File:Pressure ridge -- where two ice floes meet.jpg
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Summary
| Description |
English: A long ridge of ice that has formed when two floes of thick ice have been squeezed together by wind or ocean currents, with the ice breaking into chunks that pile upward and also downward below the ice. This ice is difficult to cross on foot or with sleds or snowmobiles. |
| Date | Unknown date |
| Source | http://sealevel2.jpl.nasa.gov/jr_oceanographer/oceanographer-holt.html |
| Author | Photos courtesy of Ben Holt and Susan Digby |
Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:25, 22 October 2008 | | 500 × 375 (29 KB) | Geo Swan | {{Information |Description={{en|1=A long ridge of ice that has formed when two floes of thick ice have been squeezed together by wind or ocean currents, with the ice breaking into chunks that pile upward and also downward below the ice. This ice is diffic |
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