This data set consists of a geo-referenced digital map and attribute data derived from the publication 'Permafrost map of Alaska'. The map is presented at a scale of 1 to 2,500,000 and shows the ...

A prolonged period of extensive ice sheet melting from roughly July 7 to July 20 tipped the 2025 melt season to above the ...

Dear data users, NSIDC does not archive or provide citation guidance for these data. This map depicts the distribution, characteristics, and boundaries of permafrost and ground ice in Canada.

Describing subset: When applicable, include the information a reader would need to extract the same subset at the end of your citation. If multiple or complex steps were incolved, it may be more ...

High Mountain Asia 8-meter DEMs Derived from Along-track Optical Imagery, Version 1 ...

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Sea ice data is updated daily, with a one-day lag. On occasion, there is data delay which is usually resolved within a few days. The orange line in extent and concentration images (left and middle) ...

NOAA@NSIDC preserves data to support current and future research. Data products serve scientists engaged in research, decision makers planning activities affected by snow and ice, and members of the ...

The monthly Sea Ice Index provides a quick look at Arctic-wide changes in sea ice. It is a source for consistently processed ice extent and concentration images and data values since 1979. Monthly ...

The Near-real-time Ice and Snow Extent (NISE) data set provides daily, global maps of sea ice concentrations and snow extent. These data are not suitable for time series, anomalies, or trends analyses ...

SMAP Level-4 (L4) surface and root zone soil moisture (L4_SM) data are provided in three products. The SMAP L4 Global 3-hourly 9 km EASE-Grid Surface and Root Zone Soil Moisture Geophysical Data ...

This data set (ATL03) contains height above the WGS 84 ellipsoid (ITRF2014 reference frame), latitude, longitude, and time for all photons downlinked by the Advanced Topographic Laser Altimeter System ...