CONTENT OF SUSPENDED SUBSTANCES IN MACROPRIENT ESTUARIES OF THE WHITE AND BARENTS SEA RIVERS

Authors

  • I. V. Miskevich Shirshov Institute of Oceanology, Russian Academy of Sciences
  • A. V. Leshchev Shirshov Institute of Oceanology, Russian Academy of Sciences

DOI:

https://doi.org/10.29006/1564-2291.JOR-2021.49(2).5

Keywords:

Suspended matter, estuary, macrotidal conditions, White Sea, Barents Sea, low water, statistics, bottom sediments, roiling, salinity

Abstract

The statistical characteristics of the content of suspended matter in the macrotidal estuaries of the Kuloi River with a lateral tributary of the Pocha, the Pyya River (White Sea) and the Chesha River in the Barents Sea. Their maximum values in the surface layers of estuarine waters due to the roiling of bottom sediments by tidal currents can reach a level of 500–4000 mg/l and even more. The typical range of fluctuations in the concentration of suspended matter in such river mouths will be 90–720 mg/l for taiga rivers and 200–1830 mg/l for tundra rivers. The higher turbidity of the estuarine waters of the tundra zone is associated with the degradation of its permafrost soils against the background of the observed climate warming. The relationship between suspended solids and salinity distribution at the mouths of small rivers may differ markedly from the conditions observed at the mouths of medium and large rivers.

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Published

2021-09-01

Issue

Vol. 49 No. 2 (2021): Journal of Oceanological Research

Section

Marine geology, geophysics and geochemistry

License

Transfer of copyrights occurs on the basis of a license agreement between the Author and Shirshov Institute of Oceanology, RAS

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