TMI/TRMM surface soil moisture (LPRM) L2 V001 (LPRM_TMI_SOILM2) at GES DISC

TMI/TRMM surface soil moisture (LPRM) L2 V001 is a Level 2 (swath) data set. Its land surface parameters, surface soil moisture, land surface (skin) temperature, and vegetation water content are derived from passive microwave remote sensing data from the Tropical Rainfall Measuring Mission (TRMM) Microwave Imager (TMI), using the Land Parameter Retrieval Model (LPRM). Each swath is packaged with associated geolocation fields. The data set covers the period from December 1997 to April 2015 (when the instruments on the TRMM satellite were shut down in preparation for its reentry into the earth's atmosphere), at the spatial resolution (nominally 45 km) of TMI's X band (10.7 GHz). The LPRM is based on a forward radiative transfer model to retrieve surface soil moisture and vegetation optical depth. The land surface temperature is derived separately from TMI's Ka-band (37 GHz). A unique feature of this method is that it can be applied at any microwave frequency, making it very suitable to exploit all the available passive microwave data from various satellites. Input data are from the TMI Brightness Temperatures (1B-11) product, archived at the Goddard Earth Sciences Data and Information Services Center (GES DISC).

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated April 13, 2026, 20:51 (UTC)
Created April 1, 2025, 19:30 (UTC)
accessLevel public
bureauCode {026:00}
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
harvest_object_id 4148f446-08d2-4c97-8757-555862b45673
harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.5067/DE73VGBNS01H
license https://www.usa.gov/government-works
modified 2026-04-06T22:16:02Z
programCode {026:000}
publisher NASA/GSFC/SED/ESD/TISL/GESDISC
resource-type Dataset
source_datajson_identifier true
source_hash 961385b6b86ade6f288a0111bd56a1b129348e7652b3bcc478cb5b033036862e
source_schema_version 1.1
spatial ["CARTESIAN",[{"WestBoundingCoordinate":-180,"NorthBoundingCoordinate":40,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-40}]]
temporal 1997-12-07/2015-04-08
theme {"Earth Science"}