https://www.usgs.gov/media/images/methane-bubbles-trapped-thermokarst-lake-ice
Methane bubbles trapped in thermokarst lake ice | U.S. Geological Survey
When ice-rich permafrost thaws, former tundra and forest turns into a thermokarst lake as the ground subsides. The carbon stored in the formerly frozen ground...
thermokarst lakemethanebubblestrapped