AMSR-E/AMSR2 Unified L3 Global Monthly 25 km EASE-Grid Snow Water Equivalent V001

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Metadata Last Checked: October 28, 2025 | Last Modified: 2025-03-31

This AMSR-E/AMSR2 Unified Level-3 (L3) data set provides monthly mean estimates of Snow Water Equivalent (SWE). SWE was derived from brightness temperature measurements acquired by the Advanced Microwave Scanning Radiometer 2 (AMSR2) instrument on board the JAXA GCOM-W1 satellite. The SWE data is rendered to an azimuthal 25 km Equal-Area Scalable Earth Grid (EASE-Grid) for both the Northern and Southern Hemisphere. Note: This data set uses JAXA AMSR2 Level-1R (L1R) input brightness temperatures that are calibrated, or unified, across the JAXA AMSR-E and JAXA AMSR2 L1R products.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	C3243533045-NSIDC_CPRD
issued	2012-07-02
landingPage	https://doi.org/10.5067/43NH9LHM9YRK
language	[ "en-US" ]
programCode	[ "026:001" ]
spatial	-180.0 -90.0 180.0 90.0
temporal	2012-07-02T00:00:00Z/2025-03-10T00:00:00Z
theme	[ "geospatial" ]