NSF Org:	OPP Office of Polar Programs (OPP)
Recipient:	THE MARINE BIOLOGICAL LABORATORY
Initial Amendment Date:	August 14, 2009
Latest Amendment Date:	August 14, 2009
Award Number:	0839012
Award Instrument:	Standard Grant
Program Manager:	Peter Milne pmilne@nsf.gov  (703)292-4714 OPP  Office of Polar Programs (OPP) GEO  Directorate For Geosciences
Start Date:	August 15, 2009
End Date:	January 31, 2013 (Estimated)
Total Intended Award Amount:	$259,627.00
Total Awarded Amount to Date:	$259,627.00
Funds Obligated to Date:	FY 2009 = $259,627.00
ARRA Amount:	$259,627.00
History of Investigator:	Hugh Ducklow (Principal Investigator) hducklow@ldeo.columbia.edu
Recipient Sponsored Research Office:	Marine Biological Laboratory 7 M B L ST WOODS HOLE MA  US  02543-1015 (508)289-7243
Sponsor Congressional District:	09
Primary Place of Performance:	Marine Biological Laboratory 7 M B L ST WOODS HOLE MA  US  02543-1015
Primary Place of Performance Congressional District:	09
Unique Entity Identifier (UEI):	M2XKLRTA9G44
Parent UEI:	M2XKLRTA9G44
NSF Program(s):	ANT Organisms & Ecosystems
Primary Program Source:	01R00910DB RRA RECOVERY ACT
Program Reference Code(s):	0000, 6890, 9169, EGCH, OTHR
Program Element Code(s):	511100
Award Agency Code:	4900
Fund Agency Code:	4900
Assistance Listing Number(s):	47.082

ABSTRACT

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).

The Amundsen Sea Polynya is areally the most productive Antarctic polynya, exhibits higher chlorophyll levels during peak bloom and greater interannual variability than the better-studied Ross Sea Polynya ecosystem. Polynyas may be the key to understanding the future of polar regions as their extent is expected to increase with anthropogenic warming. The project will examine 1) sources of iron to the Amundsen Sea Polynya as a function of climate forcing, 2) phytoplankton community structure in relation to iron supply and mixed-layer depths, 3) the efficiency of the biological pump of carbon to depth and 4) the net flux of carbon as a function of climate and micronutrient forcing. The research also will compare results for the Amundsen Sea to existing data synthesis and modeling efforts for the Palmer LTER and Ross Sea. The project will 1) build close scientific collaborations between US and Swedish researchers; 2) investigate climate change implications with broad societal relevance; 3) train new researchers; 4) encourage participation in research science by underrepresented groups, and 5) involve broad dissemination of results via scientific literature and public outreach, including close interactions with NSF-supported PolarTrec and COSEE K-12 teachers

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