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	Development of a thermokarst lake and its thermal effects on permafrost over nearly 10 yr in the Beiluhe Basin, Qinghai-Tibet Plateau
	Lin, Zhanju; Luo, Jing; Niu, Fujun
刊名	GEOSPHERE
	2016-04-01
卷号	12期号:2页码:632-643
ISSN号	1553-040X
DOI	10.1130/GES01194.1
通讯作者	Lin, Zhanju(zhanjulin@lzb.ac.cn)
英文摘要	The thermal influence of a thermokarst lake on permafrost in the Beiluhe -Basin of the Qinghai-Tibet Plateau was examined over nearly 10 yr (2006-2014), and lake development involved both downward and lateral heat transfers. Downward heat transfer rapidly thawed 8 m of permafrost beneath the lake bottom center, forming a through talik (i. e., year-round unfrozen ground in perma-frost that is open to top and unfrozen layers beneath permafrost) by October 2008. Lateral heat transfer resulted in permafrost temperatures and permafrost table depths at the lakeshore that decreased with distance from the lake. In 2014, the maximum differences in the mean annual ground temperature and permafrost table depth within 75 m of the lake were 0.4 degrees C and 0.8 m, respectively. The horizontal extent of the talik has expanded gradually from the lake center to the lakeshore. The development of the thermokarst lake on the Qinghai-Tibet -Plateau is discussed in terms of four stages, initiation, development, stabilization, and termination, resulting from changes in the surface energy balance.
收录类别	SCI
WOS关键词	REGIME ; THAW ; ENVIRONMENTS ; CLIMATE ; CANADA ; FIRE
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
语种	英语
出版者	GEOLOGICAL SOC AMER, INC
WOS记录号	WOS:000373226700014
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2557272
专题	寒区旱区环境与工程研究所
通讯作者	Lin, Zhanju
作者单位	Chinese Acad Sci, State Key Lab Frozen Soil Engn, Cold & Arid Reg Environm & Engn Res Inst, 320 Donggang West Rd, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Lin, Zhanju,Luo, Jing,Niu, Fujun. Development of a thermokarst lake and its thermal effects on permafrost over nearly 10 yr in the Beiluhe Basin, Qinghai-Tibet Plateau[J]. GEOSPHERE,2016,12(2):632-643.
APA	Lin, Zhanju,Luo, Jing,&Niu, Fujun.(2016).Development of a thermokarst lake and its thermal effects on permafrost over nearly 10 yr in the Beiluhe Basin, Qinghai-Tibet Plateau.GEOSPHERE,12(2),632-643.
MLA	Lin, Zhanju,et al."Development of a thermokarst lake and its thermal effects on permafrost over nearly 10 yr in the Beiluhe Basin, Qinghai-Tibet Plateau".GEOSPHERE 12.2(2016):632-643.

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