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/5c52009f-2c44-4db1-b62b-135c6181bad2 CARBON Date=2024-09-26 User Id=tstevens Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=A nonmetallic element, with chemical symbol C, found combined with other elements in all organic matter and in a pure state as diamond or graphite. New Value=A nonmetallic element, with chemical symbol C, found combined with other elements in all organic matter and in a pure state as diamond or graphite. Date=2024-09-26 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 6f6537f5-773f-4df1-862b-d9ab80eb5e04 relationship type: null relationship value: null generated by: null A nonmetallic element, with chemical symbol C, found combined with other elements in all organic matter and in a pure state as diamond or graphite. 2024-09-26 10:06:43.0