Articles | Volume 18, issue 5
https://doi.org/10.5194/acp-18-3185-2018
https://doi.org/10.5194/acp-18-3185-2018
Research article
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06 Mar 2018
Research article | Highlight paper |  | 06 Mar 2018

Results from the Fourth WMO Filter Radiometer Comparison for aerosol optical depth measurements

Stelios Kazadzis, Natalia Kouremeti, Henri Diémoz, Julian Gröbner, Bruce W. Forgan, Monica Campanelli, Victor Estellés, Kathleen Lantz, Joseph Michalsky, Thomas Carlund, Emilio Cuevas, Carlos Toledano, Ralf Becker, Stephan Nyeki, Panagiotis G. Kosmopoulos, Viktar Tatsiankou, Laurent Vuilleumier, Frederick M. Denn, Nozomu Ohkawara, Osamu Ijima, Philippe Goloub, Panagiotis I. Raptis, Michael Milner, Klaus Behrens, Africa Barreto, Giovanni Martucci, Emiel Hall, James Wendell, Bryan E. Fabbri, and Christoph Wehrli

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Cited articles

Alexandrov, M. D., Marshak, A., Cairns, B., Lacis, A. A., and Carlson, B. E.: Automated cloud screening algorithm for MFRSR data, Geophys. Res. Lett., 31, L04118, https://doi.org/10.1029/2003GL019105, 2004.
Aoki, K., Hayasaka, T., Takemura, T., Nakajima, T., Kim, S. W., and Sohn, B. J.: Aerosol Optical Characteristics Measured by Sky Radiometers During the ABC/EAREX2005 Observation, Korea-Japan-China Joint Conference on Meteorology, Kintex Conference Center, 1–13 October, Goyang, Korea, 2006.
Augustine, J. A., DeLuisi, J., and Long, C. N.: SURFRAD – a national surface radiation budget network for atmospheric research, B. Am. Meteorol. Soc., 81, 2341–2357, 2000.
Augustine, J. A., Cornwall, C., Hodges, G., Long, C. N., Medina, C., and DeLuisi, J. J.: An automated method of MFRSR calibration for aerosol optical depth analysis with application to an Asian dust outbreak over the U.S., J. Appl. Meteorol., 42266–42277, 2003.
Augustine, J. A., Hodges, G. B., Dutton, E. G., Michalsky, J. J., and Cornwall, C. R.: An aerosol optical depth climatology for NOAA's national surface radiation budget network (SURFRAD), J. Geophys. Res., 113, D11204, https://doi.org/10.1029/2007JD009504, 2008.
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Aerosol optical depth measured from ground-based sun photometers is the most important parameter for studying the changes in the Earth's radiation balance due to aerosols. Representatives for various sun photometer types belonging to individual institutions or international aerosol networks gather every 5 years, for 3 weeks, in Davos, Switzerland, in order to compare their aeorosol optical depth retrievals. This work presents the results of the latest (fourth) filter radiometer intercomparison.
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