13 October 2008 Aerosol characterization and transport pathway using ground-based measurement and space borne remote sensing
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Abstract
Using two years measurements of aerosol extinction coefficient retrieval from CALIPSO as a joint NASA-CNES satellite mission along with ground-based measurements of particle mass concentration (PM2.5), we assess particulate matter air quality over different urban and periurban areas in France. In order to understanding the influence of the long range transport onto the local aerosol load we have focused on analysing of pollution event in Lille - urban area and Dunkerque - industrial area. We compared ground- based measurements with CALIPSO measurements. The CALIPSO level 2 aerosol records are more useful because the extinction coefficient is available. We use the extinction coefficient profiles which are provided by CALIPSO to depict the vertical structure of the aerosol properties. The combination of ground- based measurements of PM2.5, aerosol optical thickness (AOT's) obtained by Aeronet network data and CALIOP data enhances the possibilities of studying transport pathway of aerosol in the atmosphere and aerosol optical properties (aerosol extinction coefficient, aerosol optical depth, atmosphere transparency). The linear relationship between AOT _CALIPSO and AOT _ Aeronet network shows a slop of 0.4 in north of France. Moreover, we observed the good relationship between PM2.5 and AOT by CALIPSO profiles with a slope of 57.59 and correlation coefficient of 0.75 over France.
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Neda Boyouk, Neda Boyouk, Jean-François Léon, Jean-François Léon, Hervé Delbarre, Hervé Delbarre, "Aerosol characterization and transport pathway using ground-based measurement and space borne remote sensing", Proc. SPIE 7107, Remote Sensing of Clouds and the Atmosphere XIII, 71070Y (13 October 2008); doi: 10.1117/12.810867; https://doi.org/10.1117/12.810867
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