Changes in glaciers and glacial lakes and the identification of dangerous glacial lakes in the Pumqu river basin, Xizang (Tibet)

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題名:	Changes in glaciers and glacial lakes and the identification of dangerous glacial lakes in the Pumqu river basin, Xizang (Tibet)
作者:	劉說安;Che, Tao;Xiao, Lin;Liou, Yuei-An
貢獻者:	太空及遙測研究中心
關鍵詞:	Basins;Bibliometrics;Dangerous;Floods;Freshwater;Glacial lakes;Glaciers;Identification and classification;Inventories;Lakes;Natural history;Precipitation variability;Remote sensing;River basins;Rivers;Software;Stockpiling;Tibet;Topography
日期:	2014-02-17
上傳時間:	2026-04-21 14:30:17 (UTC+8)
出版者:	Hindawi Limited;Cairo, Egypt: Hindawi Limiteds
摘要:	摘要： Latest satellite images have been utilized to update the inventories of glaciers and glacial lakes in the Pumqu river basin, Xizang (Tibet), in the study. Compared to the inventories in 1970s, the areas of glaciers are reduced by 19.05% while the areas of glacial lakes are increased by 26.76%. The magnitudes of glacier retreat rate and glacial lake increase rate during the period of 2001–2013 are more significant than those for the period of the 1970s–2001. The accelerated changes in areas of the glaciers and glacial lakes, as well as the increasing temperature and rising variability of precipitation, have resulted in an increased risk of glacial lake outburst floods (GLOFs) in the Pumqu river basin. Integrated criteria were established to identify potentially dangerous glacial lakes based on a bibliometric analysis method. It is found, in total, 19 glacial lakes were identified as dangerous. Such finding suggests that there is an immediate need to conduct field surveys not only to validate the findings, but also to acquire information for further use in order to assure the welfare of the humans. 出版者： Cairo, Egypt: Hindawi Limiteds 出版日期： 2014-01-01 出處： Advances in Meteorology, 2014-01, Vol.2014 (2014), p.n1-8-0127 資源來源：中文電子期刊服務 CEPS: Chinese Electronic Periodical Services 版權： Copyright © 2014 Tao Che et al. 版權： COPYRIGHT 2014 John Wiley & Sons, Inc. 版權： COPYRIGHT 2014 Hindawi Limited 版權： Copyright © 2014 Tao Che et al. Tao Che et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 識別號： ISSN: 1687-9309 識別號： ISSN: 1687-9317 識別號： EISSN: 1687-9317 識別號： DOI: 10.1155/2014/903709
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