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Dynamics and water structures in the estuary of the Partizanskaya river (Nakhodka Bay, Sea of Japan)
Author(s) -
P. Yu. Semkin,
P. Ya. Tishchenko,
V. B. Lobanov,
A. F. Sergeev,
Yu. A. Barabanshchikov,
Т. А. Михайлик,
G. Yu. Pavlova,
А. В. Костылева,
Е. М. Шкирникова,
П. П. Тищенко,
Tatiana Chizhova
Publication year - 2019
Publication title -
водные ресурсы
Language(s) - English
Resource type - Journals
ISSN - 0321-0596
DOI - 10.31857/s0321-059646124-34
Subject(s) - halocline , estuary , river mouth , salinity , oceanography , bay , geology , hydrology (agriculture) , mixing (physics) , mouth bar , geomorphology , sediment , geotechnical engineering , sedimentary structures , physics , quantum mechanics , facies , structural basin
Herein, we report field studies of the seasonal and daily dynamics of the mixing zone in the micro-tidal mouth of the Partizanskaya river. The position of the mixing zone was determined according to the volume of river run-off. The upper boundary of the mixing zone was observed at 5 (at a river run-off of 73.67 m3/s) to 12.5 km (at 7.7 m3/s) from the mouth bar. The estuary is characterized by a two-layer circulation of water, which results in a halocline with a salinity gradient of up to 30% per 1 m. Variations of salinity in the rifts caused by tides reaches 27% over 3 h.

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