Frost mound

{
  "id": "MLC-T-MET-005831",
  "term": "Frost mound",
  "field": "Meteorology and atmospheric science",
  "definition": "A localized upheaval of the ground surface caused by the expansion of ice within the soil. These mounds form when water in the soil freezes and expands, pushing the overlying material upward. They are common in permafrost regions and can vary in size from small hummocks to large pingo-like structures.",
  "synonyms": [
    "ice mound",
    "ground ice mound"
  ],
  "see_also": [
    "pingo",
    "earth hummock",
    "ground ice",
    "frost blister"
  ],
  "url": "https://mlchart.com/terminology/meteorology/frost-mound/"
}