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Название: Climatically Driven Holocene Glacier Advances in the Russian Altai Based on Radiocarbon and OSL Dating and Tree Ring Analysis
Авторы: Agatova, A.
Nepop, R.
Nazarov, A.
Ovchinnikov, I.
Moska, P.
Дата публикации: 2021
Издатель: MDPI
MDPI AG
Библиографическое описание: Climatically Driven Holocene Glacier Advances in the Russian Altai Based on Radiocarbon and OSL Dating and Tree Ring Analysis / A. Agatova, R. Nepop, A. Nazarov et al. // Climate. — 2021. — Vol. 9. — Iss. 11. — 162.
Аннотация: Analysis of new chronological data, including 55 radiocarbon, 1 OSL, and 8 dendrochronological dates, obtained in the upper reaches of trough valleys within the Katun, North Chuya, South Chuya, and Chikhachev ranges, together with the 55 previously published ones, specifies climatically driven glacier dynamic in the Russian Altai. Available data refute the traditional concept of the Russian Altai Holocene glaciations as a consecutive retreat of the Late Pleistocene glaciation. Considerable and prolonged warming in the Early Holocene started no later than 11.3–11.4 cal kBP. It caused significant shrinking or even complete degradation of alpine glaciers and regeneration of forest vegetation 300–400 m above the modern upper timber limit. Stadial advances occurred in the middle of the Holocene (4.9–4.2 cal kBP), during the Historical (2.3–1.7 cal kBP), and the Aktru (LIA thirteenth–nineteenth century) stages. New radiocarbon ages of fossil soils limited glaciers expansion in the Middle Holocene by the size of the Historical moraine. Lesser glacial activity between 5 and 4 cal kBP is also supported by rapid reforestation in the heads of trough valleys. Glaciers advance within the Russian Altai, accompanied by accumulation of the Akkem moraine, could have occurred at the end of the Late Pleistocene. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Ключевые слова: CLIMATIC VARIATIONS
HOLOCENE GLACIERS ADVANCES
OSL DATING
RADIOCARBON DATING
RUSSIAN ALTAI
TREE RING ANALYSIS
UPPER TIMBER LIMIT
URI: http://elar.urfu.ru/handle/10995/111743
Условия доступа: info:eu-repo/semantics/openAccess
Идентификатор SCOPUS: 85118968802
Идентификатор WOS: 000726013300001
Идентификатор PURE: 28947483
ISSN: 2225-1154
DOI: 10.3390/cli9110162
Сведения о поддержке: Funding: The study was supported by the State Assignment of IGM SB RAS.
Располагается в коллекциях:Научные публикации ученых УрФУ, проиндексированные в SCOPUS и WoS CC

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