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SMMR Data Access and Tools

Data from NASA’s Scanning Multichannel Microwave Radiometer (SMMR) provides foundational measurements of sea surface temperatures, ocean wind speeds, and atmospheric water vapor. Explore SMMR datasets and relevant data tools.

Datasets

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Dataset Temporal Extent Version Data State Processing Level Data Format Related Topics
ABoVE: Passive Microwave-derived Annual Snow Melt Duration Date Maps, 1988-2018 1988-02-09 to 2018-07-20 1.1 COMPLETE 3 multiple Snow Cover, Snow Melt, Snow Cover, Snow Melt, Snow Melt
ABoVE: Passive Microwave-derived Annual Snowpack Main Melt Onset Date Maps, 1988-2023 1988-02-09 to 2023-07-20 1.0 COMPLETE 3 multiple Snow Melt, Snow Melt, Surface Melt, Snow Melt
Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS V004 1978-11-01 to Present 4 ACTIVE 3 netCDF-4 Sea Ice Concentration
Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR V002 1978-10-25 to Present 2 ACTIVE 3 netCDF-4 Brightness Temperature
ISLSCP II Global Sea Ice Concentration 1986-01-01 to 1995-12-31 1 COMPLETE 3 Shapefile Sea Ice Concentration, Sea Ice Concentration, Sea Ice Concentration, Ice Extent
LBA-ECO LC-07 Monthly Inundated Areas, Amazon, Orinoco and Pantanal Basins: 1978-1987 1978-12-01 to 1987-08-31 1 COMPLETE 3 multiple Land Use/Land Cover Classification, Discharge/Flow, Floods, Inundation
LBA-ECO LC-07 Monthly Mean Flooded Wetlands Habitat, Central Amazon Basin: 1979-1996 1979-01-01 to 1996-06-30 1 COMPLETE 3 CSV Land Use Classes, Floods, Inundation, Wetlands
MEaSUREs Arctic Sea Ice Characterization Daily 25km EASE-Grid 2.0 V001 1979-01-01 to 2012-12-31 1 COMPLETE 3 netCDF-4 Ice Extent, Sea Ice Age, Snow Melt
MEaSUREs Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR V001 1978-10-25 to 2025-09-30 1 COMPLETE 3 netCDF-4 Brightness Temperature
MEaSUREs Global Record of Daily Landscape Freeze/Thaw Status V005 1979-01-01 to 2023-12-31 5 COMPLETE 3 HDF5, GIF, GeoTIFF Freeze/Thaw
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