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	Numerical Modeling of the Active Layer Thickness and Permafrost Thermal State Across Qinghai-Tibetan Plateau
	Qin, Yanhui1,2; Wu, Tonghua1; Zhao, Lin1; Wu, Xiaodong1; Li, Ren1; Xie, Changwei1; Pang, Qiangqiang1; Hu, Guojie1; Qiao, Yongping1; Zhao, Guohui3
刊名	JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
	2017-11-16
卷号	122期号:21页码:11604-11620
ISSN号	2169-897X
DOI	10.1002/2017JD026858
通讯作者	Wu, Tonghua(thuawu@lzb.ac.cn)
英文摘要	The dynamics of permafrost (including the permafrost thermal state and active layer thicknesses (ALT)) across the Qinghai-Tibetan Plateau (QTP) have not been well understood on a large scale. Here we simulate the ALT and permafrost thermal state using the Geophysical Institute Permafrost Lab version 2 (GIPL2) model across the QTP. Based on the single-point simulations, the model is upscaled to the entire QTP. The upscaled model is validated with five investigated regions (IRs), including Wenquan (WQIR), Gaize (GZIR), Aerjin (AEJIR), Xikunlun (XKLIR), and Qinghai-Tibetan Highway (G109IR). The results show that the modified GIPL2 model improves the accuracy of the permafrost thermal state simulations. Due to our simulated results on the QTP, the average ALT is of 2.30 m (2.21-2.40 m). The ALT decreases with an increase in the altitude and decreases from the southeast to the northwest. The ALT is thin in the central QTP, but it is thick in the high-elevation mountain areas and some areas surrounding glaciers and lakes. The largest ALT is found in the border areas between permafrost and seasonally frozen ground regions. The simulated results of the MAGT (the mean annual ground temperature) indicate that most of the permafrost is substable, which is sensitive to climate warming. The simulated results would be of great significance on assessing the impacts of permafrost dynamics on local hydrology, ecology, and engineering construction.
收录类别	SCI
WOS关键词	INTERNATIONAL POLAR YEAR ; SITU TEMPERATURE-MEASUREMENTS ; FROZEN SOIL PARAMETERIZATION ; YELLOW-RIVER ; CARBON DYNAMICS ; ORGANIC-CARBON ; CENTRAL ALASKA ; NORTH-AMERICA ; CENTRAL-ASIA ; SOURCE AREA
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
语种	英语
出版者	AMER GEOPHYSICAL UNION
WOS记录号	WOS:000417195500030
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2558030
专题	寒区旱区环境与工程研究所
通讯作者	Wu, Tonghua
作者单位	1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Cryosphere Res Stn Qinghai Tibetan Plateau, Lanzhou, Gansu, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, Peoples R China 3.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Big Data Ctr Sci Cold & Arid Reg, Lanzhou, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Qin, Yanhui,Wu, Tonghua,Zhao, Lin,et al. Numerical Modeling of the Active Layer Thickness and Permafrost Thermal State Across Qinghai-Tibetan Plateau[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(21):11604-11620.
APA	Qin, Yanhui.,Wu, Tonghua.,Zhao, Lin.,Wu, Xiaodong.,Li, Ren.,...&Hao, Junming.(2017).Numerical Modeling of the Active Layer Thickness and Permafrost Thermal State Across Qinghai-Tibetan Plateau.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(21),11604-11620.
MLA	Qin, Yanhui,et al."Numerical Modeling of the Active Layer Thickness and Permafrost Thermal State Across Qinghai-Tibetan Plateau".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.21(2017):11604-11620.

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