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Platforms > Other > Models > Merged Analysis > IMERG

Preferred term

IMERG  

Definition

  • The Integrated Multi-satellitE Retrievals for GPM (IMERG) algorithm combines information from the GPM satellite constellation to estimate precipitation over the majority of the Earth's surface. This algorithm is particularly valuable over the majority of the Earth's surface that lacks precipitation-measuring instruments on the ground. (en)

Broader concept

Change note

  • 2020-05-22 12:29:57.0 [sritz] Insert Concept add broader relation (IMERG [ddbadcdd-36dd-4db8-98c6-c603bec96c76,560243] - Merged Analysis [6acce314-322f-4d58-9dcb-1f93457a9d86,541885]);
  • 2020-05-22 12:31:28.0 [sritz] insert AltLabel (id: null category: primary text: Integrated Multi-satellitE Retrievals for GPM language code: en); insert Definition (id: null text: [Source: https://disasters.nasa.gov/instruments/imerg] The Integrated Multi-satelliE Retrievals for GPM (*IMERG*) is the unified U.S. algorithm that provides the Day-1 multi-satellite precipitation product for the U.S. GPM team. The precipitation estimates from the various precipitation-relevant satellite passive microwave (PMW) sensors comprising the GPM constellation are computed using the 2014 version of the Goddard Profiling Algorithm (GPROF2014), then gridded, intercalibrated to the GPM Combined Instrument product, and combined into half-hourly 0.1°x0.1° fields. language code: en);
  • 2023-06-09 16:21:24.0 [sritz] update Definition (The Integrated Multi-satellitE Retrievals for GPM (IMERG) algorithm combines information from the GPM satellite constellation to estimate precipitation over the majority of the Earth's surface. This algorithm is particularly valuable over the majority of the Earth's surface that lacks precipitation-measuring instruments on the ground.); update Definition (https://gpm.nasa.gov/data/imerg , https://docserver.gesdisc.eosdis.nasa.gov/public/project/GPM/IMERG_doc.06.pdf);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/ddbadcdd-36dd-4db8-98c6-c603bec96c76

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