兰州大学机构库 >资源环境学院
No evidence for an anti-phased Holocene moisture regime in mountains and basins in Central Asian: Records from Ili loess, Xinjiang
Jia, Jia1; Chen, JH(陈建徽)2; Wang, Zhiyuan1; Chen, Shengqian2; Wang, Qiang2; Wang, Leibin3; Yang, Liwen1; Xia, DS(夏敦胜)2; Chen, FH(陈发虎)2,4
2021-06-15
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume572
AbstractArid Central Asia (ACA) is far from oceanic moisture sources and has a prevailing arid climatethus the environment of the region is hydroclimatically sensitive. The eastern part of ACA is dominated by the basin-mountain system. A previous study proposed that the humid mountains and the arid basins were characterized by an opposite pattern of climatic variation during the Holocene, with a long-term drying trend in the former and a wetting trend in the latter. However, robust evidence from an integrated basin-mountain system using the same geological archive is urgently needed to test this hypothesis. Here we present Holocene paleoclimatic results from two new loess sections, with reliable chronologies, from Tienshan Mountain slope. In combination with two additional loess records from the intermontane arid basin, a systematic mountain-basin comparison was carried out. The results indicate that a Holocene paleosol started to develop on the Tienshan Mountain slope (at an elevation of 1300-1600 m) during 7-5 ka, which is broadly synchronous with paleosol development in the arid basin (at an elevation of 500-800 m). Furthermore, magnetic-parameter-based precipitation reconstructions from the four loess sections all demonstrate a consistent wetting trend throughout the Holocene. Therefore, our findings do not support an anti-phased pattern of moisture/precipitation change between the humid mountains and the arid basins in eastern ACA.
KeywordFrequency-dependent magnetic susceptibilityStable carbon isotopeTienshan MountainsWesterlies
PublisherELSEVIER
DOI10.1016/j.palaeo.2021.110407
Indexed BySCOPUS ; SCIE
Language英语
WOS Research AreaPhysical GeographyGeologyPaleontology
WOS SubjectGeography, PhysicalGeosciences, MultidisciplinaryPaleontology
WOS IDWOS:000648525800009
Original Document TypeArticle
Citation statistics
Document Type期刊论文
Identifierhttp://ir.lzu.edu.cn/handle/262010/450728
Collection资源环境学院
Affiliation1.Zhejiang Normal Univ, Coll Geog & Environm Sci, Jinhua 321004, Zhejiang, Peoples R China;
2.Lanzhou Univ, Coll Earth & Environm Sci, MOE Key Lab West Chinas Environm Syst, Lanzhou 730000, Peoples R China;
3.Guangzhou Univ, Ctr Climate & Environm Changes, Sch Geog Sci, Guangzhou, Peoples R China;
4.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Jia, Jia,Chen, Jianhui,Wang, Zhiyuan,et al. No evidence for an anti-phased Holocene moisture regime in mountains and basins in Central Asian: Records from Ili loess, Xinjiang[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2021,572.
APA Jia, Jia.,Chen, Jianhui.,Wang, Zhiyuan.,Chen, Shengqian.,Wang, Qiang.,...&Chen, Fahu.(2021).No evidence for an anti-phased Holocene moisture regime in mountains and basins in Central Asian: Records from Ili loess, Xinjiang.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,572.
MLA Jia, Jia,et al."No evidence for an anti-phased Holocene moisture regime in mountains and basins in Central Asian: Records from Ili loess, Xinjiang".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 572(2021).
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