svinØy section a full-scale ocean climate laboratory in the norwegian atlantic current
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SVINØY SECTIONSVINØY SECTIONA full-scale ocean climate laboratory in the A full-scale ocean climate laboratory in the Norwegian Atlantic CurrentNorwegian Atlantic Current
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Warming of the Atlantic Inflow to the Norwegian Sea toward Arctic; 1995-2005 by
Kjell Arild Orvik and Øystein SkagsethGeophysical Inst., University of Bergen, and Marine Research Inst., Bergen
Outline- What causes the extreme warming- Connect it to dynamical processes in the North Atlantic- Strength of the Sub-Polar Gyre and interaction of water masses- Moored temp/current measurements the in Svinøy Section- Sea Surface High (SSH) observations from satellite altimeter- Empirical Orthogonal functions (EOF) methodology
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Major Pathways of Atlantic Water and extension of Atlantic Water inNorth Atlantic &Norwegin Sea, from SVP-drifters
Orvik & Niiler, GRL 2002
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Vertically integrated transport of Atlantic InflowOrvik, Skagseth & Mork, DSR 2001Orvik & Skagseth, CSR 2003
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Temperature,Velocity & Heat-flux variations in the core of the AI
Orvik & Skagseth, GRL 2005
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Timeseries of vT variationsConnected to variarions inV and TOrvik & Skagseth,GRL 2005
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EOF-mode 2: 13.4 % of Variance
Hakkinen & Rhines, 2004
Sea Surface High (SSH) fromTOPEX/Poseidon altimeter.1/3 deg resolution1-year mv-filter
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Time series of v and T in Svinøy Section updated to 2006 have been removed from thepresentation, contact the author if you need further details
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CONCLUSION
The warming of the Atlantic Inflow to the Norwegian Sea toward the Arctic Ocean 1995-2005 appears to be determined by the dynamic processes in the North Atlantic
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EOF-mode 1: 43.9 % of Variance
Hakkinen & Rhines, 2004
Sea Surface High (SSH) fromTOPEX/Poseidon altimeter.1/3 deg resolution1-year mv-filter