Transactions of KarRC RAS :: Scientific publications
Transactions of KarRC RAS :: Scientific publications

Transactions of KarRC RAS :: Scientific publications
Karelian Research Centre of RAS
ISSN (print): 1997-3217
ISSN (online): 2312-4504
Transactions of KarRC RAS :: Scientific publications
Background Editorial committee Editorial Office For authors For reviewer Russian version
Transactions of KarRC RAS :: Scientific publications

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SCIENTIFIC PUBLICATIONS
Е.И. Игнатов, И.В. Землянов, А.Ю. Санин, Е.В. Борщенко, П.Н. Терский.
Применение расчетных методов для изучения динамики берегов Онежского озера и их развития
E.I. Ignatov, I.V. Zemlyanov, A.Yu. Sanin, E.V. Borshchenko, P.N. Tersky. Application of mathematical modeling methods for studying the dynamics of Lake Onego shores // Transactions of Karelian Research Centre of Russian Academy of Science. No 3. Limnology. 2018. Pp. 84-93
Keywords: shore morphogenetic types and dynamics; Lake Onego; computational methods; shoreface; longshore drift; abrasion; accumulation
The results of applying computational methods are reported for all types of Lake Onego shores in different parts of the lake except for its northern part. In particular, the wind energy and wave energy methods were applied. The shores were first typified based on morphogenetic analysis and the following types were identified: primordial, abrasional, abrasion-accumulative, accumulative, lagoon, deltaic, anthropogenic, etc. Application of the wind energy method allowed to determine the relative capacity of longshore drift and its direction. The wave energy method helped quantify the longshore drift, whose capacity varies extensively among sites, sometimes by an order of magnitude. The values were the highest in the middle part of the lake’s eastern shore, due to strong winds, which are common in this area. The calculated dynamic equilibrium profiles were compared with the actual shoreface cross-section. This comparison showed a low degree of profile erosion. The profiles typically differed significantly from the dynamic equilibrium profile. This proves that a large part of the shore is not very old, but the layer of large pebbles and boulders washed out of glacial deposits also plays an important role. There is a lack of sediments in most of Lake Onego shore areas, which stimulates abrasion.
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  Last modified: April 12, 2018