| NSF Org: |
OCE Division Of Ocean Sciences |
| Recipient: |
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| Initial Amendment Date: | August 10, 2009 |
| Latest Amendment Date: | February 19, 2013 |
| Award Number: | 0851380 |
| Award Instrument: | Standard Grant |
| Program Manager: |
Thomas Janecek
OCE Division Of Ocean Sciences GEO Directorate for Geosciences |
| Start Date: | August 15, 2009 |
| End Date: | September 30, 2013 (Estimated) |
| Total Intended Award Amount: | $988,186.00 |
| Total Awarded Amount to Date: | $988,186.00 |
| Funds Obligated to Date: |
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| ARRA Amount: | $988,186.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
110 INNER CAMPUS DR AUSTIN TX US 78712-1139 (512)471-6424 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
110 INNER CAMPUS DR AUSTIN TX US 78712-1139 |
| 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 DRILLING PROGRAM |
| 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). The proposed work is to examine changes in structural and physical properties along the southern Costa Rica subduction zone using 3D seismic imaging. At this location the plate boundary transitions from stable sliding to unstable sliding. Understanding subduction zone processes is important for assessing geologic hazards such as earthquakes and tsunamis in these environments. In the proposed work, seismically imaged structures will be used to address several fundamental problems such as 1) the structure and nature of large sediment lenses that are being subducted; b) the effects of existing seafloor topography on subduction processes; c) the changes in plate boundary fault geometry along the trench; and d) the variations in the structure of the upper plate along the subduction zone. This work will support the education and training of graduate students. There is international collaboration with scientists from Spain, Germany and Costa Rica. There is also a component of industry support.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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