| NSF Org: |
OCE Division Of Ocean Sciences |
| Recipient: |
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| Initial Amendment Date: | September 18, 2009 |
| Latest Amendment Date: | September 18, 2009 |
| Award Number: | 0926875 |
| Award Instrument: | Standard Grant |
| Program Manager: |
Donald L. Rice
OCE Division Of Ocean Sciences GEO Directorate for Geosciences |
| Start Date: | September 15, 2009 |
| End Date: | August 31, 2013 (Estimated) |
| Total Intended Award Amount: | $563,373.00 |
| Total Awarded Amount to Date: | $563,373.00 |
| Funds Obligated to Date: |
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| ARRA Amount: | $563,373.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
75 LOWER COLLEGE RD RM 103 KINGSTON RI US 02881-1974 (401)874-2635 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
75 LOWER COLLEGE RD RM 103 KINGSTON RI US 02881-1974 |
| 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): | Chemical Oceanography |
| 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 111-5)."
Although the various pathways of nitrogen exchange at the sediment-water interface are critical to our understanding of ecosystem functions, existing nitrogen budgets underestimate the amount of nitrogen fixation taking place in the open ocean and marine sediments. Recent findings regarding the role of nitrogen fixation and denitrification in coastal systems suggest that nitrogen fixation may play a more significant role than previously believed. To address this, marine chemists from the Marine Biological Laboratory, Boston University, and the University of Rhode Island are examining the role of nitrogen fixation and the environmental controls of the N2 flux in coastal shelf sediments. Using a mixture of field sampling and laboratory analyses, these scientists will identify the organisms responsible for nitrogen fixation and trace the fate of nitrogen fixed in marine sediments. The results from this research will enhance the understanding of the environmental factors that control the nitrogen balance of marine ecosystems and the oceans as a whole. In addition to this research providing a greater understanding of the marine nitrogen cycle, it will provide outreach and education opportunities for the Girls Scouts of Rhode Island, as well as, support for multiple graduate students.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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