https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.6 2026-03-19T10:41:57.720Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/2297a00a-80f5-466e-b28e-b9ca42562d3f 2016-06-15 NORMALIZED DIFFERENCE VEGETATION INDEX (NDVI) Date=2016-06-15 User Id=gee-cee Entity=Definition Operation=INSERT System Note=insert Definition New Value=id: null text: An index of plant “greenness” or photosynthetic activity, and is one of the most commonly used vegetation indices. language code: en Date=2016-07-12 User Id=gee-cee Entity=PrefLabel Operation=UPDATE Field=text System Note=update PrefLabel Old Value=NORMALIZED DIFFERENCE VEGETATION INDEX New Value=NORMALIZED DIFFERENCE VEGETATION INDEX (NDVI) Date=2016-06-15 User Id=gee-cee Entity=BroaderRelation Operation=INSERT User Note=Insert Concept System Note=add broader relation New Value=NORMALIZED DIFFERENCE VEGETATION INDEX [2297a00a-80f5-466e-b28e-b9ca42562d3f,188279] - VEGETATION INDEX [b7812c71-4b9e-4016-b4ba-dfcdb7e62365,84883] An index of plant “greenness” or photosynthetic activity, and is one of the most commonly used vegetation indices. 2016-07-12 11:12:04.0