Project. Data assimilation frameworks incorporate gravity data from GRACE Follow-On and altimetry from CryoSat-2; numerical methods leverage expertise from Lawrence Berkeley National Laboratory and Princeton University. Outputs feed assessments from Intergovernmental Panel on Climate Change and scenario analyses used by World Meteorological Organization.

Applications and Policy Impact

Applied research informs coastal risk assessments for areas like Bangladesh, Louisiana, and Kiribati and adaptation planning coordinated with entities such as United Nations Framework Convention on Climate Change and UNEP. Findings contribute to infrastructure guidance from Federal Emergency Management Agency and water resource management strategies used by U.S. Army Corps of Engineers and regional authorities in the Indus River Basin and Colorado River Basin. Sea-level projections and permafrost thaw analyses have influenced international agreements and funding priorities at organizations like Green Climate Fund and Global Environment Facility.

Organizational Structure and Partnerships

The Division operates in partnership with national laboratories including Oak Ridge National Laboratory, Los Alamos National Laboratory, and Pacific Northwest National Laboratory, and with academic consortia such as Consortium for Ocean Leadership and Polar Research Board. It forms joint efforts with international partners like Institute of Arctic and Alpine Research, Alfred Wegener Institute, and Norwegian Polar Institute and engages with NGOs including World Wildlife Fund and The Nature Conservancy for conservation-relevant work. Advisory interactions occur with bodies like National Academies of Sciences, Engineering, and Medicine and panels assembled by White House Office of Science and Technology Policy.

Education and Outreach

Education programs include fellowships modeled after those from Fulbright Program and training tied to summer schools at Scott Polar Research Institute and workshops hosted by International Glaciological Society. Outreach leverages media collaborations with outlets such as BBC News, Nature (journal), and Science (journal) and public engagement through partnerships with museums like the Smithsonian Institution and visitor centers in Svalbard and Greenland. Citizen science initiatives mirror efforts such as Cooperative Arctic Data and Information Service participation and community-based monitoring with Indigenous organizations like Inuit Circumpolar Council and Gwich'in Tribal Council.

Category:Cryospheric research