https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.9 2026-05-13T10:52:13.516Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/1886b524-1f51-447d-9805-d40859739a0e 2018-03-07 NITROGEN COMPOUNDS Date=2018-03-07 User Id=tstevens Entity=BroaderRelation Operation=INSERT User Note=Insert Concept System Note=add broader relation New Value=NITROGEN COMPOUNDS [1886b524-1f51-447d-9805-d40859739a0e,310697] - WATER CHARACTERISTICS [f7e97dc3-1181-41b5-8b90-946eb2504110,310633] Date=2018-03-07 User Id=tstevens Entity=Definition Operation=INSERT System Note=insert Definition New Value=id: null text: Refers to the nitrogen particles that come from industrial manufacturing which cause contamination to water resources. language code: en Date=2024-10-01 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 644e0f53-98a2-4512-a228-00f5e61fd93d relationship type: null relationship value: null generated by: null Refers to the nitrogen particles that come from industrial manufacturing which cause contamination to water resources. 2024-10-01 09:54:39.0