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/ca154e02-a226-4cc7-8e4a-4474e7eb1eeb MARINE ENVIRONMENT MONITORING Date=2021-10-19 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=MARINE ENVIRONMENT MONITORING [ca154e02-a226-4cc7-8e4a-4474e7eb1eeb,775225] - MARINE SURFACE ELEMENTS [e6c6507d-59dd-49f4-9afa-bb7393a718c6,778193] Date=2021-10-19 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=MARINE ENVIRONMENT MONITORING [ca154e02-a226-4cc7-8e4a-4474e7eb1eeb,775225] - ENFORCEMENT [43763945-ceea-4716-8e77-068393300a7e,778197] Date=2021-10-19 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=MARINE ENVIRONMENT MONITORING [ca154e02-a226-4cc7-8e4a-4474e7eb1eeb,775225] - MARINE SUBMERGED DEBRIS [8e5371ad-4e70-48cf-9109-bfe995b7230c,778196] The act of watching,keeping track of or checking the ocean(pelagic orbottom conditions) for a special purpose. 2021-10-19 09:08:13.0