Synchronous pattern of moisture availability on the southern Tibetan Plateau since 17.5 cal. ka BP-the Tangra Yumco lake sediment record

doi:10.1111/bor.12204

	Synchronous pattern of moisture availability on the southern Tibetan Plateau since 17.5 cal. ka BP-the Tangra Yumco lake sediment record
	Haberzettl, T (Haberzettl, Torsten)1; Ahlborn, M (Ahlborn, Marieke)1,2; Wang, JB (Wang, Junbo)1,3; Henkel, K (Henkel, Karoline)1; Kasper, T (Kasper, Thomas)1; Daut, G (Daut, Gerhard); Zhu, LP (Zhu, Liping)3; Mausbacher, R (Maeusbacher, Roland)1; Ahlborn, M
刊名	BOREAS
	2017
卷号	46 期号:2 页码:229-241
关键词	GRAIN-SIZE DISTRIBUTION PALEOMAGNETIC SECULAR VARIATION NAM CO HYDROLOGICAL CHANGES ASIAN MONSOON ENVIRONMENTAL-CHANGES SURFACE SEDIMENTS ORGANIC-MATTER HOLOCENE CHINA
DOI	10.1111/bor.12204
文献子类	Article
英文摘要	A possible asynchronicity of the spatial and temporal moisture availability on the Tibetan Plateau has been a controversial subject of discussion in recent years. Here we present the first attempt to systematically investigate possible spatial and temporal variations in moisture availability by examining two lakes, Tangra Yumco and Nam Co, on an east-west transect on the southern Tibetan Plateau using identical proxies for palaeoenvironmental reconstruction. In this study, an independent record from Tangra Yumco was analysed applying a multi-proxy approach to reconstruct variations in moisture availability since the Lateglacial. Results were subsequently compared with previously published records from Nam Co and additional records from Tso Moriri (northwestern Himalaya) and Naleng Co (southeastern Tibetan Plateau). Our results show that Tangra Yumco was at least partially ice covered prior to 17.1 cal. ka BP. A temperature rise after 17.1 cal. ka BP probably resulted in thawing of the permafrost. At 16.0 cal. ka BP moisture availability increased, representing an initial monsoonal intensification. Warmer conditions between 13.0 and 12.4 cal. ka BP and cooler conditions between 12.4 cal. ka BP and the onset of the Holocene reflect the Bolling-Allerod and Younger Dryas. At the onset of the Holocene moisture availability rapidly increased, with moisture highest prior to 8.5 cal. ka BP when temperatures were also highest. After 8.5 cal. ka BP the moisture availability gradually decreased and showed only minor amplitude variations. These findings are consistent with the records from large lakes like Nam Co, Tso Moriri, and Naleng Co, revealing a synchronous pattern of moisture availability on the southern Tibetan Plateau.
学科主题	自然地理学
WOS研究方向	Physical Geography; Geology
语种	英语
WOS记录号	WOS:000398048200006
内容类型	期刊论文
源URL	[http://ir.itpcas.ac.cn/handle/131C11/8305]
专题	青藏高原研究所_图书馆
通讯作者	Ahlborn, M
作者单位	1.Friedrich Schiller Univ Jena, Inst Geog, Phys Geog, Lobdergraben 32, D-07743 Jena, Germany. 2.GFZ German Res Ctr Geosci, Sect Climate Dynam & Landscape Evolut 52, D-14473 Potsdam, Germany. 3.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China.
推荐引用方式 GB/T 7714	Haberzettl, T ,Ahlborn, M ,Wang, JB ,et al. Synchronous pattern of moisture availability on the southern Tibetan Plateau since 17.5 cal. ka BP-the Tangra Yumco lake sediment record[J]. BOREAS,2017,46(2):229-241.
APA	Haberzettl, T .,Ahlborn, M .,Wang, JB .,Henkel, K .,Kasper, T .,...&Ahlborn, M.(2017).Synchronous pattern of moisture availability on the southern Tibetan Plateau since 17.5 cal. ka BP-the Tangra Yumco lake sediment record.BOREAS,46(2),229-241.
MLA	Haberzettl, T ,et al."Synchronous pattern of moisture availability on the southern Tibetan Plateau since 17.5 cal. ka BP-the Tangra Yumco lake sediment record".BOREAS 46.2(2017):229-241.