Tyuleniy Archipelago of the Northern Caspian: a testing ground for the study of ice-gouging processes

Maznev, S.V.; Ogorodov, S.A.; Vergun, A.P.

Авторы: Maznev S.V., Ogorodov S.A., Vergun A.P.
Сборник: Proceedings of the 26th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC
Год издания: 2021
Первая страница: 1
Последняя страница: 8
Аннотация: The Northern Caspian is a well-known area of ice gouging. It is studying here form 1953. The seabed of the whole northern part of the Caspian Sea is affected by ice features: mobile ice ridges and immobile stamukhi. But on the most part of the bottom ice scours could not be preserved because of the waves’ action and are hard-to-study. The bottom in enclosed bays and archipelagoes are rarely affected by waves, and sea ice occurs to be the most active agent of seabed topography change. At the Northern Caspian, Tyuleniy Archipelago (also known as Seal Islands) is the calmest zone, and ice scours are preserved here for a long time. It can become a testing ground for studying ice processes, the effect of ice on the seabed, and the morphology of ice scours. Using satellite imagery with the help of the field methods, we revealed many characteristics of the ice scours of Tyuleniy Archipelago. Monitoring of the ice processes and meteocan survey with the assistance of the study of the ice scours’ morphology can provide unique information and associate the certain act of ice impact by known ice ridge with an individual ice scour. This leads us to predict characteristics of ice scours by a remote study of ice ridges and stamukhi.
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