https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.7 2026-04-15T10:53:30.610Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/db69ecb1-0738-4d82-943f-ae92093f500d PHOTOSYNTHETICALLY ACTIVE RADIATION Date=2016-06-15 User Id=gee-cee Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=PHOTOSYNTHETICALLY ACTIVE RADIATION [db69ecb1-0738-4d82-943f-ae92093f500d,84869] - FRACTION OF ABSORBED PHOTOSYNTHETICALLY ACTIVE RADIATION (FAPAR) [6079e5e4-4dee-4b32-aaa8-ae3231bcbadb,188275] Date=2016-06-15 User Id=gee-cee Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=Open University. 1989. Seawater: Its Composition, Properties and Behavior. Pergamon Press. England. New Value=Open University. 1989. Seawater: Its Composition, Properties and Behavior. Pergamon Press. England. Date=2016-06-15 User Id=gee-cee Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=Photosynthetically Active Radiation is the light in the whole wavelength band from 400 nm (deep violet) to 700 nm (dark red) used by plants in photosynthesis. New Value=Photosynthetically Active Radiation is the light in the whole wavelength band from 400 nm (deep violet) to 700 nm (dark red) used by plants in photosynthesis. Photosynthetically Active Radiation is the light in the whole wavelength band from 400 nm (deep violet) to 700 nm (dark red) used by plants in photosynthesis. 2016-06-15 08:46:28.0