IKBFU's Vestnik

2020 Issue №3

Suspended particulate matter within the Kaliningrad coastal zone: distribution, transport, composition

Abstract

The coastal zone of the Kaliningrad region is an especially sensitive ma­rine area which includes recreation areas, natural heritage sites, construction sites and zones of both abrasion and accumulation. Thus, it requires monitor­ing and control of core environmental indicators such as suspended particu­late matter concentration. The research focused on the suspended matter transport from the main source area, which included both human-made and natural suspended matter inputs. Directions of particles transport for surface and bottom layer were discovered to be different. The transformation of the suspended matter transport from the Kaliningrad lagoon to the Curonean spit was studied with electron microscopy. The biogenic fraction dominates in the suspensions, including colonies of cyanobacteria, diatoms and dinoflagellates. The suspended matter composition changes from the Sambia Peninsula to­ward to the Curonian Spit: iron content rises along with a decrease in total number of mineral particles.

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Analysis methodology for the relationship between the water flow and river levels by determining the dependence

Abstract

The article contains all the available data on average monthly discharges and water levels for the rivers under study, that provided the background for the hydrological series of these characteristics which are found to be in a close stochastic connection. Linear regression equations connect the average month­ly discharges and water levels in the rivers under study. They also provide for the graphs of the relationship between the considered values, and the bounda­ries of their confidence intervals were calculated and constructed. From these dependences, it is possible to determine the average monthly discharge or wa­ter levels in the studied rivers, owning only one set of characteristics. It can also be a picture of regular channel processes, since the distribution of points on the graphs is within the normal range and is attributed to natural rivers processes.

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Geomorphological study of the submerged relief in the Russian sector of the south-eastern Baltic

Abstract

A retrospective review of previously obtained results of regional geomor­phological studies, their chronological systematization, highlighting the main results and the nature of research at every stage of study can serve a good in­troduction to this field of science. The article focuses on the papers of the late 19th century on geological-geomorphological and eco-landscape studies of the Russian sector of the southeastern part of the Baltic Sea. The chronological stages of research development are identified and characterized.

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