Analysis of the relationship between MODIS aerosol optical depth and PM2.5 in the summertime US

D. Allen Chu

doi:10.1117/12.678841

1 September 2006 Analysis of the relationship between MODIS aerosol optical depth and PM_2.5 in the summertime U.S.

D. Allen Chu

Proceedings Volume 6299, Remote Sensing of Aerosol and Chemical Gases, Model Simulation/Assimilation, and Applications to Air Quality; 629903 (2006) https://doi.org/10.1117/12.678841
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

MODIS aerosol optical depth (AOD) product provides a quantitative measure of columnar aerosol abundance over both land and ocean. The satellite-derived AOD has shown to correlate with surfaced-measured PM2.5 (particulate matter particulate matter with aerodynamic diameter < 2.5 μm) concentration. The timely MODIS AOD product from direct broadcasting facilitates near real-time (1-2 hours after satellite overpass) monitoring of PM distribution and movement over the continental US the Infusing Satellite into Environmental Application (IDEA) (http://idea.ssec.wisc.edu). Many questions, however, are raised in regard to correlation between AOD and PM2.5. In this paper, we characterize the correlation between MODIS AOD and surface-measured PM2.5 in different conditions and introduce mean absolute error as a second measure to help assess satellite derived AOD for air quality application.

Citation Download Citation

D. Allen Chu "Analysis of the relationship between MODIS aerosol optical depth and PM_2.5 in the summertime U.S.", Proc. SPIE 6299, Remote Sensing of Aerosol and Chemical Gases, Model Simulation/Assimilation, and Applications to Air Quality, 629903 (1 September 2006); https://doi.org/10.1117/12.678841

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