Earth hummock

{
  "id": "MLC-T-MET-005221",
  "term": "Earth hummock",
  "field": "Meteorology and atmospheric science",
  "definition": "A small, rounded mound of soil and vegetation found in periglacial environments, formed by freeze-thaw cycles. These features result from differential frost heaving, where ice lenses grow and push the ground surface upward. Earth hummocks are a form of patterned ground indicative of permafrost or seasonally frozen ground and can be a few decimeters to over a meter in height.",
  "synonyms": [
    "earth mound",
    "knoll"
  ],
  "url": "https://mlchart.com/terminology/meteorology/earth-hummock/"
}