Postglacial environmental change in the valley of Malye Chily River (the basin of Lake Teletskoye), northeastern Russian Altai

Тип публикации: статья из журнала

Год издания: 2014

Идентификатор DOI: 10.1080/02723646.2014.929881

Ключевые слова: Russian Altai, Holocene, Lake Teletskoye, moraine, glacier, botanical analysis of peat, radiocarbon dating, botanical analysis of peat, glacier, Holocene, Lake Teletskoye, moraine, radiocarbon dating, Russian Altai, botany, chronology, environmental change, glaciation, Holocene, landscape evolution, moraine, paleoclimate, paleoenvironment, peat, Postglacial, radiocarbon dating, valley glacier, wetland, Altay [Russian Federation], Lake Teletskoye, Russian Federation

Аннотация: The evolution and current state of landscapes around Lake Teletskoye have not previously been studied in detail. In the valley of the Malye Chily River, which flows into Lake Teletskoye, the timing of dam failure and draining of two moraine-dammed lakes has been identified. Botanical analysis, ash content determination, and radiocarbon dating of two peat profiles provide insight into postglacial evolution of wetlands related to this landscape. We found clear evidence of the disappearance from the peat of higher vascular species that, today, grows mostly in the plains of Siberia. Correlation of the data obtained with the accepted chronology of the Holocene events in the Russian Altai suggests the following stages of postglacial environmental change in the Malye Chily River valley: (1) the continuation of the Late Wurm glaciation degradation (before 7000 cal. yr BP); (2) Holocene Climate Optimum (7000-5000 cal. yr BP); (3) Akkem cooling (5000-4200 cal. yr BP); (4) warm period (4200-3700 cal. yr BP); and (5) Historical cooling (3700-1600 cal. yr BP).

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Издание

Журнал: PHYSICAL GEOGRAPHY

Выпуск журнала: Vol. 35, Is. 5

Номера страниц: 390-410

ISSN журнала: 02723646

Место издания: ABINGDON

Издатель: TAYLOR & FRANCIS LTD

Авторы

  • Chernykh D.V. (Institute for Water and Environmental Problems)
  • Zolotov D.V. (Institute for Water and Environmental Problems)
  • Yamskikh G.Y. (Siberian Federal University)
  • Grenaderova A.V. (Siberian Federal University)

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