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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	13:25, 22 October 2008		500 × 375 (29 KB)	wikimediacommons>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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