https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 24.9 2026-09-30T10:52:06.201Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/9315c474-b65f-400d-beba-611c9a6a62cb CARBON 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 Date=2021-09-01 User Id=tstevens Entity=Definition Operation=UPDATE Field=reference System Note=update Definition New Value=United States Department of Agriculture Date=2024-12-17 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: a7ae5843-479c-4055-b8fc-ba651e485750 relationship type: null relationship value: null generated by: null Date=2021-09-01 User Id=tstevens Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=Any measure of the carbon content of the soil, in organic fractions or inorganic fractions. New Value=Any measure of the carbon content of the soil, in organic fractions or inorganic fractions. Any measure of the carbon content of the soil, in organic fractions or inorganic fractions. 2024-12-17 12:29:12.0