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/ad497e7a-48fa-45e1-90a5-b052508bdb30 CORAL REEFS Date=2021-10-19 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=CORAL REEFS [ad497e7a-48fa-45e1-90a5-b052508bdb30,775014] - CORAL REEF EXTENT [7e24064a-7035-402a-ab9d-fa5e5c359720,778191] Date=2021-10-19 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=CORAL REEFS [ad497e7a-48fa-45e1-90a5-b052508bdb30,775014] - CORAL REEF ASSESSMENT [3edb3342-dab8-41d6-9f6a-28dd448528ec,778190] Date=2016-03-30 User Id=gee-cee Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=CORAL REEFS [ad497e7a-48fa-45e1-90a5-b052508bdb30,83777] - CORAL BLEACHING [f5df87b6-ed50-4da0-9ba5-7ce4c907bdb3,158721] A mass of calcium carbonate rock material derived from coral organisms,algae, mollusks, worms, etc. Also used as pertaining to the livingbiological aspects of the reef. 2021-10-19 08:40:11.0