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/0e06e528-e796-4b7c-9878-dbcb061d878d TREE RINGS Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 84510f18-a4e6-434c-a54c-44cc995e1af2 relationship type: null relationship value: null generated by: null Date=2024-10-24 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 6444fc67-8cad-41c0-9ded-e93f604ba8b0 relationship type: null relationship value: null generated by: null Tree Rings, also known as annual rings or growth rings, are a sheath ofcells appearing as one of a series of concentric rings in thecross-section of a woody stem. Each ring is usually the result of asingle yearly growth flush starting in spring and ceasing in late summer. 2024-10-24 09:58:12.0