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Astronomy Reports - Distance dependences of interstellar extinction ( $${{A}_{V}}(d)$$ ) for a number of high-latitude areas of the southern sky were obtained using the data of the RAVE DR6... 相似文献
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D. Ya. Fashchuk T. M. Avdeeva A. P. Egorov O. A. Petrenko A. V. Leonov 《Water Resources》2006,33(1):38-55
The results of long-term seasonal oceanographic observations conducted by YugNIRO from 1955 to 1991 in standard cross-sections on the northwestern shelf of the Black Sea and data obtained by monitoring oil and chemical pollution of the marine environment from 1987 to 1993 in the area of gas deposit development are systematized and statistically treated. The oceanographic conditions of pollution field formation in this region are studied. The dynamics and distribution of total concentrations of oil products and microelements (Hg, Cu, Pb, Cd, and Cr) in water and bottom sediments are examined in the areas in Karkinitskii Bay where permanent offshore platforms are operated. The obtained results are compared with data on the background environmental pollution of the Black Sea and World Ocean. A hypothesis is offered to elucidate the possible causes and mechanisms through which offshore gas production affects the hydrochemical conditions on the shelf. The monitoring data are said to be a necessary information basis for the prediction of pollution dynamics in Karkinitskii Bay with the use of a box-type hydroecological model of petroleum hydrocarbon biotransformations in water, and approaches for the use of these data for this purpose are outlined. 相似文献
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The application of the Monte Carlo method for modelling small-scale turbulence in the ocean is considered. It is found that the origin of new patches is the main source which maintains statistically stationary turbulence. The short lifetime of turbulence in patches results in intermittency and log-normality of the dissipation rate distribution functions.Translated by Mikhail M. Trufanov. 相似文献
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