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Atmospheric and Oceanic Optics

2021 year, number 2

Rainfall measurements during summer 2020 with the optical rain gauge

V.V. Kalchikhin, A.A. Kobzev, A.A. Tikhomirov, D.E. Filatov
Institute of Monitoring of Climatic and Ecological Systems of the Siberian Branch of the Russian Academy of Sciences, Tomsk, Russia
Keywords: precipitation, measuring, optical precipitation gauge


Results of measurements of the amount of precipitation with an OPTIOS optical precipitation gauge together with a standard Tretyakov O-1 gauge during three summer months of 2020 are presented; a good agreement between the measurement results is shown. The comparison of the OPTIOS readings with the readings of a similar optical rain gauge mounted at a distance of 3 km, as well as with related data of the Tomsk weather station of the Roshydromet network located at a distance of 6 km, shows significant spatial variations in the characteristics of atmospheric precipitation. A possibility of using OPTIOS both as an automated gauge within a weather station and as a component of an observation precipitation gauge network is shown.