Megacycle

{
  "id": "MLC-T-MET-007191",
  "term": "Megacycle",
  "field": "Meteorology and atmospheric science",
  "definition": "An extremely long-period cycle, typically spanning millions of years, used in geology and paleoclimatology to describe major Earth system changes. In the context of atmospheric science, it can refer to long-term climate oscillations driven by astronomical factors like Milankovitch cycles or tectonic processes. These cycles are identified through analysis of geological records, such as ice cores and sediment layers.",
  "see_also": [
    "megahertz"
  ],
  "url": "https://mlchart.com/terminology/meteorology/megacycle/"
}