Evolution of Tere-Khol lake and the holocene dynamics of the environment in the southeastern part of the Sayan-Tuva highland

Панин, А. В.; Бронникова, М. А.; Uspenskaya, O. N.; Аржанцева, Ирина; Константинов, Е. А.; Koshurnikov, Andrey; Selezneva, Elena; Fuzeina, Yu. N.; Sheremetskaya, E.D.

doi:10.1134/s1028334x12100108

Cited by 8 publications

(2 citation statements)

References 6 publications

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“…Above this belt the mountain tundra with areas of subalpine shrubs and alpine meadows occur. Panin et al (2012) studied the history of the development of the Tere-Khol Lake in the Holocene. Based on the multi-proxy data on lake sediments, they distinguished three intervals of high water level and three intervals of low water level, including the one from 2000 to 100 years ago, corresponding to the maximum aridity of climate for the entire Holocene.…”

Section: Study Area Physiography and Vegetationmentioning

confidence: 99%

Multicentennial Climatic Changes In The Tere-Khol Basin, Southern Siberia, During The Late Holocene

Borisova

Панин

2019

GES

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Pollen analysis was carried out on an 80-cm sedimentary section on the shore of Lake Tere-Khol (southeastern Tuva). The section consists of peat overlapping lake loams and covers the last 2800 years. The alternation of dry-wet and cold-warm epochs has been established, and changes in heat and moisture occurred non-simultaneously. The first half of the studied interval, from 2.8 to 1.35 kyr BP was relatively arid and warmer on average. Against this background, temperature fluctuations occurred: relatively cold intervals 2.8-2.6 and 2.05-1.7 kyr BP and relatively warm 2.6-2.05 and 1.7-1.35 kyr BP. The next time interval 1.35-0.7 kyr BP was relatively humid. Against this background, the temperatures varied from cold 1.35-1.1 kyr BP to relatively warm 1.1-0.7 kyr BP. The last 700 years have been relatively cold with a short warming from 400 to 250 years ago. This period included a relatively dry interval 700-400 years ago and more humid climate in the last 400 years. The established climate variability largely corresponds to other climate reconstructions in the Altai-Sayan region. The general cooling trend corresponds to an astronomically determined trend towards a decrease in solar radiation in temperate latitudes of the Northern Hemisphere, and the centennial temperature fluctuations detected against this background correspond well to changes in solar activity reconstructed from 14C production and the concentration of cosmogenic isotopes in Greenland ice. Against the general tendency towards aridization, alternating wet and dry phases correspond well to changes in the activity of the Asian monsoon, established by the oxygen-isotope composition of speleothems in South China.

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Section: Study Area Physiography and Vegetationmentioning

confidence: 99%

Multicentennial Climatic Changes In The Tere-Khol Basin, Southern Siberia, During The Late Holocene

Borisova

Панин

2019

GES

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“…Furthermore, the southern part of East Siberia is located in the dynamic zone influenced by both the East Asian Summer Monsoon (EASM) and the North Atlantic westerlies. Several postglacial environmental records from the southern part of East Siberia currently exist, including Lake Baikal (Demske et al 2005;Tarasov et al 2007;Kobe et al 2020), small lakes located in the Altai Mountains (Blyakharchuk et al 2004;Westover et al 2006;Rudaya et al 2009;Huang et al 2018) and the Sayan-Tuva Upland (Panin et al 2012). Given the enormous scale of this climatically and topographically complex region, current data remain insufficient for a full understanding of regional climate dynamics.…”

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Lateglacial and Holocene vegetation and environmental change in the Jom‐Bolok volcanic region, East Sayan Mountains, South Siberia, Russia

Безрукова

Shchetnikov

Кулагина

et al. 2021

Boreas

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This study presents the first centennial-scale multi-proxy record from the East Sayan Mountains, which are part of the central Asian 'water tower' massif. The record from Lake Kaskadnoe in the Jom-Bolok area shows changes in vegetation and climate since c. 14.2 cal. ka BP. Although the study site is in an area with active volcanism, there is no clear evidence that volcanic eruptions influenced the local vegetation. At c. 14.2-12.9 cal. ka BP, regional climate was sufficiently warm and moist to allow scattered growth of Picea, Larix and Betula nana around the lake. A cooling episode at c. 12.9-11.5 cal. ka BP is coincident with the Younger Dryas and led to the predominance of shrub tundra in the basin. Cool and moist conditions c. 11.5-9.0 cal. ka BP resulted in the spread of Pinus sibirica in the catchment of Lake Kaskadnoe. The Middle Holocene, c. 9.0-4.5 cal. ka BP, featured awarmer and drier regional climate, which led to a decrease in high-elevation dark conifer forest. Subsequently, the onset of the Neoglacial and a cooler climate is indicated by the spread of Larix sibirica and Pinus sibirica in the study area. Lateglacial and Holocene moisture conditions in the East Sayan Mountains have primarily been controlled by the interaction of the westerlies and the East Asian Summer Monsoon and show a drying trend through time; long-term insolation changes affected both the Monsoon and regional temperatures. The pattern of moisture decrease in the latter part of the Holocene is seen at sites in adjacent regions of the central Asian mountains.

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Paleoclimatic Patterns Recorded in the Lakes of Mongolia

2022

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Evolution of Tere-Khol lake and the holocene dynamics of the environment in the southeastern part of the Sayan-Tuva highland

Cited by 8 publications

References 6 publications

Multicentennial Climatic Changes In The Tere-Khol Basin, Southern Siberia, During The Late Holocene

Multicentennial Climatic Changes In The Tere-Khol Basin, Southern Siberia, During The Late Holocene

Lateglacial and Holocene vegetation and environmental change in the Jom‐Bolok volcanic region, East Sayan Mountains, South Siberia, Russia

Paleoclimatic Patterns Recorded in the Lakes of Mongolia

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