Passive permafrost

{
  "id": "MLC-T-MET-007818",
  "term": "Passive permafrost",
  "field": "Meteorology and atmospheric science",
  "definition": "Permafrost that is no longer in equilibrium with the current climate conditions, meaning it is slowly degrading or thawing due to a warming trend. This type of permafrost is often a relict from a colder past climate and is not actively forming or maintaining its frozen state under present conditions. Its presence indicates past environmental conditions that were more conducive to permafrost formation.",
  "synonyms": [
    "fossil permafrost"
  ],
  "url": "https://mlchart.com/terminology/meteorology/passive-permafrost/"
}