气候变化领域集成服务门户(CCPortal): Estimates on thermal impact of gas-line and alleviating effect of countermeasures in patchy permafrost of northwestern China

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DOI	10.1007/s10064-020-02076-3
	Estimates on thermal impact of gas-line and alleviating effect of countermeasures in patchy permafrost of northwestern China
	Shi, Rui; Wang, Xu; Wen, Zhi; Li, Desheng
通讯作者	Wen, Z (通讯作者)，Chinese Acad Sci, State Key Lab Frozen Soil Engn, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Peoples R China. ; Wen, Z (通讯作者)，Lanzhou Jiaotong Univ, Dong Gang West Rd 320, Lanzhou 730000, Gansu, Peoples R China.
发表日期	2021
ISSN	1435-9529
EISSN	1435-9537
起始页码	2601
结束页码	2616
卷号	80 期号:3
英文摘要	Linear engineering across cold regions has a negative effect on the stability of underlying permafrost. The permafrost degradation affected by engineering activities would induce ground thaw settlement; hence, the feedback from ground alternation would damage the engineering structure conversely, which is detrimental to both engineering safety and the surrounding environment there, especially differential thaw settlement in patchy permafrost. To detect the engineering influence of gas pipeline on permafrost environment, a series of field monitoring was conducted and a numerical model considering the phase changing was introduced to simulate the thermal dynamic of underlying frozen soil and estimate the effect of several countermeasures chosen to alleviate the thermal disturbance from the pipeline. The results show that frozen soil was unstable and easy to degrade because of thermal disturbance from the pipeline-the active layer thickness is 1.5 similar to 2.0 m while the maximum thawing depth under the pipe goes over 7.0 m. Both cooling gas temperature and applying insulation layer would alleviate the permafrost degradation, but in different degrees of effect. The former did not have a significant alleviation for permafrost degrading, especially in the short term, while the latter was more effective during the whole life.
关键词	HEAT PIPES PIPELINE
英文关键词	Patchy permafrost; Positive temperature pipeline; Temperature field; Field monitoring; Numerical analysis; Disease treatment
语种	英语
WOS研究方向	Engineering ; Geology
WOS类目	Engineering, Environmental ; Engineering, Geological ; Geosciences, Multidisciplinary
WOS记录号	WOS:000607022500002
来源期刊	BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
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/254282
作者单位	[Shi, Rui; Wen, Zhi] Chinese Acad Sci, State Key Lab Frozen Soil Engn, Northwest Inst Ecoenvironm & Resources, Lanzhou 730000, Peoples R China; [Shi, Rui] Univ Chinese Acad Sci, Beijing 100049, Peoples R China; [Wang, Xu; Wen, Zhi] Lanzhou Jiaotong Univ, Dong Gang West Rd 320, Lanzhou 730000, Gansu, Peoples R China; [Li, Desheng] Shanghai Jiao Tong Univ, State Key Lab Ocean Engn, Shanghai 200240, Peoples R China
推荐引用方式 GB/T 7714	Shi, Rui,Wang, Xu,Wen, Zhi,et al. Estimates on thermal impact of gas-line and alleviating effect of countermeasures in patchy permafrost of northwestern China[J]. 中国科学院西北生态环境资源研究院,2021,80(3).
APA	Shi, Rui,Wang, Xu,Wen, Zhi,&Li, Desheng.(2021).Estimates on thermal impact of gas-line and alleviating effect of countermeasures in patchy permafrost of northwestern China.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,80(3).
MLA	Shi, Rui,et al."Estimates on thermal impact of gas-line and alleviating effect of countermeasures in patchy permafrost of northwestern China".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 80.3(2021).