Dear data users, NSIDC does not archive or provide citation guidance for these data. The Global Terrestrial Network for Permafrost (GTN-P) was established in 1999 by the International Permafrost ...

Use the MASIE-NH Daily Image Viewer to see where Arctic sea ice is now and how that data compares to the last four years. The data shown below is obtained nightly and comes from the most recent full ...

Home Data ICESat-2 Major Activities (includes yaw flips), last updated 16 Dec 2025ICESat-2 Major Activities (includes yaw flips), last updated 16 Dec 2025 ...

Home Data ATL03/ICESat-2 Data Gaps (applies to all ICESat-2 products), last updated 16 Dec 2025 ...

As a condition of using these data, you must cite the use of this data set. Such a practice gives credit to data set producers and advances principles of transparency and reproducibility. Other ...