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Award Abstract #0632154
IPY: COLLABORATIVE RESEARCH: The Pacific Gateway to the Arctic- Quantifying and Understanding Bering Strait Oceanic Fluxes
| NSF Org: |
ARC
Arctic Sciences Division
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| Initial Amendment Date: |
February 23, 2007 |
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| Latest Amendment Date: |
February 13, 2009 |
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| Award Number: |
0632154 |
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| Award Instrument: |
Continuing grant |
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| Program Manager: |
William J. Wiseman, Jr.
ARC Arctic Sciences Division
OPP Office of Polar Programs
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| Start Date: |
March 1, 2007 |
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| Expires: |
February 28, 2010 (Estimated) |
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| Awarded Amount to Date: |
$1071793 |
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| Investigator(s): |
Rebecca Woodgate woodgate@apl.washington.edu (Principal Investigator)
Ronald Lindsay (Co-Principal Investigator)
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| Sponsor: |
University of Washington
4333 Brooklyn Ave NE
SEATTLE, WA 98195 206/543-4043
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| NSF Program(s): |
AON IMPLEMENTATION
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| Field Application(s): |
0311000 Polar Programs-Related
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| Program Reference Code(s): |
OTHR, 5295, 1079, 0000
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| Program Element Code(s): |
5293
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ABSTRACT
Woodgate - 0632154
Weingartner - 0631713
Funds are provided for an observationally focused study of the entire Bering Strait region (in collaboration with Russian, Canadian and Japanese scientists). The study will include deployment of a high resolution mooring array from 2007-2009, covering the two channels of the strait and one "climate" site to the north of the strait, annual CTD surveys and mooring servicing, satellite data analysis and theoretical and modeling efforts. Science objectives are:
1) to measure the velocities and water properties of the Bering Strait throughflow;
2) to understand the physical processes influencing the properties of the Bering Strait throughflow, with special focus on mechanisms driving change, and consequent impacts on the Arctic Ocean;
3) to quantify oceanic fluxes of volume, freshwater, heat, nutrients and chlorophyll biomass through the strait;
4) to design an optimum monitoring system for oceanic fluxes through the Bering Strait.
The PIs' hypotheses are that Bering Strait throughflow properties are set by global and regional oceanic and atmospheric processes, which are vulnerable to climate change, and that understanding the physical processes and scalings in the strait are key to quantifying current conditions, assessing future change scenarios, and designing an efficient observational scheme for this oceanic gateway.
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