https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.8 2026-04-29T10:52:37.449Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/12a896f3-993d-49f6-aafc-17378ffa3998 DROUGHTS Date=2024-10-01 User Id=tstevens Entity=WeightedRelation Operation=INSERT System Note=insert WeightedRelation New Value=id: null related concept uuid: 115d340f-cb5e-4436-bfa4-04a740988bf7 relationship type: null relationship value: null generated by: null Date=2019-09-17 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=DROUGHTS [12a896f3-993d-49f6-aafc-17378ffa3998,86697] - DROUGHT DURATION [ebd54a3b-8b8b-40e8-94fd-d0b4352e0745,369191] Date=2016-07-15 User Id=saritz Entity=PrefLabel Operation=UPDATE Field=text User Note=Rename Concept System Note=update PrefLabel Old Value=DROUGHT New Value=DROUGHTS Date=2019-09-17 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=DROUGHTS [12a896f3-993d-49f6-aafc-17378ffa3998,86697] - DROUGHT SEVERITY [1a6b76b0-6c03-4021-92fb-66552edcf845,369199] Date=2019-09-17 User Id=tstevens Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=DROUGHTS [12a896f3-993d-49f6-aafc-17378ffa3998,86697] - DROUGHT FREQUENCY [0f7f8887-844d-45d8-9d45-7e48e15c50fd,369195] Date=2016-07-01 User Id=saritz Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=An extended interval of abnormally dry weather sufficiently prolonged for the lack of water to cause a serious hydrological imbalance (i.e., crop damage, water supply shortage, etc.) in the affected area. New Value=A period of abnormally dry weather sufficiently long enough to cause a serious hydrological imbalance. Date=2016-07-01 User Id=saritz Entity=Definition Operation=UPDATE Field=reference System Note=update Definition Old Value=Glossary of Weather and Climate, American Meteorological Society, 1996. New Value=Glossary of Meteorology, American Meteorological Society, 2016. A period of abnormally dry weather sufficiently long enough to cause a serious hydrological imbalance. 2024-10-01 10:31:26.0