All Images
News Release 14-085
Certain Arctic lakes store more greenhouse gases than they release
New research contradicts long-held assumption about the role of thermokarst lakes
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.

Thermokarst lakes occur as permafrost thaws and creates surface depressions that fill with melted freshwater.
Credit: Katey Walter Anthony / University of Alaska Fairbanks
Download the high-resolution JPG version of the image. (3.2 MB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.