Antarctic ozone hole

{
  "id": "MLC-T-MET-003544",
  "term": "Antarctic ozone hole",
  "field": "Meteorology and atmospheric science",
  "definition": "A severe depletion of stratospheric ozone over the Antarctic continent that occurs annually during the Southern Hemisphere spring (September to November). This phenomenon is primarily caused by chemical reactions involving human-made chlorofluorocarbons (CFCs) and polar stratospheric clouds in the extremely cold polar vortex. It results in significantly increased ultraviolet radiation reaching the surface.",
  "url": "https://mlchart.com/terminology/meteorology/antarctic-ozone-hole/"
}