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| International Ice Core Working Group | |
|---|---|
| Name | International Ice Core Working Group |
| Abbreviation | IICWG |
| Formation | 1990s |
| Type | Scientific working group |
| Headquarters | Geneva |
| Region served | Worldwide |
| Parent organization | World Meteorological Organization |
International Ice Core Working Group The International Ice Core Working Group coordinates global efforts in ice core drilling, analysis, and interpretation to reconstruct past climates and cryospheric change. It brings together experts from programs such as the Antarctic Treaty System, European Space Agency, United States National Science Foundation, National Aeronautics and Space Administration, and national polar institutes to support campaigns in regions including Antarctica, Greenland, Arctic Ocean, and the Himalayas. The group interfaces with initiatives like the Intergovernmental Panel on Climate Change, Scientific Committee on Antarctic Research, and International Arctic Science Committee to translate ice core records into policy-relevant assessments.
The group's origins trace to coordinating meetings among members of International Geophysical Year-era projects and later formalization influenced by commissions under the International Union of Geodesy and Geophysics and the World Climate Research Programme. Early participants included scientists from British Antarctic Survey, Alfred Wegener Institute, Lamont–Doherty Earth Observatory, and University of Copenhagen teams who had conducted seminal campaigns at Byrd Station, Dome C, Camp Century, and Siple Dome. Milestones involved exchanges with the National Research Council (United States), protocol agreements with the Commission for the Conservation of Antarctic Marine Living Resources, and workshop outputs presented at conferences such as the American Geophysical Union and European Geosciences Union General Assemblies.
The group's mission emphasizes standardized protocols for cores collected by projects like European Project for Ice Coring in Antarctica and Greenland Ice Sheet Project. Objectives include developing sampling strategies compatible with laboratories at Centre for Ice and Climate (Copenhagen), National Oceanic and Atmospheric Administration, and Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research; improving age-model frameworks used by Paleoclimate Modelling Intercomparison Project participants; and enabling cross-disciplinary synthesis with paleoclimate groups at Max Planck Institute for Meteorology, Scripps Institution of Oceanography, and Potsdam Institute for Climate Impact Research.
Membership comprises representatives from national programs such as British Antarctic Survey, Institut polaire français Paul-Emile Victor, Japan Agency for Marine-Earth Science and Technology, Korea Polar Research Institute, and Russian Antarctic Expedition. Governance mechanisms mirror those of intergovernmental bodies like World Meteorological Organization panels and include an elected steering committee, working groups on drilling technology drawn from Japan Agency for Marine-Earth Science and Technology engineers, and scientific advisory boards with liaisons to Intergovernmental Oceanographic Commission and International Arctic Science Committee. Meetings rotate among host institutions including Scott Polar Research Institute, Ohio State University, and University of Bern.
The group coordinates major field campaigns and supports projects such as deep drilling at Dome Fuji, EPICA Dome C, NorthGRIP, and intermediate cores from Law Dome and NGRIP. It endorses investigations into isotopic proxies handled by laboratories at University of New Hampshire, University of Bern, and University of Cambridge and fosters method development with collaborators at Massachusetts Institute of Technology and ETH Zurich. Cross-disciplinary projects link ice core chronologies to marine records from Integrated Ocean Drilling Program sites and terrestrial archives curated by Smithsonian Institution researchers. The group also advises on logistics for operations involving McMurdo Station, Neumayer Station III, and Thule Air Base.
Standards address metadata, archiving, and sample handling compatible with repositories such as the National Snow and Ice Data Center, PANGAEA (data publisher), and the World Data System. Protocols harmonize calibration practices used at Centre for Ice and Climate (Copenhagen), University of Bern, and NIWA and endorse traceability standards promoted by International Organization for Standardization. Data policies align with data-sharing expectations from the Intergovernmental Panel on Climate Change and the Research Data Alliance to facilitate integration with climate model input datasets maintained by UK Met Office Hadley Centre, NOAA National Centers for Environmental Information, and European Centre for Medium-Range Weather Forecasts.
The group partners with international programs including Scientific Committee on Antarctic Research, International Arctic Science Committee, World Meteorological Organization, United Nations Environment Programme, and national funders such as National Science Foundation (United States), Natural Environment Research Council, and Deutsche Forschungsgemeinschaft. Collaborative networks link to academic centers like Lamont–Doherty Earth Observatory, University of Copenhagen, University of Alaska Fairbanks, and Plymouth Marine Laboratory and instrument developers at Thermo Fisher Scientific and Los Alamos National Laboratory. Outreach and capacity building engage polar schools such as UiT The Arctic University of Norway and coordination with logistics providers like Antarctic Logistics & Expeditions.
Contributions include establishment of high-resolution greenhouse gas records informing Intergovernmental Panel on Climate Change assessments, synchronization of stratigraphic markers used across Greenland ice cores and Antarctic ice cores, and development of age models referenced by Paleoclimate Modelling Intercomparison Project experiments. The group's standards underlie reconstructions cited in syntheses by National Academies of Sciences, Engineering, and Medicine, influence interpretations in studies from Vostok Station and Dome C, and support interdisciplinary links to records from Lacustrine deposits, Speleothems, and Ocean Drilling Program cores. Its coordination has improved reproducibility of measurements at laboratories including Scripps Institution of Oceanography and Eawag, advancing understanding of abrupt climate events documented in cores such as the Younger Dryas and the Dansgaard–Oeschger events.
Category:Ice cores Category:Paleoclimatology