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Title:STRUDEL SCOUR FORMATION OFF ARCTIC RIVER DELTAS
DOI No:10.1142/9789812709554_0445
Source:COASTAL ENGINEERING 2006 (pp 5312)
Author(s):Craig B. Leidersdorf, Principal
Coastal Frontiers Corp., 9420 Topanga Cyn Blvd, Chatsworth, CA 91311, USA

Gregory E. Hearon, Sr. Engr.
Coastal Frontiers Corp., 9420 Topanga Cyn Blvd, Chatsworth, CA 91311, USA

Kennon D. Vaudrey, President
Vaudrey & Associates, 1685 El Caserio, San Luis Obispo, CA 93401, USA

Greg Swank, Tech. Lead
BP Exploration (Alaska) Inc., PO Box 196612, Anchorage, AK 99519, USA

Abstract:Strudel scours form off Arctic river deltas each spring when river discharge drains through holes in the sea ice. The frequency and severity of scour formation are greater in the Primary Strudel Zone, which lies immediately offshore of the area covered by bottomfast ice, than in the Secondary Strudel Zone, which lies inshore of the Primary Zone. Strudel scours constitute a major design consideration for subsea pipelines, which can increase the frequency of scour formation due to radiant heat.
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