Lithological and Hydrological Conditions of the Flotation of Beach Sediments (on the Example of Sakhalin Island)
https://doi.org/10.31857/S0869607120020020
Abstract
The article concerns flotation as one of the processes of lithodynamics in the coastal zone. Flotation has been known for a long time, the first information about it has appeared at the end of the 19th century, but often had the character of small popular science notes about the phenomenon. In the 1930s V.P. Zenkovich noted the importance of this process in the lithodynamics of the coastal zone. However, there were few detailed works devoted to the causes of flotation, the features of the manifestation, and the size of sediments until the end of the 20th century. There are several results based on a detailed approach to the study of this process in foreign publications. But even after the works, the descriptive part of this process is far from complete. The lithological characteristic and description of the hydrological conditions of the manifestation of flotation near Mulovsky cape on Sakhalin are given. The dimensional characteristics of flotated and beach sediments are presented and compared: coefficients of flatness and sphericity of fragments, kurtosis and skew of grain size distribution, and roundness of fragments. The flotted fragments are better flatteny and less spherical in comparison with beach sediments, and their roundness is slightly better than that of beach ones.
About the Author
A. O. Gorbunov
Institute of marine geology and geophysics FEB RAS
Russian Federation
Russian Federation
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Review
For citations:
Gorbunov A.O. Lithological and Hydrological Conditions of the Flotation of Beach Sediments (on the Example of Sakhalin Island). Proceedings of the Russian Geographical Society. 2020;152(2):43-54. (In Russ.) https://doi.org/10.31857/S0869607120020020
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