Hydrological drought

{
  "id": "MLC-T-MET-006333",
  "term": "Hydrological drought",
  "field": "Meteorology and atmospheric science",
  "definition": "A period of unusually low streamflow, lake levels, or groundwater levels, resulting from prolonged meteorological drought and reduced water availability in the hydrological system. It manifests as a deficit in surface or subsurface water resources, impacting water supply, agriculture, and ecosystems. Its severity is often assessed by comparing current water levels to historical averages.",
  "url": "https://mlchart.com/terminology/meteorology/hydrological-drought/"
}