Award Abstract # 0725965
Inverse Modeling of the Glacial Atlantic: An Expanded Tracer Data Set

NSF Org: OCE
Division Of Ocean Sciences
Recipient: WOODS HOLE OCEANOGRAPHIC INSTITUTION
Initial Amendment Date: July 30, 2007
Latest Amendment Date: July 30, 2007
Award Number: 0725965
Award Instrument: Standard Grant
Program Manager: Bilal U. Haq
OCE
 Division Of Ocean Sciences
GEO
 Directorate for Geosciences
Start Date: August 1, 2007
End Date: July 31, 2010 (Estimated)
Total Intended Award Amount: $250,814.00
Total Awarded Amount to Date: $250,814.00
Funds Obligated to Date: FY 2007 = $250,814.00
History of Investigator:
  • William Curry (Principal Investigator)
    wcurry@whoi.edu
Recipient Sponsored Research Office: Woods Hole Oceanographic Institution
266 WOODS HOLE RD
WOODS HOLE
MA  US  02543-1535
(508)289-3542
Sponsor Congressional District: 09
Primary Place of Performance: Woods Hole Oceanographic Institution
266 WOODS HOLE RD
WOODS HOLE
MA  US  02543-1535
Primary Place of Performance
Congressional District:
09
Unique Entity Identifier (UEI): GFKFBWG2TV98
Parent UEI:
NSF Program(s): Marine Geology and Geophysics
Primary Program Source: app-0107 
Program Reference Code(s): 0000, 1304, OTHR
Program Element Code(s): 162000
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.050

ABSTRACT

Inverse Modeling of the Glacial Atlantic: An Expanded Tracer Data Set

William Curry
Woods Hole Oceanographic Institution

Abstract


The proposed project will perform new stable isotope and elemental (Zn/Ca and Cd/Ca) analyses on benthic foraminifera from a suite of cores in the southwestern quadrant of the North Atlantic and use these data to augment existing data from these proxies. The data will fill in gaps identified by preliminary runs of an inverse modeling technique to more completely constrain the circulation and water column respiration of the Atlantic during the Last Glacial Maximum. The Last Glacial Maximum is one of very few periods in the geological record with adequate data coverage to incorporate tracer data into an inverse model of ocean circulation. Yet the data for the LGM are still incomplete. This project will go far to improve the data base, and also the chances that modelers will be able make robust inferences about the rates of glacial circulation. The proposed project will involve graduate students as well as a Summer Student Fellow (undergraduate).

PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH

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Oliver Marchal and William Curry "On the Abyssal Circulation of the Glacial Atlantic" Journal of Physical Oceanography , v.38 , 2008 , p.214 DOI 10.1175/2008JPO3895.1

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