ISL OpenIR  > 青海盐湖研究所知识仓储
Holocene climate variations from Zhuyeze terminal lake records in EastAsian monsoon margin in arid northern China
Long, Hao; Lai, ZhongPing; Wang, NaiAng; Li, Yu
2010
Source PublicationQUATERNARY RESEARCH
ISSN0033-5894
Volume74Issue:1Pages:46-56
AbstractZhuyeze palaeolake is a terminal lake situated in the arid northern China in the East Asian monsoon margin. In order to examine the Holocene palaeoclimatic change in the East Asian monsoon margin, Qingtu Lake section (QTL) from Zhuyeze palaeolake is sampled in high resolution. Palaeoclimatic proxies such as grain size, carbonate, TOC, C/N and delta(13)C of organic matter, were analyzed; eleven (14)C samples and six optically stimulated luminescence (OSL) samples were dated to provide chronological control. We also investigated the geomorphic features of lake shorelines in this area. The results show that the climate was warm and dry in early-Holocene (9.5-7.0 cal ka BP), cool and humid in mid-Holocene (7.0-4.8 cal ka BP), and increasingly drier in late-Holocene (since 4.8 cal ka BP). Comparisons of our records with other records in adjacent areas, as well as with the records in the Asian monsoon areas, suggested that changes in effective moisture was synchronous in East Asian monsoon marginal zone (i.e. the pattern of dry early-Holocene, humid mid-Holocene, and aridity-increasing late-Holocene), and that the moisture optimum during the Holocene was out-of-phase between Asian monsoon margin and Asian monsoonal dominated region, possibly due to the high temperature at that time. (C) 2010 University of Washington. Published by Elsevier Inc. All rights reserved. Zhuyeze palaeolake is a terminal lake situated in the arid northern China in the East Asian monsoon margin. In order to examine the Holocene palaeoclimatic change in the East Asian monsoon margin, Qingtu Lake section (QTL) from Zhuyeze palaeolake is sampled in high resolution. Palaeoclimatic proxies such as grain size, carbonate, TOC, C/N and delta(13)C of organic matter, were analyzed; eleven (14)C samples and six optically stimulated luminescence (OSL) samples were dated to provide chronological control. We also investigated the geomorphic features of lake shorelines in this area. The results show that the climate was warm and dry in early-Holocene (9.5-7.0 cal ka BP), cool and humid in mid-Holocene (7.0-4.8 cal ka BP), and increasingly drier in late-Holocene (since 4.8 cal ka BP). Comparisons of our records with other records in adjacent areas, as well as with the records in the Asian monsoon areas, suggested that changes in effective moisture was synchronous in East Asian monsoon marginal zone (i.e. the pattern of dry early-Holocene, humid mid-Holocene, and aridity-increasing late-Holocene), and that the moisture optimum during the Holocene was out-of-phase between Asian monsoon margin and Asian monsoonal dominated region, possibly due to the high temperature at that time. (C) 2010 University of Washington. Published by Elsevier Inc. All rights reserved.
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/1912
Collection青海盐湖研究所知识仓储
Recommended Citation
GB/T 7714
Long, Hao,Lai, ZhongPing,Wang, NaiAng,et al. Holocene climate variations from Zhuyeze terminal lake records in EastAsian monsoon margin in arid northern China[J]. QUATERNARY RESEARCH,2010,74(1):46-56.
APA Long, Hao,Lai, ZhongPing,Wang, NaiAng,&Li, Yu.(2010).Holocene climate variations from Zhuyeze terminal lake records in EastAsian monsoon margin in arid northern China.QUATERNARY RESEARCH,74(1),46-56.
MLA Long, Hao,et al."Holocene climate variations from Zhuyeze terminal lake records in EastAsian monsoon margin in arid northern China".QUATERNARY RESEARCH 74.1(2010):46-56.
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