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/688191e0-c70c-4cf9-a5b6-a26a2bca7198 SEISMIC PROFILE Date=2017-03-10 User Id=tstevens Entity=Definition Operation=UPDATE Field=reference System Note=update Definition New Value=USGS Date=2013-03-07 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT User Note=Move Concepts System Note=add narrower relation New Value=SEISMIC PROFILE [688191e0-c70c-4cf9-a5b6-a26a2bca7198,63201] - SEISMIC SURFACE WAVES [02836842-3d46-46e0-a816-bd2f407f3fb3,63203] Date=2013-03-07 User Id=tbs1979 Entity=NarrowerRelation Operation=INSERT User Note=Move Concepts System Note=add narrower relation New Value=SEISMIC PROFILE [688191e0-c70c-4cf9-a5b6-a26a2bca7198,63201] - SEISMIC BODY WAVES [f66893ce-3ea6-4c52-bc27-bc322a41b748,63199] Date=2013-04-02 User Id=tbs1979 Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=Pertaining to the data collected on a seismic survey inorder to examine the subsurface structure of the Earth. New Value=Pertaining to the data collected on a seismic survey in order to examine the subsurface structure of the Earth. Pertaining to the data collected on a seismic survey in order to examine the subsurface structure of the Earth. 2017-03-10 11:14:09.0