26 October 2011 Remote sensing of aerosol properties during CARES
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Abstract
One month of MFRSR data collected at two sites in the central California (USA) region during the CARES campaign are processed and the MFRSR-derived AODs at 500 nm wavelength are compared with available AODs provided by AERONET measurements. We find that the MFRSR and AERONET AODs are small (~0.05) and comparable. A reasonable quantitative agreement between column aerosol size distributions (up to 2 μm) from the MFRSR and AERONET retrievals is illustrated as well. Analysis of the retrieved (MFRSR and AERONET) and in situ measured aerosol size distributions suggests that the contribution of the coarse mode to aerosol optical properties is substantial for several days. The results of a radiative closure experiment performed for the two sites and one-month period show a favorable agreement between the calculated and measured broadband downwelling irradiances (bias does not exceed about 3 Wm-2), and thus imply that the MFRSR-derived aerosol optical properties are reasonable.
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Evgueni Kassianov, Evgueni Kassianov, James Barnard, James Barnard, Mikhail Pekour, Mikhail Pekour, Connor Flynn, Connor Flynn, Richard Ferrare, Richard Ferrare, Chris Hostetler, Chris Hostetler, John Hair, John Hair, Bertram T. Jobson, Bertram T. Jobson, } "Remote sensing of aerosol properties during CARES", Proc. SPIE 8177, Remote Sensing of Clouds and the Atmosphere XVI, 81770J (26 October 2011); doi: 10.1117/12.897407; https://doi.org/10.1117/12.897407
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