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DOI10.3389/feart.2022.832701
Changes in the Surface Elevation of the Laohugou Glacier No. 12 in Western Qilian Mountains
Liu, Yushuo; Qin, Dahe; Li, Yanzhao; Qin, Xiang; Li, Zhenlin; Wang, Jing; Jin, Zizhen; Wang, Lihui
通讯作者Liu, YS (通讯作者),Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Qilian Observat & Res Stn Cryosphere & Ecol Envir, Lanzhou, Peoples R China. ; Liu, YS (通讯作者),Univ Chinese Acad Sci, Beijing, Peoples R China.
发表日期2022
EISSN2296-6463
卷号10
英文摘要As the largest valley glacier in the Qilian Mountains, the Laohugou glacier No. 12 (LHG12) has shrunk significantly since 1957. In this study, two topographic maps and a WorldView-2 satellite stereopair image data were used to assess the volume and cumulative mass balance of LHG12 located at the western Qilian Mountains during 1957-2015. During the study period, the LHG12 exhibited changes in two processes: slightly ablation and stability in a brief period during 1957-1989 and strong melting and accelerated ablation during 1989-2015. During 1957-2015, the volume of LHG12 decreased by 0.38 km(3), the average thickness decreased by 17.23 m, the cumulative mass balance (MB) was -14.69 +/- 3.00 m w. e., and ablation was found glacier-wide. By comparing the previous MB simulation and digital elevation model (DEM) differencing results, it was found that the MB simulation results underestimated the strong melting trend of LHG12 since the 1990s. Temperature rose, especially in autumn and winter, and could cause the ice temperature of LHG12 to increase, and LHG12 may become more sensitive to climate change.
关键词MASS-BALANCECHINA
英文关键词glacier mass balance; glacier volume; glacier change; qilian mountains; glacier surface elevation
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000760682700001
来源期刊FRONTIERS IN EARTH SCIENCE
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/253956
作者单位[Liu, Yushuo; Li, Yanzhao; Qin, Xiang; Jin, Zizhen; Wang, Lihui] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Qilian Observat & Res Stn Cryosphere & Ecol Envir, Lanzhou, Peoples R China; [Liu, Yushuo; Qin, Dahe; Li, Yanzhao; Jin, Zizhen; Wang, Lihui] Univ Chinese Acad Sci, Beijing, Peoples R China; [Qin, Dahe] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Lanzhou, Peoples R China; [Li, Zhenlin; Wang, Jing] Gansu Bur Surveying Mapping & Geoinformat, Geomat Ctr Gansu Prov, Lanzhou, Peoples R China
推荐引用方式
GB/T 7714
Liu, Yushuo,Qin, Dahe,Li, Yanzhao,et al. Changes in the Surface Elevation of the Laohugou Glacier No. 12 in Western Qilian Mountains[J]. 中国科学院西北生态环境资源研究院,2022,10.
APA Liu, Yushuo.,Qin, Dahe.,Li, Yanzhao.,Qin, Xiang.,Li, Zhenlin.,...&Wang, Lihui.(2022).Changes in the Surface Elevation of the Laohugou Glacier No. 12 in Western Qilian Mountains.FRONTIERS IN EARTH SCIENCE,10.
MLA Liu, Yushuo,et al."Changes in the Surface Elevation of the Laohugou Glacier No. 12 in Western Qilian Mountains".FRONTIERS IN EARTH SCIENCE 10(2022).
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