SMAP Radiometer Twice-Daily rSIR-Enhanced EASE-Grid 2.0 Brightness Temperatures V002

Published by NASA NSIDC DAAC | National Aeronautics and Space Administration | Metadata Last Checked: October 20, 2025 | Last Modified: 2025-03-31

This data set contains twice-daily, enhanced-resolution brightness temperature data derived from the SMAP radiometer. Data are available on the Northern Hemisphere, Southern Hemisphere, Temperate, and Mid-Latitude (sub-set of Global) EASE-Grid 2.0 projections and on the 3 km, 3.125 km, 9 km, 25 km, and 36 km resolution grids. This data set applies the same SIR technique used to derive brightness temperatures from the SMMR, AMSR-E, and SSM/I-SSMIS sensors and is a companion product for the MEaSUREs Calibrated Enhanced-Resolution Passive Microwave Daily EASE-Grid 2.0 Brightness Temperature ESDR data set (DOI: 10.5067/MEASURES/CRYOSPHERE/NSIDC-0630.001).

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	C2103333573-NSIDC_ECS
issued	2015-03-31
landingPage	https://doi.org/10.5067/YAMX52BXFL10
language	[ "en-US" ]
programCode	[ "026:001" ]
spatial	-180.0 -90.0 180.0 90.0
temporal	2015-03-31T00:00:00Z/2022-12-31T23:59:59.999Z
theme	[ "geospatial" ]