https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.8 2026-04-29T10:52:37.449Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/620a9e6c-5851-48b7-93c5-a1706546f5d1 2013-08-05 SPRING Date=2013-08-15 User Id=tbs1979 Entity=Definition Operation=INSERT System Note=insert Definition New Value=id: null text: A natural flow of water from the sub-surface to the surface. Usually occurs when the water table intersects the Earth's surface. language code: en Date=2013-08-05 User Id=tbs1979 Entity=BroaderRelation Operation=INSERT User Note=Insert Concept System Note=add broader relation New Value=SPRING [620a9e6c-5851-48b7-93c5-a1706546f5d1,105335] - FLUVIAL LANDFORMS [bdc0bd86-a3a3-48fa-b1fb-4ca5d13d4dde,105281] A natural flow of water from the sub-surface to the surface. Usually occurs when the water table intersects the Earth's surface. 2013-08-15 13:14:41.0