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DOI10.3390/rs13101974
Spatial Analyses and Susceptibility Modeling of Thermokarst Lakes in Permafrost Landscapes along the Qinghai-Tibet Engineering Corridor
Yin, Guoan; Luo, Jing; Niu, Fujun; Zhou, Fujun; Meng, Xianglian; Lin, Zhanju; Liu, Minghao
通讯作者Luo, J (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
EISSN2072-4292
卷号13期号:10
英文摘要Thermokarst lakes (TLs) caused by the thaw of massive ground ice in ice-rich permafrost landscapes are increasing and have strong impacts on the hydro-ecological environment and human infrastructure on the Qinghai-Tibet Plateau (QTP), however, its spatial distribution characteristics and environmental controls have not been underrepresented at the local scale. Here, we analyzed the spatial distribution of small TLs along the Qinghai-Tibet Engineering Corridor (QTEC) based on high-resolution (up to 2.0 m) satellite images. The TLs gathered in the plains and upland plateau and covered 8.3% of the QTEC land. We deployed a random-frost method to investigate the suitable environmental conditions for TLs. Climate including summer rainfall and the air temperature was the most important factor controlling the TL distribution, followed by topography and soil characteristics that affected the ground ice content. TL susceptibility was mapped based on the combinations of climate, soil, and topography grid data. On average, around 20% of the QTEC area was in a high to very-high-susceptibility zone that is likely to develop TLs in response to climate change. This study improved the understanding of controlling factors for TL development but also provided insights into the conditions of massive ground ice and was helpful to assess the impacts of climate change on ecosystem processes and engineering design.
关键词SURFACE GROUND-ICEBEILUHE BASINACTIVE LAYERNORTHERN-HEMISPHERETHERMAL REGIMETHAW LAKESPLATEAUIMPACTSMECHANISMRAILWAY
英文关键词geomorphology; environment; remote sensing; machine learning; susceptibility map
语种英语
WOS研究方向Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS记录号WOS:000662492100001
来源期刊REMOTE SENSING
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/254292
作者单位[Yin, Guoan; Luo, Jing; Niu, Fujun; Lin, Zhanju; Liu, Minghao] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China; [Zhou, Fujun; Meng, Xianglian] China Railway First Survey & Design Inst Grp Co L, Xian 710043, Peoples R China
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GB/T 7714
Yin, Guoan,Luo, Jing,Niu, Fujun,et al. Spatial Analyses and Susceptibility Modeling of Thermokarst Lakes in Permafrost Landscapes along the Qinghai-Tibet Engineering Corridor[J]. 中国科学院西北生态环境资源研究院,2021,13(10).
APA Yin, Guoan.,Luo, Jing.,Niu, Fujun.,Zhou, Fujun.,Meng, Xianglian.,...&Liu, Minghao.(2021).Spatial Analyses and Susceptibility Modeling of Thermokarst Lakes in Permafrost Landscapes along the Qinghai-Tibet Engineering Corridor.REMOTE SENSING,13(10).
MLA Yin, Guoan,et al."Spatial Analyses and Susceptibility Modeling of Thermokarst Lakes in Permafrost Landscapes along the Qinghai-Tibet Engineering Corridor".REMOTE SENSING 13.10(2021).
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