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Role of tides in Arctic ocean/ice climate
Authors
Andrey Proshutinsky
Arbic
+72 more
Bareiss
Battisti
Bitz
Bitz
Bourke
Briegleb
Cartwright
DeWeaver
Dmitriev
Eisen
Environmental Working Group (EWG)
Environmental Working Group (EWG)
Greg Holloway
Heil
Hibler
Hofmann
Holland
Holloway
Holloway
Jayne
Johnson
Karcher
Karcher
Kauker
Knutson
Koeberle
Koentopp
Kowalik
Kowalik
Kowalik
Kozo
Kwok
Litke
Martin
Mauritzen
Morales Maqueda
Moritz
Murty
Nansen
Nansen
Osborn
Padman
Padman
Padman
Padman
Padman
Parkinson
Parsons
Pease
Pease
Plueddemann
Polyakov
Polyakov
Prather
Prinsenberg
Proshutinsky
Proshutinsky
Proshutinsky
Rahmstorf
Robertson
Robertson
Semtner
Simmons
Simmons
St. Laurent
St. Laurent
Steele
Steiner
Sverdrup
Uotilla
Weatherly
Zubov
Publication date
28 March 2007
Publisher
'American Geophysical Union (AGU)'
Doi
Cite
Abstract
Author Posting. © American Geophysical Union, 2007. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research 112 (2007): C04S06, doi:10.1029/2006JC003643.A three-dimensional coupled ocean/ice model, intended for long-term Arctic climate studies, is extended to include tidal effects. From saved output of an Arctic tides model, we introduce parameterizations for (1) enhanced ocean mixing associated with tides and (2) the role of tides fracturing and mobilizing sea ice. Results show tides enhancing loss of heat from Atlantic waters. The impact of tides on sea ice is more subtle as thinning due to enhanced ocean heat flux competes with net ice growth during rapid openings and closings of tidal leads. Present model results are compared with an ensemble of nine models under the Arctic Ocean Model Intercomparison Project (AOMIP). Among results from AOMIP is a tendency for models to accumulate excessive Arctic Ocean heat throughout the intercomparison period 1950 to 2000 which is contrary to observations. Tidally induced ventilation of ocean heat reduces this discrepancy.This research is supported by the National Science Foundation Office of Polar Programs under cooperative agreements OPP-0002239 and OPP-0327664 with the International Arctic Research Center, University of Alaska Fairbanks
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