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Retrieving cloudy atmosphere parameters from RPG-HATPRO radiometer data

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Abstract

An algorithm for simultaneously determining both tropospheric temperature and humidity profiles and cloud liquid water content from ground-based measurements of microwave radiation is presented. A special feature of this algorithm is that it combines different types of measurements and different a priori information on the sought parameters. The features of its use in processing RPG-HATPRO radiometer data obtained in the course of atmospheric remote sensing experiments carried out by specialists from the Faculty of Physics of St. Petersburg State University are discussed. The results of a comparison of both temperature and humidity profiles obtained using a ground-based microwave remote sensing method with those obtained from radiosonde data are analyzed. It is shown that this combined algorithm is comparable (in accuracy) to the classical method of statistical regularization in determining temperature profiles; however, this algorithm demonstrates better accuracy (when compared to the method of statistical regularization) in determining humidity profiles.

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Authors and Affiliations

  1. Faculty of Physics, St. Petersburg State University, ul. Ul’yanovskaya 1, Petrodvorets, 198504, Russia

    V. S. Kostsov

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  1. V. S. Kostsov
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Correspondence to V. S. Kostsov.

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Kostsov, V.S. Retrieving cloudy atmosphere parameters from RPG-HATPRO radiometer data. Izv. Atmos. Ocean. Phys. 51, 156–166 (2015). https://doi.org/10.1134/S0001433815020085

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  • DOI: https://doi.org/10.1134/S0001433815020085

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