DROUGHT FREQUENCY
type: Concept

DROUGHTS
type: Concept
change note: 2016-07-15 11:31:07.0 [saritz] Rename Concept update PrefLabel (DROUGHTS);
change note: 2019-09-17 12:47:28.0 [tstevens] Insert Concept add narrower relation (DROUGHTS [12a896f3-993d-49f6-aafc-17378ffa3998,86697] - DROUGHT SEVERITY [1a6b76b0-6c03-4021-92fb-66552edcf845,369199]);
change note: 2019-09-17 12:46:32.0 [tstevens] Insert Concept add narrower relation (DROUGHTS [12a896f3-993d-49f6-aafc-17378ffa3998,86697] - DROUGHT FREQUENCY [0f7f8887-844d-45d8-9d45-7e48e15c50fd,369195]);
change note: 2019-09-17 12:45:59.0 [tstevens] Insert Concept add narrower relation (DROUGHTS [12a896f3-993d-49f6-aafc-17378ffa3998,86697] - DROUGHT DURATION [ebd54a3b-8b8b-40e8-94fd-d0b4352e0745,369191]);
change note: 2016-07-01 12:56:14.0 [saritz] update Definition (A period of abnormally dry weather sufficiently long enough to cause a serious hydrological imbalance.); update Definition (Glossary of Meteorology, American Meteorological Society, 2016.);
definition: A period of abnormally dry weather sufficiently long enough to cause a serious hydrological imbalance.
in scheme: sciencekeywords

DROUGHT SEVERITY
type: Concept

WEATHER EVENTS
type: Concept

DROUGHT DURATION
type: Concept