| Brief Communication |
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| A framework of numerical simulation on moraine-dammed glacial lake outburst floods |
| ZHANG Xiujuan1,2*, LIU Shiyin1 |
1 State Key Laboratory of Cryospheric Sciences, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract Glacial outburst floods (GLOFs) in alpine regions tend to be relatively complicated, multi-stage catastrophes, capable of causing significant geomorphologic changes in channel surroundings and posing severe threats to infrastructure and the safety and livelihoods of human communities. GLOF disasters have been observed and potential hazards can be foreseen due to the newly formed glacial lakes or the expansion of existing ones in the Poiqu River Basin in Tibet, China. Here we presented a synthesis of GLOF-related studies including trig-gering mechanism(s), dam breach modeling, and flood routing simulation that have been employed to re-construct or forecast GLOF hydrographs. We provided a framework for probability-based GLOFs simulation and hazard mapping in the Poiqu River Basin according to available knowledge. We also discussed the un-certainties and challenges in the model chains, which may form the basis for further research
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Received: 22 January 2015
Published: 10 December 2015
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| Fund: The National Key Technology Research and Development Pro-gram and the Key Basic Research Program of the Ministry of Science and Technology of China (2012BAC19B07, 2013FY111400) and the National Natural Science Foundation of China (41190084) |
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Corresponding Authors:
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