Archaeological sites as markers of Neopleistocene-Holocene hydrological system transformation in the Kurai and Chuya basins, Southeastern Altai: Results of geomorphological and geoarchaeological studies

Тип публикации: статья из журнала

Год издания: 2016

Идентификатор DOI: 10.17746/1563-0110.2016.44.4.026-034

Ключевые слова: Altai nomads, geoarchaeology, geochronology, holocene, Hydrological system transformation, Southeastern Altai

Аннотация: Multidisciplinary studies using geomorphological, geoarchaeological, and geochronological approaches indicate contrasting environmental changes in southeastern Altai beginning from the Late Pleistocene. Twenty-eight new radiocarbon dates from the subaerial complex overlying Late Neopleistocene sediments in the high-altitude Kurai and Chuya basins confi rm the degradation of a single ice-dammed reservoir in that area during the Early Holocene. In the first half of the Holocene, those basins were filled with isolated lakes. At the Baratal River mouth in the western Kurai basin, a reservoir with a water level of at least 1480 m a.s.l. emerged ca 10-6.5 ka BP, whereas in the Chuya depression, numerous residual lakes had existed at least 8 ka BP. Landslide- and morainedammed lakes between the depressions in the Chuya valley had existed until 7-3 ka BP, when they drained away. The preservation state of in situ archaeological sites, their cultural affiliation, and their location within the depressions and along the main Chuya valley attest to spatial and temporal changes of the hydrological system. This evolution occurred in the second half of the Holocene and did not entail major consequences for humans.

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Издание

Журнал: Archaeology, Ethnology and Anthropology of Eurasia

Выпуск журнала: Т.44, 4

Номера страниц: 26-34

ISSN журнала: 15630110

Место издания: Новосибирск

Издатель: Общество с ограниченной ответственностью Международная академическая издательская компания "Наука/Интерпериодика"

Авторы

  • Agatova A.R. (Ural Federal University)
  • Nepop R.K. (Ural Federal University)
  • Slyusarenko I.Y. (Novosibirsk State University)
  • Myglan V.S. (Siberian Federal University)
  • Barinov V.V. (Siberian Federal University)

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