Thursday, August 15, 2013

Strudel scour - erosion of the sea floor by fresh water plummeting through ice into the sea.

"causes scour depressions more than 4 m deep and as much as 20 m or more across in the sea floor below"
http://m.jsedres.geoscienceworld.org/content/44/2/409.abstract

They are a risk to subsea oil factories: 
http://m.popsci.com/technology/article/2013-03/under-sea
"...warm river water that bores through sea ice and creates a downward jet of water that exposes buried pipelines"

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