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SMAP L2 Radar Half-Orbit 3 km EASE-Grid Soil Moisture, Version 3 User Guide
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SMAP L2 Radar Half-Orbit 3 km EASE-Grid Soil Moisture, Version 3 User Guide
News & Analyses
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Sea Ice Today (formerly ASINA)
Ice Sheets Today
Snow Today
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Submit NASA Data to NSIDC DAAC
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Get Started with Data
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NASA National Snow and Ice Data Center Distributed Active Archive Center (NSIDC DAAC)
NOAA at NSIDC
Exchange for Observations and Local Knowledge of the Arctic (ELOKA)
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Learn
What is the Cryosphere?
Parts of the Cryosphere
Arctic Weather & Climate
Frozen Ground & Permafrost
Glaciers
Ice Sheets
Ice Shelves
Sea Ice
Snow
Ask a Scientist
Cryosphere glossary
About
About NSIDC
What we do
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Published Research
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Careers
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