Grease ice forming as the Arctic Ocean cools with the approaching winter. Note damping effect of ice on small wind waves. See: http://www.naturalsciences.org/education/arctic/

Image ID: arct0013, NOAA At The Ends of the Earth Collection
Location: Arctic Ocean, north of western Russia
Photo Date: 2006 August 31
Photographer: Mike Dunn, NC State Museum of Natural Sciences
Credit: NOAA Climate Program Office, NABOS 2006 Expedition

• High Resolution Photo Available