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Satellite-Derived Shelf Slope Frontal Variability, Tail of the Grand Banks to Cape Hatteras James J. Bisagni Professor Department of Estuarine and Ocean Sciences University of Massachusetts, Dartmouth School for Marine Science and Technology New Bedford, Massachusetts, USA Supported by the National Science Foundation US-GLOBEC NW Atlantic Georges Bank Program

Satellite-Derived Shelf Slope Frontal Variability, Tail of the Grand Banks to Cape Hatteras

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Satellite-Derived Shelf Slope Frontal Variability, Tail of the Grand Banks to Cape Hatteras James J. Bisagni Professor Department of Estuarine and Ocean Sciences University of Massachusetts, Dartmouth School for Marine Science and Technology New Bedford, Massachusetts, USA. - PowerPoint PPT Presentation

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Page 1: Satellite-Derived Shelf  Slope  Frontal  Variability, Tail of the Grand Banks to Cape Hatteras

Satellite-Derived Shelf Slope Frontal Variability,Tail of the Grand Banks to Cape Hatteras

James J. BisagniProfessor

Department of Estuarine and Ocean SciencesUniversity of Massachusetts, Dartmouth

School for Marine Science and TechnologyNew Bedford, Massachusetts, USA

Supported by the National Science FoundationUS-GLOBEC NW Atlantic Georges Bank Program

Page 2: Satellite-Derived Shelf  Slope  Frontal  Variability, Tail of the Grand Banks to Cape Hatteras

Shelf Slope Front (SSF)

TGB

CH

2 SST (C) 32

Weekly “warmest-pixel” sea surface temperature (SST)satellite image centered on 18 May 1998

UMass Dartmouth

Page 3: Satellite-Derived Shelf  Slope  Frontal  Variability, Tail of the Grand Banks to Cape Hatteras

Shelf-Slope Front Position Annual Cycle, 1973-1992(Bisagni et al., 2006)

Offshore Onshore

Aug

Aug

Oct

Dec

Feb

Apr

Jun

TGBDHS

Page 4: Satellite-Derived Shelf  Slope  Frontal  Variability, Tail of the Grand Banks to Cape Hatteras

Offshore Onshore

Inter-annual variabilityof annual mean SSF position anomalies, 1973-2001

(Bisagni et al., 2009)

TGBCHDHS

No Data

No Data