The magnetic susceptibility recorded millennial-scale variability in central Asia during last glacial and interglacial

Wang, Youjun; Jia, Jia; Liu, Hao; Lu, Caichen; Xia, Dunsheng; Lu, Hao

doi:10.1093/gji/ggy378

Cited by 17 publications

(13 citation statements)

References 32 publications

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“…In addition, due to high climate resolution recording by Last Glacial (LG) loess in DK section, its chronology was construct by matching the NGRIP curve. The result had been published in Wang et al (2018). Based on the resulting chronologies, grain-size time series are presented in the Figure 3, which demonstrate that the variations in grain-size in ACA and the CLP are synchronous, which is supported by 135 the results of cross correlation analysis ( Fig.…”

supporting

confidence: 55%

“…Ding et al, 2002;Yang et al, 2006;Chen et al, 2016;Jia et al, 2018b). They are widespread on alluvial fans, river terraces, and on the piedmont slopes of the Tienshan 80 and Pamir mountains (Frechen and Dodonov, 1998;Sun et al, 2002;Li et al, 2018), and they have preserved paleoclimatic records from the early-to the late Pleistocene (Frechen and Dodonov, 1998;Ding et al, 2002;Wang et al, 2018;Li et al, 2019).…”

Section: Figurementioning

confidence: 99%

“…It had been widely observed that weakly magnetic hematite and goethite only make a small contribution to the magnetic susceptibility, while in contrast strongly magnetite and maghemite, although 155 present in trace contents, make a large contribution (e.g. Liu et al, 2007;Wang et al, 2018). fd is extremely sensitive to the fine-grained ferrimagnetic component of loess (Liu et al, 2007), which is 20-30 nm maghemite (Liu et al, 2007;Chen et al, 2010b).…”

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confidence: 99%

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Lagged variation of moisture conditions in central Asia compared with monsoonal Asia during the last four interglacials

Jia

Chen

Wang

et al. 2019

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Abstract. Previous research has indicated that variations in moisture conditions in arid central Asia (ACA) were out-of-phase with those of monsoonal Asia during the Holocene. In order to investigate this phenomenon, we compared the pattern of moisture variations in ACA and the region dominated by the East Asia summer monsoon (EASM) during the last four interglacials. The results indicate that moisture variations in ACA lagged those in the EASM region by ~ 6 kyr during MIS 5, by −3 kyr during MIS 7, by 3 kyr during MIS 9, and by 7 kyr during MIS 11. We suggest that this lagged pattern in three out of four interglacials was the result of a zonal climatic teleconnection, westerly wind intensity, and evaporation upstream. Overall, our results shed new light on the climatic variability of central Asia and its origins during the Holocene.

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supporting

confidence: 55%

Section: Figurementioning

confidence: 99%

mentioning

confidence: 99%

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Lagged variation of moisture conditions in central Asia compared with monsoonal Asia during the last four interglacials

Jia

Chen

Wang

et al. 2019

Preprint

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“…Studies on Quaternary climate change have fostered the interest in loess research because of sometimes high accumulation rates allowing for temporally highly resolved studies on the paleoenvironments. Further, the relatively well-developed chronological framework in Asia and the widespread occurrence over Eurasia (e.g., Chlachula et al, 1997;Ding et al, 2002b;Hao et al, 2012;Yang and Ding, 2014;Zeeden et al, 2016Zeeden et al, , 2018bVeres et al, 2018;Vlaminck et al, 2018;Wang et al, 2018) make loess-paleosol sequences the most widely distributed geoarchives for studying past climate dynamics. Loess intercalated with palaeosols is a valuable source for studying paleoclimate dynamics because soil properties and features depend on the environmental conditions at the time of formation (e.g., Dodonov et al, 2006;Buggle et al, 2011).…”

Section: Loess-palaeosol Sequencesmentioning

confidence: 99%

“…This facilitates comparison of terrestrial loess archives over Eurasia and with marine proxy data (e.g., Hovan et al, 1989;Zhou et al, 1995;Vlaminck et al, 2016;Lauer et al, 2017;Zeeden et al, 2018b;Perić et al, 2019), also for loess in Kashmir (Gupta et al, 1991). For loess in Kashmir and the whole Indian subcontinent, yet only rather little quantitative data are available in low resolution compared to studies from Europe (e.g., Antoine et al, 2009;Obreht et al, 2017), Central Asia (e.g., Ding et al, 2002b;Cheng et al, 2012;Wang et al, 2018;Jia et al, 2019) and East Asia (e.g., Ding et al, 2005;Hao and Guo, 2005;Yang and Ding, 2014). The topic of loess in India has been discussed during the last decades without much actual data, and Smalley et al (2009) highlight this knowledge gap by stating "Loess in India has been neglected".…”

Section: An Eurasian Contextmentioning

confidence: 99%

Loess-Palaeosol Sequences in the Kashmir Valley, NW Himalayas: A Review

Dar

Zeeden

2020

Front. Earth Sci.

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Loess deposits and intercalated palaeosols are widespread in the Quaternary record, and these have been extensively used to gain insights into continental paleoclimatic and paleo-environmental conditions and changes. Especially over Eurasia, loess geoarchives play an important role for our understanding of past changes. Loess covers almost 500 km 2 of the Kashmir Valley in northwestern India, it occurs dominantly in plateau positions, but also on terraces and sometimes forms slope deposits with thicknesses ranging from several to more than 20 m. For the time being, however, the timing of the initiation of the loess accumulation, the provenance, the grain size composition and also the paleo-environment have not been studied systematically and yet only little quantitative data is available. Yet it is clear that deposition rates are at least comparable to European loess, and that the presence of multiple palaeosols intercalated in the loess can provide valuable information on the history of the region. The limited available data hinders regional and continental correlation, and tapping its value as archive of past environmental changes in this sensitive region with influence from Westerlies and the Indian Monsoon. However, several characteristic palaeosol patterns can be traced throughout the Kashmir valley, which provide stratigraphic information. Several studies investigate physical and chemical properties of the loess-paleosol sequences and conclude to its aeolian origin and recording of past climates. The intensity of soil formation phases is traced through various proxies in low resolution and yet without conclusive age control. Here we review the exiting literature, available data, and interpretations from loess-palaeosol sequences in the Kashmir Valley. These are placed in the context of our own observations and loess from the Indian subcontinent.

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Orbital and Millennial-Scale Climate Variability over the Past 76 ka in the Western Tarim Basin, Northwest China

et al. 2023

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The magnetic susceptibility recorded millennial-scale variability in central Asia during last glacial and interglacial

Cited by 17 publications

References 32 publications

Lagged variation of moisture conditions in central Asia compared with monsoonal Asia during the last four interglacials

Lagged variation of moisture conditions in central Asia compared with monsoonal Asia during the last four interglacials

Loess-Palaeosol Sequences in the Kashmir Valley, NW Himalayas: A Review

Orbital and Millennial-Scale Climate Variability over the Past 76 ka in the Western Tarim Basin, Northwest China

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