| NSF Org: |
OCE Division Of Ocean Sciences |
| Recipient: |
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| Initial Amendment Date: | August 2, 2007 |
| Latest Amendment Date: | August 2, 2007 |
| Award Number: | 0726984 |
| Award Instrument: | Standard Grant |
| Program Manager: |
Kandace Binkley
kbinkley@nsf.gov (703)292-7577 OCE Division Of Ocean Sciences GEO Directorate for Geosciences |
| Start Date: | October 1, 2007 |
| End Date: | March 31, 2011 (Estimated) |
| Total Intended Award Amount: | $625,120.00 |
| Total Awarded Amount to Date: | $625,120.00 |
| Funds Obligated to Date: |
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| History of Investigator: |
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| Recipient Sponsored Research Office: |
1500 SW JEFFERSON AVE CORVALLIS OR US 97331-8655 (541)737-4933 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
1500 SW JEFFERSON AVE CORVALLIS OR US 97331-8655 |
| 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): |
OCEAN TECH & INTERDISC COORDIN, BE: INSTRUM DEVELOP FOR ENV AC |
| 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
The PIs propose to develop a benthic tripod equipped with sensors to measure total benthic oxygen exchange by eddy-correlation, and diffusive benthic oxygen exchange and sediment oxygen penetration depth by microprofiling. A high resolution digital camera will provide time-series images of the sediment surface area that contributes to the flux.
The new system for measuring Benthic OXygen Exchange Rate (BOXER) will be utilized in a completely autonomous mode during this project but will also be designed to receive power and transmit data if connected through cables to a benthic node of a coastal observatory. BOXER measurements will be performed at least seasonally between July 2008 and December 2009, but also over shorter time-scales during parts of the year. By coordinating these measurements with a network of other oceanographic observations and field programs, The PIs will address the hypothesis that benthic exchange rates are temporally variable and controlled predictably by forcing events such as the spring transition (wind) and onset of plankton blooms associated with upwelling events (carbon flux).
Broader Impacts
The combined measurements proposed here and the connection to and collaboration with other projects focusing on the Oregon Continental Shelf will provide new valuable information on the oxygen and carbon exchange dynamics for the Shelf. This work represent a pioneering effort in adapting eddy-correlation to long term monitoring facilities, which is the only way to get in depth insight on seasonal element cycling in these important environments. The project has high potential to serve as a platform for education and training of students. The PI has an excellent track record of training excellent scientists. Hosting REU students and integrating some of this work into a marine technology class nicely compliment the standard graduate training.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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