Linkage between permafrost distribution and river runoff changes across the Arctic and the Tibetan Plateau

doi:10.1007/s11430-018-9383-6

CORC > 成都山地灾害与环境研究所 > 中国科学院水利部成都山地灾害与环境研究所 > 山地表生过程与生态调控重点实验室

	Linkage between permafrost distribution and river runoff changes across the Arctic and the Tibetan Plateau
	Song, Chunlin 1,2; Wang, Genxu 2; Mao, Tianxu 3; Dai, Junchen 1,2; Yang, Daqing 4
刊名	SCIENCE CHINA-EARTH SCIENCES
	2020-02-01
卷号	63 期号:2 页码:292-302
关键词	Permafrost hydrology Arctic rivers Tibetan Plateau rivers Permafrost degradation Runoff change
ISSN号	1674-7313
DOI	10.1007/s11430-018-9383-6
产权排序	1
文献子类	Article
英文摘要	River runoff in the Arctic and the Tibetan Plateau (TP) change significantly in recent decades. However, the mechanisms of the physical processes of permafrost river runoff change remain uncertain across large scale. This study investigated the mainstreams and tributaries of main Arctic and TP rivers dominated by permafrost and assessed the linkage between hydrological regime change and permafrost. The results show that the effects of permafrost on river runoff are highly dependent on the permafrost coverage of a watershed. For the past decades, the majority of the Arctic and TP basins showed increased discharge, while all of the studied basins showed increased baseflow, with faster increasing speed than total discharge. Both total discharge and baseflow annual change rate (Delta Q and Delta BF) increased with permafrost coverage, indicating the increments of streamflow are enhanced with high permafrost coverage. Meanwhile, the annual change of precipitation showed weak connection with total discharge and baseflow change. The high permafrost coverage basins showed high annual maximum/minimum discharge ratio (Q(max)/Q(min)), while the Q(max)/Q(min) changed slightly in low permafrost cover basins. Our results highlight the importance of permafrost coverage on streamflow regime change for permafrost basins across the northern hemisphere. Due to these linkage between permafrost extent and runoff regime change and the increasing changes of permafrost, more attention should be paid to the change of hydrological processes in permafrost-underlain basins.
电子版国际标准刊号	1869-1897
资助项目	Major Research Plan of the National Natural Science Foundation of China[91547203] ; National Natural Science Foundation of China[41890821] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA20050102]
WOS关键词	3-RIVER HEADWATERS REGION ; CLIMATE-CHANGE ; DEGRADATION ; DISCHARGE ; HYDROLOGY ; IMPACTS ; CHINA ; LAYER
WOS研究方向	Geology
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000517101300011
资助机构	Major Research Plan of the National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.imde.ac.cn/handle/131551/34038]
专题	成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室
通讯作者	Wang, Genxu
作者单位	1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China; 2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China; 3.Guizhou Univ, Coll Forestry, Guiyang 550025, Peoples R China; 4.Environm Canada, Natl Hydrol Res Ctr, Saskatoon, SK S7N 3H5, Canada
推荐引用方式 GB/T 7714	Song, Chunlin,Wang, Genxu,Mao, Tianxu,et al. Linkage between permafrost distribution and river runoff changes across the Arctic and the Tibetan Plateau[J]. SCIENCE CHINA-EARTH SCIENCES,2020,63(2):292-302.
APA	Song, Chunlin,Wang, Genxu,Mao, Tianxu,Dai, Junchen,&Yang, Daqing.(2020).Linkage between permafrost distribution and river runoff changes across the Arctic and the Tibetan Plateau.SCIENCE CHINA-EARTH SCIENCES,63(2),292-302.
MLA	Song, Chunlin,et al."Linkage between permafrost distribution and river runoff changes across the Arctic and the Tibetan Plateau".SCIENCE CHINA-EARTH SCIENCES 63.2(2020):292-302.