https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.6 2026-03-19T10:41:57.720Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/a47ab696-7ed9-4374-8965-c8996e61463d SEA ICE MOTION Date=2021-10-21 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=SEA ICE MOTION [a47ab696-7ed9-4374-8965-c8996e61463d,774858] - SEA ICE DIRECTION [ab411758-5abe-4a89-9319-97eba1510cda,778240] Date=2021-10-21 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=SEA ICE MOTION [a47ab696-7ed9-4374-8965-c8996e61463d,774858] - SEA ICE SPEED [ad4646f8-bf09-4751-9072-e6cec59af253,778241] Refers to the movement and direction of ice fields or floes. Ice motion processes include: diverging, compacting, and shearing. 2021-10-21 09:33:39.0