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The influence of ice sheet and solar insolation on Holocene moisture evolution in northern Central Asia
Lan, Jianghu1,2,3; Wang, Tianli1,4; Dong, Jibao1,3; Kang, Shugang1,3; Cheng, Peng1,3; Zhou, Kang'en5; Liu, Xingxing1,3; Wang, Yaqin6; Ma, Le1
Corresponding AuthorLan, Jianghu(lanjh@ieecas.cn)
2021-06-01
Source PublicationEARTH-SCIENCE REVIEWS
ISSN0012-8252
Volume217Pages:12
AbstractThe arid region of Central Asia is one of the world's major sources of dust and exerts a significant influence on marine ecosystems, atmospheric carbon dioxide concentrations, the global radiation budget, and thus global climate change. Recent global warming has considerably reduced mid-latitude net precipitation by decreasing the latitudinal temperature gradient between the Equator and the Arctic; however, the influence of ice sheet and solar insolation on moisture evolution in Central Asia during the Holocene remains uncertain. Here we show that the relative wet conditions during the early Holocene in northern Central Asia (NCA) were controlled principally by the southern position of the mid-latitude Westerlies under the negative phase of the North Atlantic Oscillation (NAO), a pattern that was influenced by the substantial remnants of the Laurentide and Fennoscandian ice sheets. Subsequent northward migration of the mid-latitude Westerlies under a positive NAO phase resulted in persistent drought conditions during the middle Holocene thermal maximum, due to the combined effects of relatively higher summer insolation and Arctic amplification as well as sea ice loss. In contrast, southward migration of the mid-latitude Westerlies since approximately 3.6 cal kyr BP, driven by declining summer insolation and coincident with the negative NAO phase, increased regional precipitation towards to persistent relatively wet conditions in Central Asia. This reconstructed pattern of Holocene moisture availability contrasts markedly with the increase in precipitation over Central Asia under the current anthropogenically forced warming, thereby justifying further investigation into the multiple forcing mechanisms driving natural and anthropogenic climate change.
KeywordHolocene moisture Northern Central Asia North Atlantic oscillation Laurentide and Fennoscandian ice sheets Atmospheric circulation
DOI10.1016/j.earscirev.2021.103645
WOS KeywordARID CENTRAL-ASIA ; SOUTHERN ALTAI MOUNTAINS ; CLIMATE-CHANGE ; VEGETATION CHANGES ; ATLANTIC OSCILLATION ; CENTRAL MONGOLIA ; ENVIRONMENTAL DYNAMICS ; WINTER PRECIPITATION ; SEDIMENT RECORDS ; LATE PLEISTOCENE
Indexed BySCI ; SCI
Language英语
Funding ProjectNatural Science Foundation of China[41991253] ; Natural Science Foundation of China[U20A2078] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB40010300] ; 2nd Tibetan Plateau Scientific Expedition and Research[2019QZKK0101] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2021411]
WOS Research AreaGeology
Funding OrganizationNatural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; 2nd Tibetan Plateau Scientific Expedition and Research ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000663306600002
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/16787
Collection现代环境研究室
第四纪科学与全球变化卓越创新中心
Corresponding AuthorLan, Jianghu
Affiliation1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
2.China Pakistan Joint Res Ctr Earth Sci, Chengdu 610041, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Tianjin Univ, Sch Earth Syst Sci, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China
6.Xian Inst Innovat Earth Environm Res, Xian 710061, Peoples R China
Recommended Citation
GB/T 7714
Lan, Jianghu,Wang, Tianli,Dong, Jibao,et al. The influence of ice sheet and solar insolation on Holocene moisture evolution in northern Central Asia[J]. EARTH-SCIENCE REVIEWS,2021,217:12.
APA Lan, Jianghu.,Wang, Tianli.,Dong, Jibao.,Kang, Shugang.,Cheng, Peng.,...&Ma, Le.(2021).The influence of ice sheet and solar insolation on Holocene moisture evolution in northern Central Asia.EARTH-SCIENCE REVIEWS,217,12.
MLA Lan, Jianghu,et al."The influence of ice sheet and solar insolation on Holocene moisture evolution in northern Central Asia".EARTH-SCIENCE REVIEWS 217(2021):12.
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