GPM_2BCMB_TRMM: Combined Satellite Precipitation Estimates, 1997-2015

GPM_2BCMB_TRMM provides high-resolution estimates of surface rainfall rate and precipitation vertical distributions from December 1997 to April 2015. The data is produced by NASA using a combined radar-radiometer algorithm applied to TRMM satellite observations. This product serves as a cross-calibration reference for passive microwave radiometers in the TRMM and GPM constellations.

Use Cases

• Cross-calibrating rain rate estimates from passive microwave radiometers based on the algorithm's reference dataset function
• Analyzing instantaneous storm structure based on high-resolution precipitation vertical distributions
• Validating climate prediction models based on consistent, high time-resolution precipitation records
• Studying surface rainfall rate patterns over the TRMM epoch (1997-2015)

Strengths

• Covers a specific time range from December 1997 to April 2015
• Designed to provide the most accurate high-resolution estimates achievable from a spaceborne platform
• Produced by NASA, an authoritative source for Earth science data

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Processed from TRMM satellite observations using the GPM Combined Radar-Radiometer Algorithm.

Time Range

December 1997 to April 2015

Freshness

Last updated 2026-03-13 02:17:21.675918; freshness should be verified

Geography

Global coverage from the TRMM satellite constellation