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Science Keywords > EARTH SCIENCE > BIOSPHERE > VEGETATION > VEGETATION INDEX

Preferred term

VEGETATION INDEX  

Definition

  • An index that is determined using visible and near-IR channels on AVHRR. Denotes relative chlorophyll content of vegetation during daylight conditions, and is thus used to monitor drought conditions. (en)

Broader concept

Narrower concepts

Entry terms

  • Multispectral Vegetation Indices (en)

Change note

  • 2016-06-15 08:46:54.0 [gee-cee] Insert Concept add narrower relation (VEGETATION INDEX [b7812c71-4b9e-4016-b4ba-dfcdb7e62365,84883] - LEAF AREA INDEX [b1d65d88-7bd0-491d-91ca-4102b89dc3e7,188277]);
  • 2016-06-15 08:48:10.0 [gee-cee] Insert Concept add narrower relation (VEGETATION INDEX [b7812c71-4b9e-4016-b4ba-dfcdb7e62365,84883] - NORMALIZED DIFFERENCE VEGETATION INDEX [2297a00a-80f5-466e-b28e-b9ca42562d3f,188279]);
  • 2016-06-15 09:43:40.0 [gee-cee] update Definition (An indicator that describes the greenness - the relative density and health of vegetation - for each picture element, or pixel, in a satellite image.); update Definition (USGS);
  • 2021-09-08 12:56:12.0 [tstevens] update Definition (An index that is determined using visible and near-IR channels on AVHRR. Denotes relative chlorophyll content of vegetation during daylight conditions, and is thus used to monitor drought conditions.); update Definition (National Weather Association (NWA) Remote Sensing Committee);

URI

https://gcmd.earthdata.nasa.gov/kms/concept/b7812c71-4b9e-4016-b4ba-dfcdb7e62365

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