Patterned ground resulting from repeated freeze and thaw cycles, looking NE from the Nanisivik airstrip on the Borden Peninsula, northern Baffin Island, Nunavut towards Bylot Island. August 2000
Worsleyneset at Lefdefjorden, north coast of Spitzbergen, Norway : gravel beaches surveyed in the early 20th century by Frank Worsley, later captain of Ernest Shackelton's ship 'Endurance' in the Antarctic. Photograph taken August 2008
Patterned ground resulting from repeated freeze and thaw cycles, or frost heave, at Worsleyneset, Lefdefjorden, north coast of Spitzbergen, Norway. August 2008