| NSF Org: |
AGS Division of Atmospheric and Geospace Sciences |
| Recipient: |
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| Initial Amendment Date: | September 19, 2005 |
| Latest Amendment Date: | August 7, 2007 |
| Award Number: | 0510461 |
| Award Instrument: | Continuing Grant |
| Program Manager: |
Anne-Marie Schmoltner
AGS Division of Atmospheric and Geospace Sciences GEO Directorate for Geosciences |
| Start Date: | October 1, 2005 |
| End Date: | September 30, 2008 (Estimated) |
| Total Intended Award Amount: | $320,597.00 |
| Total Awarded Amount to Date: | $320,597.00 |
| Funds Obligated to Date: |
FY 2006 = $88,753.00 FY 2007 = $90,838.00 |
| History of Investigator: |
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| Recipient Sponsored Research Office: |
105 JESSUP HALL IOWA CITY IA US 52242-1316 (319)335-2123 |
| Sponsor Congressional District: |
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| Primary Place of Performance: |
105 JESSUP HALL IOWA CITY IA US 52242-1316 |
| 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): | Atmospheric Chemistry |
| Primary Program Source: |
app-0106 app-0107 |
| 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 supports the deployment of a mobile elastic lidar system for measurements of the radiative properties of aerosols at various distances from Mexico City during the Megacity Impacts on Regional and Global Environments - Mexico City experiment (MIRAGE-Mex). The goal of MIRAGE is to study the chemical and physical transformations of gaseous and aerosol pollutants in the outflow from Mexico City, currently the world's second largest metropolitan area. This project involves the fielding of an elastic lidar system and supporting equipment. The use of a mobile lidar will allow the characterization of the location, concentration, extent and persistence of the Mexico City plume as it transports into the surrounding regions. The mobility of the system will allow connections to be made between aerosols in one area and their sources upwind. These measurements will help to address issues relating to changes in aerosol size, shape and composition with time. The lidars will provide information on the height, backscatter and attenuation coefficients and relative density of aerosols in the atmosphere, as well as the height of the boundary layer, the entrainment parameter, and the amount, height and optical depth of cloud layers. Ultimately, the information this proposal will provide will be used to develop methods to mitigate the effects of emissions into the atmosphere. The project will provide valuable research experience to several graduate students.
PUBLICATIONS PRODUCED AS A RESULT OF THIS RESEARCH
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