气候变化领域集成服务门户(CCPortal): Landscape change and its influence on human activities in Lhasa basin of central Tibetan plateau since the last deglacial

CCPortal

DOI	10.1016/j.quaint.2019.11.023
	Landscape change and its influence on human activities in Lhasa basin of central Tibetan plateau since the last deglacial
	Hu, Gang; Wang, Ping; Li, Dehong; Huang, Jianwei; Wang, Huiying; Yang, Xiaoyan; Zhang, Jiafu; Chen, Jie; Qiu, Menghan; Zhang, Aimin; Shi, Lingfan
通讯作者	Wang, P (通讯作者)
发表日期	2020
ISSN	1040-6182
EISSN	1873-4553
起始页码	1
结束页码	12
卷号	536
英文摘要	Human activity and adaptation to the environmental changes on the Tibetan Plateau are under debate. Lhasa is the political and economic center of the Tibetan Autonomous Region, and was founded in 633 CE. The potential influence of changes in the landscape on the city's development remains unclear. In this paper, Optically Stimulated Luminescence and radiocarbon dating techniques were applied to determine the ages at which landforms have changed since the Last Glacial Maximum. Combining these results with archaeological evidence taken from two sites (Changguogougou and Qugong) in the Lhasa area, the relation between river migration and human adaptation was discussed. The results showed that the two terraces (T1 and T2) of the Lhasa River are fill and fill-cut terraces, and that these were formed after similar to 0.9 ka and 0.08 cal ka BP, respectively. Land below an altitude of similar to 3650 m above sea level was lower than the contemporary river level before similar to 0.9 ka. With the down cutting of the Lhasa River, more land became available for habitation, and the flood risk to the city was also reduced. The sediments of the lower land around the Changguogou area appear to be composed of fluvial-lacustrine facies during the Last Glacial Maximum to Late Glacial period. Humans occupied the Changguogou area between similar to 3.255 and 3.059 cal ka BP when there was weaker aeolian activity, and abandoned this area when aeolian activity increased.
关键词	OPTICALLY STIMULATED LUMINESCENCE PERMANENT HUMAN OCCUPATION SOUTHERN TIBET DAMMED LAKE FLUVIAL SEDIMENTS LATE PLEISTOCENE TSANGPO RIVER SINGLE QUARTZ MONSOON
英文关键词	OSL; C-14; Lhasa; Changes in fluvial landscapes
语种	英语
WOS研究方向	Physical Geography ; Geology
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号	WOS:000515541500001
来源期刊	QUATERNARY INTERNATIONAL
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/260043
推荐引用方式 GB/T 7714	Hu, Gang,Wang, Ping,Li, Dehong,et al. Landscape change and its influence on human activities in Lhasa basin of central Tibetan plateau since the last deglacial[J]. 中国科学院青藏高原研究所,2020,536.
APA	Hu, Gang.,Wang, Ping.,Li, Dehong.,Huang, Jianwei.,Wang, Huiying.,...&Shi, Lingfan.(2020).Landscape change and its influence on human activities in Lhasa basin of central Tibetan plateau since the last deglacial.QUATERNARY INTERNATIONAL,536.
MLA	Hu, Gang,et al."Landscape change and its influence on human activities in Lhasa basin of central Tibetan plateau since the last deglacial".QUATERNARY INTERNATIONAL 536(2020).