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/instruments/f3d76a99-1e2d-4acd-b6b2-c7185a20cfc7 2021-10-07 Line Transect Sampling Date=2021-10-07 User Id=tstevens Entity=Definition Operation=INSERT System Note=insert Definition New Value=id: null text: A line is traversed by an observer and perpendicular distances are measured from the line to each detected object. language code: en Date=2021-10-07 User Id=tstevens Entity=BroaderRelation Operation=INSERT User Note=Insert Concept System Note=add broader relation New Value=Line Transect Sampling [f3d76a99-1e2d-4acd-b6b2-c7185a20cfc7,763845] - Samplers [78c70202-ab05-40d6-90db-563be2a8dc90,755815] A line is traversed by an observer and perpendicular distances are measured from the line to each detected object. 2021-10-07 09:28:13.0