气候变化领域集成服务门户(CCPortal): Lateglacial and Holocene climate change in the NE Tibetan Plateau: Reconciling divergent proxies of Asian summer monsoon variability

CCPortal

DOI	10.1016/j.catena.2020.105089
	Lateglacial and Holocene climate change in the NE Tibetan Plateau: Reconciling divergent proxies of Asian summer monsoon variability
	Li, Yuan; Qiang, Mingrui; Huang, Xiaozhong; Zhao, Yongtao; Leppanen, Jaakko J.; Weckstrom, Jan; Valiranta, Minna
通讯作者	Qiang, MR (通讯作者)，South China Normal Univ, Sch Geog, Guangzhou 510631, Peoples R China.
发表日期	2021
ISSN	0341-8162
EISSN	1872-6887
卷号	199
英文摘要	The nature of Holocene Asian summer monsoon (ASM) evolution documented by diverse natural archives remains controversial, with a contentious issue being whether or not a strong Asian summer monsoon prevailed during the early Holocene. Here we present sequences of multiple proxies measured in sediment cores from Genggahai Lake in the NE Tibetan Plateau (NETP). The results suggest that a higher lake level and relatively lower terrestrial vegetation cover occurred synchronously during the early Holocene (11.3-8.6 kyr cal BP), compared with the period from 8.6 to 6.9 kyr cal BP. This finding clearly reflects the existence of different hydroclimatic conditions between the lake and its catchment due to diverse driving mechanisms. The early Holocene high stand of the lake, as demonstrated by the stratigraphic variability of the remains of aquatic biota, may have responded to the strengthened ASM and increased monsoonal precipitation; the relatively low vegetation cover in the marginal region of the Asian monsoon during the early Holocene, and the coeval widespread active sand dune mobility in both the NE Tibetan Plateau and NE China, most likely resulted from a low level of effective moisture due to high evaporation, and hence they cannot be interpreted as evidence of a weak ASM. Our results potentially reconcile the current divergent interpretations of various proxy climate records from the region. Our findings suggest that the ASM evolution was characterized by a consistent pattern across the monsoonal regions, as indicated by the oxygen isotope record of Chinese speleothems.
关键词	OXYGEN-ISOTOPE RECORD GONGHE BASIN NORTHERN CHINA QINGHAI LAKE YELLOW-RIVER SEDIMENT EVOLUTION POLLEN INCISION MAXIMUM
英文关键词	Holocene; Monsoon; China; Micropaleontology; Lake level; Vegetation
语种	英语
WOS研究方向	Geology ; Agriculture ; Water Resources
WOS类目	Geosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS记录号	WOS:000608022600009
来源期刊	CATENA
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254688
作者单位	[Li, Yuan; Zhao, Yongtao] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desertificat, Lanzhou 730000, Peoples R China; [Qiang, Mingrui] South China Normal Univ, Sch Geog, Guangzhou 510631, Peoples R China; [Li, Yuan; Qiang, Mingrui; Huang, Xiaozhong] Lanzhou Univ, Coll Earth & Environm Sci, Key Lab Western Chinas Environm Syst MOE, Lanzhou 730000, Peoples R China; [Leppanen, Jaakko J.; Weckstrom, Jan; Valiranta, Minna] Univ Helsinki, Environm Change Res Unit, Ecosyst & Environm Res Programme, Fac Biol & Environm Sci, POB 65, Helsinki 00014, Finland; [Leppanen, Jaakko J.; Weckstrom, Jan; Valiranta, Minna] Univ Helsinki, Fac Biol & Environm Sci, Helsinki Inst Sustainabil Sci, POB 65, Helsinki 00014, Finland
推荐引用方式 GB/T 7714	Li, Yuan,Qiang, Mingrui,Huang, Xiaozhong,et al. Lateglacial and Holocene climate change in the NE Tibetan Plateau: Reconciling divergent proxies of Asian summer monsoon variability[J]. 中国科学院西北生态环境资源研究院,2021,199.
APA	Li, Yuan.,Qiang, Mingrui.,Huang, Xiaozhong.,Zhao, Yongtao.,Leppanen, Jaakko J..,...&Valiranta, Minna.(2021).Lateglacial and Holocene climate change in the NE Tibetan Plateau: Reconciling divergent proxies of Asian summer monsoon variability.CATENA,199.
MLA	Li, Yuan,et al."Lateglacial and Holocene climate change in the NE Tibetan Plateau: Reconciling divergent proxies of Asian summer monsoon variability".CATENA 199(2021).