DOI: 10.24411/1728-323X-2018-12017

Section

Geoecology

Title

THE IMPACT OF THE SHIP CANAL OF THE PORT OF ARKHANGELSK ON THE SUSPENDED MATTER TRANSFER IN THE MIXING ZONE "RIVER—SEA" OF THE ESTUARY OF THE NORTHERN DVINA RIVER

Сontributors

А.        V. Leshchev, research scientist, Shirshov Institute of Oceanology, Russian Academy of  Sciences

Abstract

The issues of the influence of the input part of the ship canal of the port of Arkhangelsk on the processes of redistribution of the suspended matter in the zone of mixing of the river and sea waters in the estuary area of the Northern Dvina River are considered. The sources of suspended matter input to the ship canal have been studied. The qualitative assessment of the contribution of the ship canal to the flow of solid runoff into the sea was made. The ship canal negatively affects the processes of purification from the suspended matter arriving with the river runoff, when the river water is being mixed with the sea water and increases the share of the solid runoff entering the sea.

Keywords

marginal filter, estuary area, suspended matter, navigable canal, solid runoff, the Northern Dvina River, mixing zone.

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