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/3798a6c9-9b39-4e22-bee4-be80d39049fe 2021-01-11 SEA SURFACE HEIGHT ANOMALY (SSHA) Date=2021-01-11 User Id=tstevens Entity=BroaderRelation Operation=INSERT User Note=Insert Concept System Note=add broader relation New Value=SEA SURFACE HEIGHT ANOMALY _SSHA_ [3798a6c9-9b39-4e22-bee4-be80d39049fe,560812] - SEA SURFACE HEIGHT [5c0b448c-7eb4-4e8c-8403-260cbb6114bb,85103] Date=2021-11-16 User Id=tstevens Entity=PrefLabel Operation=UPDATE Field=text System Note=update PrefLabel Old Value=SEA SURFACE HEIGHT ANOMALY _SSHA_ New Value=SEA SURFACE HEIGHT ANOMALY (SSHA) Difference of sea surface height and mean sea surface. Sea surface height may be corrected using models for effects such as tides and atmospheric forcing 2021-11-16 09:21:35.0