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Alekseeva T. A. Raev M. D. Tikhonov V. V. Sokolova J. V. Sharkov E. A. Frolov S. V. Serovetnikov S. S. 《Izvestiya Atmospheric and Oceanic Physics》2021,57(9):1076-1080
Izvestiya, Atmospheric and Oceanic Physics - The Arctic Sea ice area, calculated by the VASIA2 algorithm using the SSMIS data during the most intensive melting of the ice cover in 2019, is compared... 相似文献
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V. V. Tikhonov I. A. Repina M. D. Raev E. A. Sharkov D. A. Boyarskii N. Yu. Komarova 《Izvestiya Atmospheric and Oceanic Physics》2015,51(9):914-928
In this paper, a new algorithm for determining the concentration of the ice cover in Polar Regions by data of satellite microwave radiometry is considered. The technique of its construction is described in detail; it cardinally differs from the technique of creating present-day algorithms. The new algorithm demonstrates good results in determining the concentration of the ice cover in Polar Regions. The algorithm permits one not only to obtain maps of ice concentration, but also to determine areas of puddles covering the ice-cover surface in summer months. The algorithm is easy-to-use and requires no additional or fitting parameters. At the end of the work, advantages and disadvantages of the new algorithm are discussed. 相似文献
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In 1982, the Central Laboratory for Geodesy (CLG) started a long-term study of the recent crustal movements in a local test area in a mobile region located southwards of Sofia.The recent geodynamic conditions and the deep structure of the Earth's crust in this region are described.Data on the local network of precise leveling are given-the scheme and characteristics of the loops, benchmarks and their monumentation. A first geodynamic analysis of the results of the first and third cycles of measurements is made, a map of the module of horizontal gradient of vertical velocity has been elaborated. The results obtained corroborate the reasons for the selection of this geodynamic test area. 相似文献
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Izvestiya, Atmospheric and Oceanic Physics - In this paper, a combined method for measuring the velocity vector of surface currents using a modernized dual-polarization 3-cm range radar is we... 相似文献
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Alekseeva T. A. Sokolova J. V. Tikhonov V. V. Smolyanitsky V. M. Afanasyeva E. V. Raev M. D. Sharkov E. A. 《Izvestiya Atmospheric and Oceanic Physics》2021,57(12):1690-1704
Izvestiya, Atmospheric and Oceanic Physics - In the period of intense ice melting, algorithms retrieving sea-ice concentration from satellite microwave radiometry (SMR) data may fail to detect vast... 相似文献
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