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DOI	10.1016/j.accre.2020.10.002
	Thermal effect of thermokarst lake on the permafrost under embankment
	Peng Er-Xing; Sheng Yu; Hu Xiao-Ying; Wu Ji-Chun; Cao Wei
通讯作者	Peng, EX (通讯作者)，Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China.
发表日期	2021
ISSN	1674-9278
起始页码	76
结束页码	82
卷号	12 期号:1
英文摘要	In permafrost regions of the Qinghai-Tibet Plateau, road disaster caused by permafrost degradation cannot be ignored. As a common thermal disaster in permafrost regions, thermokarst lake has serious thermal erosion on permafrost and results in permafrost degradation aggravating. This study focused on two subgrade cross-sections of Gonghe-Yushu Highway in the Qinghai-Tibet Plateau to analyze thermal effect of thermokarst lake on the permafrost under embankment. The analysis infers that thermokarst lake can transfer heat to permafrost under the embankment, as a heat resource, and the heat flux decreases with the distance away from thermokarst lake in horizontal and vertical direction. Thermokarst lake can cause average ground temperature of permafrost under the embankment increasing, and with less distance from the thermokarst lake the temperature increases more severely. Thermokarst lake results in 14 m thickness melting interlayer in soil under lake and change shape of melting area.
关键词	QINGHAI-TIBET PLATEAU CLIMATE REGIME IMPACT BEILUHE BASIN WATER HEAT
英文关键词	Thermokarst lake; Permafrost; Ground temperature; Heat budget
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000629700700007
来源期刊	ADVANCES IN CLIMATE CHANGE RESEARCH
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/253653
作者单位	[Peng Er-Xing; Sheng Yu; Wu Ji-Chun; Cao Wei] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China; [Hu Xiao-Ying] Lanzhou Univ Technol, Sch Civil Engn, Lanzhou 730050, Peoples R China
推荐引用方式 GB/T 7714	Peng Er-Xing,Sheng Yu,Hu Xiao-Ying,et al. Thermal effect of thermokarst lake on the permafrost under embankment[J]. 中国科学院西北生态环境资源研究院,2021,12(1).
APA	Peng Er-Xing,Sheng Yu,Hu Xiao-Ying,Wu Ji-Chun,&Cao Wei.(2021).Thermal effect of thermokarst lake on the permafrost under embankment.ADVANCES IN CLIMATE CHANGE RESEARCH,12(1).
MLA	Peng Er-Xing,et al."Thermal effect of thermokarst lake on the permafrost under embankment".ADVANCES IN CLIMATE CHANGE RESEARCH 12.1(2021).