The Possible Influence of the NAO on the Mediterranean Outflow Water Path in the North Atlantic Alexandra Bozec 1 , Eric Chassignet 1 , George Halliwell 2 , Zulema Garraffo 2 , Susan Lozier 3 and Nicole M. Stewart 3 Hycom meeting, April, 24-26 1 Center for Ocean-Atmospheric Predictions Studies, Florida State University, Tallahassee, FL, USA 2 Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA 3 Division of Earth and Ocean Sciences, Duke University, Duke, NC, USA
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The Possible Influence of the NAO on the Mediterranean Outflow Water Path in the North Atlantic Alexandra Bozec 1, Eric Chassignet 1, George Halliwell.
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The Possible Influence of the NAO on the Mediterranean Outflow Water Path in the North
Atlantic
Alexandra Bozec1, Eric Chassignet1, George Halliwell2, Zulema Garraffo2, Susan Lozier3 and Nicole M. Stewart3
Hycom meeting, April, 24-26
1Center for Ocean-Atmospheric Predictions Studies, Florida State University, Tallahassee, FL, USA2Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, FL, USA3Division of Earth and Ocean Sciences, Duke University, Duke, NC, USA
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Outline
• Observations
• Parameterization of the MOW tongue in HYCOM
• Results in the 1/3° resolution HYCOM
• Future work
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From Lozier and Stewart, 2006
Observations
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NAO+ 1985-1994
Increasing salinity anomaly
NAO- 1960-1969
On σ1= 32.10; at MOW core
Lozier and Stewart, 2006
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Weak westerlies: NAO- Strong westerlies: NAO+
Lozier and Stewart, 2006
Contraction Expansion
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Comparison of the outflow representation in different model resolution of the ATL