Tracing the North Atlantic decadal-scale climate variability in a late Holocene pollen record from southern Siberia

Hildebrandt, Steffi; Müller, Stefanie; Калугин, И. А.; Dar’in, A. V.; Wagner, Mayke; Rogozin, D. Yu.; Tarasov, Pavel E.

doi:10.1016/j.palaeo.2015.02.037

Cited by 18 publications

(9 citation statements)

References 38 publications

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“…The supply of loess to dust is supported also by a characteristic value of Th/U equal 2.7–2.9, similar to the value described for loess ≈ 2.836. The decline in DWT can be associated with the Little Ice Age, consistent with climatic estimations conducted for central- and eastern Europe, and with the pattern of CAR across the Northern Hemisphere and southern Siberia37. A slight increase in dust deposition rates (Fig.…”

Section: Resultssupporting

confidence: 84%

Anthropogenic- and natural sources of dust in peatland during the Anthropocene

Fiałkiewicz-Kozieł

Smieja-Król

Frontasyeva

et al. 2016

Sci Rep

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As human impact have been increasing strongly over the last decades, it is crucial to distinguish human-induced dust sources from natural ones in order to define the boundary of a newly proposed epoch - the Anthropocene. Here, we track anthropogenic signatures and natural geochemical anomalies in the Mukhrino peatland, Western Siberia. Human activity was recorded there from cal AD 1958 (±6). Anthropogenic spheroidal aluminosilicates clearly identify the beginning of industrial development and are proposed as a new indicator of the Anthropocene. In cal AD 1963 (±5), greatly elevated dust deposition and an increase in REE serve to show that the geochemistry of elements in the peat can be evidence of nuclear weapon testing; such constituted an enormous force blowing soil dust into the atmosphere. Among the natural dust sources, minor signals of dryness and of the Tunguska cosmic body (TCB) impact were noted. The TCB impact was indirectly confirmed by an unusual occurrence of mullite in the peat.

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Section: Resultssupporting

confidence: 84%

Anthropogenic- and natural sources of dust in peatland during the Anthropocene

Fiałkiewicz-Kozieł

Smieja-Król

Frontasyeva

et al. 2016

Sci Rep

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“…As with much of Eurasia, there has been considerable debate over the nature of prehistoric economy in the southern part of Siberia, including the Altai Mountains and intermountain depressions between the rivers Ob and Yenisei (Hildebrandt et al, 2015 and references therein); some researchers have suggested that economy was based on a mixed agropastoral system with a dominance toward herding (Vainshtein, 1980), while others have favored models that suggest most or all of the agricultural products were accessed through exchange (Mandelshtam, 1992; Van Geel et al, 2004). There is, however, good evidence to suggest that agricultural goods, most notably millets, were a significant part of the economy by at least the early Iron Age and appeared in the region by the late 2nd or early 1st millennia BC (Di Cosmo, 1994; Gryaznov, 1969; Okladnikov, 1959; Vainshtein, 1980).…”

Section: Results From Northern Central Asiamentioning

confidence: 99%

The spread of agriculture into northern Central Asia: Timing, pathways, and environmental feedbacks

et al. 2016

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Over the past decade, researchers have directed greater focus toward understanding Bronze (3200–800 BC) and Iron Age (800 BC–AD 400) economies of Central Asia. In this article, we synthesize paleobotanical data from across this broad region and discuss the piecemeal archaeological evidence for agriculture in relation to environmental records of vegetation and climate change. The synthesis shows that agricultural products were present in northern Central Asia by the mid-3rd millennium BC; however, solid evidence for their spread even further north into the Altai Mountains and southern Siberia only comes from the late 2nd and early 1st millennia BC. The earliest crops introduced into Central Asia likely came as a mixed package of free-threshing wheat, naked barley, and broomcorn millet, an assemblage pioneered further south along the northern foothills of the Central Asian mountains. Further east, in Mongolia, and debatably to the west of Central Asia, in the steppe of northern Kazakhstan and the southern Ural region of Russia, the earliest evidence of agriculture (with a similar mixed assemblage) is considerably later, roughly late 1st millennium BC. The lack of clear-cut early evidence for agricultural goods either east or west of the Central Asian mountain belt suggests that agriculture spread northward along these mountains, based on an agropastoral system pioneered millennia earlier at higher elevations of lower latitudes. Additionally, moister regional environmental conditions in the northern mountains after 3000 cal. BC may have increased the favorability of adopting an agricultural component in the economy.

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“…In addition, Velichko et al (1997) emphasized the important influence of the Siberian High for the climate of Siberia. Other studies (Chen et al 2008;Hildebrandt et al 2015;Zhang et al 2020) confirmed the dominant influence of the westerlies in Siberia, including the taiga, forest-steppe and steppe belts. Later works in the central part of West Siberia (Blyakharchuk 2009) and in the north of East Siberia (Biskaborn et al 2016) highlighted the regional heterogeneity of climatic changes within these regions during the Holocene.…”

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confidence: 75%

Holocene vegetation and hydroclimate changes in the Kansk forest steppe, Yenisei River Basin, East Siberia

Михайлова

Grenaderova

Kurina

et al. 2021

Boreas

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Our study focuses on the Holocene hydroclimate long-term trends in southern East Siberia and places them in the context of the adjacent areas of the Siberian taiga in the north and the arid central Asia in the south. We present a new record from the eutrophic mire, in the forest-steppe region, covering the last 9000 years. Our multi-proxy approach includes physiochemical (ash content, grain size, micro-charcoal, peat decomposition) and biological indicators (pollen, non-pollen palynomorphs, plant macrofossils, testate amoebae, molluscs). The record indicates increased humidity during the Holocene Thermal Maximum at 8150-7400 cal. a BP, and drier conditions with evidence for fires at 7400-5100 cal. a BP. Next, wetter conditions occurred at the coring site at 5100-1400 cal. a BP based on evidence of fluvial influence, which is consistent with other records in the wider region. A short-term dry episode occurred at 1400-1300 cal. a BP, followed by a wet Medieval Warm Period (1300-650 cal. a BP) and Little Ice Age (450-300 cal. a BP) and a moderately wet environment from 300 cal. a BP to the present day. These results are consistent with the previously published palaeoenvironmental reconstructions from the steppe and forest-steppe regions in the south of East and West Siberia and taken together reveal a common trend towards wetter conditions with a maximum wetness between 4500 and 3000 cal. a BP. This differs from the taiga region further north and from the Altai-Sayan Mountains and Kazakhstan Hills further south, which show the trend from dry to wet and then to drier conditions in the Holocene, and from the Trans-Baikal region where the Holocene trend is to drier conditions. This study supports the predominant influence of the North Atlantic on the regional palaeoclimate changes in the forest-steppe region of East Siberia during the Holocene.

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Tracing the North Atlantic decadal-scale climate variability in a late Holocene pollen record from southern Siberia

Cited by 18 publications

References 38 publications

Anthropogenic- and natural sources of dust in peatland during the Anthropocene

Anthropogenic- and natural sources of dust in peatland during the Anthropocene

The spread of agriculture into northern Central Asia: Timing, pathways, and environmental feedbacks

Holocene vegetation and hydroclimate changes in the Kansk forest steppe, Yenisei River Basin, East Siberia

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