Ground Truth Trekking

Melting permafrost

Often exposed ice like this is on eroding coasts, but this fronted on a small pond. The sound of drips and dollops filled the expanding cave beneath the permafrost as the ice retreated in warm (>50 degree) air.

Download this image

Right-click on the size you want, and select "save link as..."

Image SizeFilesize
300 px44.5 KB
600 px77.7 KB
750 px116.9 KB
1600 px447.5 KB
Original11.5 MB

Embed this image

1) Select a size:

2) Cut and paste:


Attribution and Copyright info

Public Domain

This photo was taken during ShoreZone mapping in Alaska's arctic.