| NSF Org: |
OCE Division Of Ocean Sciences |
| Recipient: |
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| Initial Amendment Date: | July 22, 2009 |
| Latest Amendment Date: | July 22, 2009 |
| Award Number: | 0928567 |
| Award Instrument: | Standard Grant |
| Program Manager: |
Bilal U. Haq
OCE Division Of Ocean Sciences GEO Directorate for Geosciences |
| Start Date: | September 1, 2009 |
| End Date: | August 31, 2013 (Estimated) |
| Total Intended Award Amount: | $388,732.00 |
| Total Awarded Amount to Date: | $388,732.00 |
| Funds Obligated to Date: |
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| ARRA Amount: | $388,732.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
3 RUTGERS PLZ NEW BRUNSWICK NJ US 08901-8559 (848)932-0150 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
3 RUTGERS PLZ NEW BRUNSWICK NJ US 08901-8559 |
| Primary Place of
Performance Congressional District: |
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| Unique Entity Identifier (UEI): |
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| Parent UEI: |
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| NSF Program(s): |
PHYSICAL OCEANOGRAPHY, Marine Geology and Geophysics |
| Primary Program Source: |
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| Program Reference Code(s): |
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| Program Element Code(s): |
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| Award Agency Code: | 4900 |
| Fund Agency Code: | 4900 |
| Assistance Listing Number(s): | 47.050 |
ABSTRACT
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-2).
The study will promote understanding of sediment dispersal in estuaries through an investigation of the Delaware River estuary. Coordinated studies of water-column sediment flux, deposition, and resuspension are planned and the PIs hope to establish the sediment trapping efficiency of the estuary as a function of external forcings, including river discharge, tides and wind. An array of instrumented moorings will be deployed to obtain continuous time-series records of flow and suspended-sediment concentration, and a suite of naturally occurring and anthropogenic radionuclides measured seasonally. Specific objectives are: 1) to identify the sources, transport pathways, and residence times of fine sediment based on distributions of 7Be, 210Pb, and 137Cs; 2) to asses the role of channel morphology on along- and across-estuary patterns of sediment transport and deposition using in-situ observations of sediment flux; and 3) to elucidate the mechanisms of sediment flux and trapping responsible for maintaining the estuary turbidity maximum, and which transfer sediment from the axial channel to subtidal flats.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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