Advancing knowledge of Earth's frozen regions.
Boulder, Colorado
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Arctic sea ice extent has reached its minimum for the year, landing at 10th lowest with 2008, 2010, and 2025. Antarctic sea ice may have topped out at 3rd lowest maximum in the satellite record. A full analysis will come out in early Oct from Sea Ice Today:bit.ly/4yYW1YB
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On Sept 12, Arctic sea ice reached its annual minimum extent of 4.60 million square kilometers (1.78 million square miles), tying for tenth lowest with 2008, 2010, and 2025. The last 20 years are the lowest 20 sea ice extents in the satellite record. bit.ly/4Ate4Yl
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This year, NSIDC celebrates 50 years of data, research, and service. In 1976, the United States celebrated its bicentennial, disco topped the charts, and no one had yet seen a Star Wars movie. That same year, the NSIDC opened its doors. nsidc.org/news-analyses/news…
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Nilas is a thin sheet of smooth, level ice less than 10 centimeters (4 inches) thick. It is the first stage in sea ice growth, forming in calm, cold conditions with a dark, almost translucent appearance. Learn more cool terms: NSIDC cryosphere glossary bit.ly/4yJOv3z
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NOAA@NSIDC is a collaborative program between the National Oceanic and Atmospheric Administration and the National Snow and Ice Data Center that provides free, open-access data on Earth's frozen regions. nsidc.org/data/data-programs…
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The complete multichannel passive microwave record includes sea ice observations from late Oct 1978 to today using the NASA NSIDC DAAC Scanning Multichannel Microwave Radiometer (SMMR), SSM/I, SSMIS, and Advanced Microwave Scanning Radiometer (AMSR2). nsidc.org/data/smmr_ssmi
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You have multiple options to download data from the Moderate Resolution Imaging Spectroradiometer (MODIS), archived at the NSIDC Distributed Active Archive Center (DAAC), including NASA Earthdata search and Worldview. nsidc.org/data/modis
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The Ice, Cloud and Elevation Satellite-2 (ICESat-2) L4 Monthly Gridded Sea Ice Thickness, Version 4 data set, available from the NASA NSIDC DAAC, now offers extended temporal coverage with monthly files from September 2025 through April 2026. doi.org/10.5067/TXDHDJ1JT0CG
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In 2021, the US NSF established the NNA Community Office (NNA-CO) at NSIDC for its Navigating the New Arctic program to coordinate 100+ projects, build lasting partnerships, and offer resources and opportunities for knowledge exchange across the Arctic. bit.ly/4hmoNMw
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Data products from the NASA NSIDC DAAC Advanced Microwave Scanning Radiometer for EOS (AMSR-E): sea ice concentration & motion, sea surface temp, snow depth & water equivalent, soil moisture, wind speed, water vapor, precipitation, and other parameters. nsidc.org/data/amsre
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Do you know how to access data from the NASA NSIDC Distributed Active Archive Center (DAAC) Earthdata Cloud? We can get you started. nsidc.org/data/earthdata-clo…
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Although conditions are harsh at the poles, life thrives above, below, and within sea ice, which is critical to sustaining migratory birds, fish, and other species by fulfilling fundamental functions in life's seasonal rhythm. Learn more about sea ice: bit.ly/4d4Y4Sa
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High Mountain Asia has the highest concentration of glacier ice outside the polar regions. Glaciers provide life-sustaining water but pose hazards such as glacial-lake outburst floods and landslides. The NSIDC DAAC offers myriad data sets on this region. nsidc.org/data/highmountaina…
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Explore over 1,400 data sets housed at NSIDC. Filter results by collection method, geographic area, and geophysical measurement. nsidc.org/data/explore-data
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NOAA@NSIDC's data set called "Sea-ice Thickness and Draft Statistics from Submarine ULS, Moored ULS, and a Coupled Model" offers sea ice thickness and draft estimates from multiple observations around the North Pole from Jan 1, 1979, to Dec 31, 2004. doi.org/10.7265/N53N21BT
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A small lake of meltwater can pool near a glacier's terminus. But extreme or fast ice melt, or ice or rock avalanches into these lakes, can cause water to overflow. These glacial lake outburst floods can be rapid and deadly. Learn more about glaciers: bit.ly/4x3ePo3
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Two NSIDC DAAC data sets, Soil Moisture Ocean Salinity (SMOS)-Based Soil Moisture Active Passive (SMAP) L2 Radiometer Half-Orbit 9 km EASE-Grid Soil Moisture and SMAP/SMOS L3 Radiometer 9 km EASE-Grid Soil Moisture, have been updated to version 2. bit.ly/46zTmIo
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The Exchange for Local Observations and Knowledge of the Arctic, a NSIDC program, collaborates with Arctic communities and Indigenous organizations, schools, and researchers to create customized data management products and open and tailored data access. eloka.nsidc.org/eloka
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NSIDC's monthly sea ice analyses are back! In the Arctic, the sea ice extent this summer was tracking 2012 levels until August. In the Antarctic, sea ice had an unusually large mid-winter decline over a week in August. nsidc.org/sea-ice-today/anal…
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FAIR = Findable, Accessible, Interoperable, Reproducible. OpenScapes helps NSIDC achieve those data-access goals. nsidc.org/news-analyses/news…
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