News & Stories

Across the globe, snow and ice play a vital role in regulating Earth’s climate and providing freshwater resources to people, plants, and animals.

As Earth’s frozen regions change rapidly, NSIDC is committed to growing its research and open access data to better understand these changes. Read about NSIDC research and its contribution to science and policy making. Check out spotlights on how to use NSIDC data, tools, and resources. Learn about how we steward data and collaborate with scientists and organizations across the world to understand how the frozen parts of Earth affect the rest of the planet and impact society.

News and stories

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NASA Earthdata Harmony data transformation services, or Harmony for short, allows data users to define their area of interest to filter and crop data. In this example, data from the Soil Moisture Active Passive (SMAP) radiometer is being filtered and subset to the borders of the state of Colorado.
Spotlight
Since beginning to migrate data to the NASA Earthdata Cloud, the NSIDC DAAC has worked to develop resources and tools to ensure an easy transition for data users. The newest of those tools to come to the NSIDC DAAC is NASA Earthdata Harmony data transformation services, or Harmony for short, which the NSIDC DAAC has adopted for ICESat-2 data. Harmony is a framework that serves many NASA Earthdata data sets across NASA DAACs. These data transformation services include spatial, temporal, and variable subsetting, reformatting the data, combining multiple files together in one file, reprojection, and more.
Arctic sea ice
Analysis - Sea Ice Today
Following the pattern seen in recent years, autumn freeze up has been slow in the Arctic, reflecting the growing heat gain in the ocean mixed layer during summer and higher air temperatures. In the Antarctic, the rate of spring ice loss slowed somewhat during November, ending the month above the extreme low levels of 2016 and 2023.
Landsat satellite images show the western edge of the Greenland Ice Sheet on September 8, on the left, and September 24, on the right,
Analysis - Ice Sheets Today
The 2024 melt season for the Greenland Ice Sheet ended with the second-lowest cumulative daily melt extent in this century, ranking twenty-eighth in the satellite record, which began in 1979. A late summer heat wave along the northwestern ice sheet closed out the season.