HISTORICAL BACKGROUND TO FLOODPLAIN MORPHOLOGY: EXAMPLES FROM THE EAST EUROPEAN PLAIN

Panin, A.V.; Sidorchuk, A.Y.; Chernov, A.V.

Авторы: Panin A.V., Sidorchuk A.Yu, Chernov A.V.
Сборник: Geological Society Special Publication
Том: 163
Год издания: 1999
Издательство: Published for the Geological Society of London by Blackwell Scientific Publications
Местоположение издательства: Oxford, England
Первая страница: 217
Последняя страница: 229
DOI: GSL.SP.1999.163.01.17
Аннотация: Floodplain morphology is described in relation to channel pattern changes in the past. The oldest segments of the present-day floodplains were formed in the Late Valdai (Weichselian). Their morphology is inherited from large palaeomeanders (macromeanders) formed under extremely high discharge conditions. A map of the spatial distribution of Late Valdai macromeander relics on the East European Plain is given. Various floodplain segments have a spectrum of ages that may reflect only selected portions of the river history. The most widespread morphological units correspond to the periods when the river was undergoing its widest lateral migration. Periods of stable channel position may result in a gap in the floodplain age spectrum. The channel pattern and rates of river migration are controlled both by hydrological conditions and by valley floor morphology inherited from the preceding river regime. Heterogeneity of floodplains is illustrated from three key sites: the Khoper River (Southern Russia), the Protva River (Central Russia) and the Vychegda River (Northern Russia).
Добавил в систему: Сидорчук Алексей Юрьевич

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HISTORICAL BACKGROUND TO FLOODPLAIN MORPHOLOGY: EXAMPLES FROM THE EAST EUROPEAN PLAINстатья

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