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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union

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Atmos. Meas. Tech., 4, 523-534, 2011
https://doi.org/10.5194/amt-4-523-2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
14 Mar 2011
Retrieval of aerosol mass load (PM10) from MERIS/Envisat top of atmosphere spectral reflectance measurements over Germany
G. J. Rohen1,*, W. von Hoyningen-Huene1, A. Kokhanovsky1, T. Dinter1, M. Vountas1, and J. P. Burrows1 1Institute of Environmental Physics (IUP), University of Bremen, Otto-Hahn-Allee 1, 28359 Bremen, Germany
*now at: Alfred-Wegener-Institute for Polar and Marine Research, Bussestr. 24, 27570 Bremerhaven, Germany
Abstract. Results of a new methodology for retrievals of surface particulate matter concentration (PM10) from satellite reflectance measurements over Germany are presented in this paper. The retrieval derives effective radii from Ångström-α exponents and benefits from the fitting of a smooth spectral slope from seven MERIS spectrometer channels. Comparisons with ground measurements from the air quality surveillance show standard deviations of 33.9% with −18.9% bias over Hamburg. Over rural sites a standard deviation of 17.9% (bias 12.9%) is reached.

We discuss critically limitations and potential applications of the retrieval. Additionally, we talk about the aspects at comparing of retrieved particulate matter with ground station measurements.


Citation: Rohen, G. J., von Hoyningen-Huene, W., Kokhanovsky, A., Dinter, T., Vountas, M., and Burrows, J. P.: Retrieval of aerosol mass load (PM10) from MERIS/Envisat top of atmosphere spectral reflectance measurements over Germany, Atmos. Meas. Tech., 4, 523-534, https://doi.org/10.5194/amt-4-523-2011, 2011.
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