Remote sensing of aerosol properties during CARES

Evgueni Kassianov; James Barnard; Mikhail Pekour; Connor Flynn; Richard Ferrare; Chris Hostetler; John Hair; Bertram T. Jobson

doi:10.1117/12.897407

26 October 2011 Remote sensing of aerosol properties during CARES

Evgueni Kassianov, James Barnard, Mikhail Pekour, Connor Flynn, Richard Ferrare, Chris Hostetler, John Hair, Bertram T. Jobson

Author Affiliations +

Proceedings Volume 8177, Remote Sensing of Clouds and the Atmosphere XVI; 81770J (2011) https://doi.org/10.1117/12.897407
Event: SPIE Remote Sensing, 2011, Prague, Czech Republic

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.

Citation Download Citation

Evgueni Kassianov, James Barnard, Mikhail Pekour, Connor Flynn, Richard Ferrare, Chris Hostetler, John Hair, and 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); https://doi.org/10.1117/12.897407

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