Application of satellite data for three-dimensional monitoring of PM2.5 formation and transport in San Joaquin Valley, California

Rebecca Rosen; Allen Chu; James J. Szykman; Russell DeYoung; J. A. Al-Saadi; Ajith Kaduwela; Carol Bohnenkamp

doi:10.1117/12.681649

1 September 2006 Application of satellite data for three-dimensional monitoring of PM_2.5 formation and transport in San Joaquin Valley, California

Rebecca Rosen, Allen Chu, James J. Szykman, Russell DeYoung, J. A. Al-Saadi, Ajith Kaduwela, Carol Bohnenkamp

Author Affiliations +

Proceedings Volume 6299, Remote Sensing of Aerosol and Chemical Gases, Model Simulation/Assimilation, and Applications to Air Quality; 629904 (2006) https://doi.org/10.1117/12.681649
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

High resolution (5x5 km2 horizontal resolution) retrievals of aerosol optical depth (AOD) from the MODerate Resolution Imaging Spectroradiometer (MODIS) instruments aboard NASA's Aqua and Terra satellite platforms have been examined. These data products have been compared to coincident, hourly measurements of ground-based PM-2.5 routinely obtained by the San Joaquin Valley Air Pollution Control District (SJV APCD) and California Air Resources Board (CARB) and to airborne light detection and ranging (lidar) aerosol scattering measurements obtained by NASA in July 2003 in San Joaquin Valley (SJV). Comparison of MODIS AOD to ground based PM-2.5 measurement shows significant improvement for the higher resolution MODIS AOD. Lidar aerosol scattering measurements correspond well to MODIS AOD during a variety of atmospheric conditions, and throughout the SJV. Future lidar measurements are proposed to establish a high resolution vertical link between satellite and ground-based measurements during the winter. With the data from these two episodes, we plan to characterize the horizontal, vertical, and temporal distribution of PM-2.5 in SJV and evaluate the need for future intensive ground-based measurement and modeling studies in SJV.

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Rebecca Rosen, Allen Chu, James J. Szykman, Russell DeYoung, J. A. Al-Saadi, Ajith Kaduwela, and Carol Bohnenkamp "Application of satellite data for three-dimensional monitoring of PM_2.5 formation and transport in San Joaquin Valley, California", Proc. SPIE 6299, Remote Sensing of Aerosol and Chemical Gases, Model Simulation/Assimilation, and Applications to Air Quality, 629904 (1 September 2006); https://doi.org/10.1117/12.681649

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