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/87b27ecd-c10b-4d41-8c49-b84f185c5bd4 GLACIER THICKNESS/ICE SHEET THICKNESS Date=2024-10-02 User Id=tstevens Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=Rice University Glacier Glossary, http://www.glacier.rice.edu/misc/glossary.html New Value=Rice University Glacier Glossary, http://www.glacier.rice.edu/misc/glossary.html Date=2024-10-02 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 5034ba1f-7208-40a1-beeb-43aefe1c0c33 relationship type: null relationship value: null generated by: null The difference in height between two levels in the glacier or ice sheet. 2024-10-02 10:38:23.0