[1]黄金辉,刘建康,程尊兰,等.涌浪规模对冰碛湖溃决的影响实验[J].山地学报,2014,(02):241.
　HUANG Jinhui,LIU Jiankang,CHENG Zunlan,et al.An Experiment of the Effects of Waves on Glacial Lake Outburst Induced by Waves Overtopping[J].Mountain Research,2014,(02):241.
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涌浪规模对冰碛湖溃决的影响实验()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2014年02期
页码:
241
栏目:
山地灾害
出版日期:
2014-02-01

文章信息/Info

Title:
An Experiment of the Effects of Waves on Glacial Lake Outburst Induced by Waves Overtopping
作者:
黄金辉;刘建康;程尊兰;张小刚;刘大翔;赵鑫;
1. 中国科学院成都山地灾害与环境研究所/中国科学院山地灾害与地表过程重点实验室，四川成都 610041；
2. 中国科学院大学，北京 100049
Author(s):
HUANG Jinhui;  LIU Jiankang;  CHENG Zunlan;  ZHANG Xiaogang;  LIU Daxiang;  ZHAO Xin
1 Key Lab of Mountain Hazards and Surface Processes, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041,China; 2 University of Chinese Academy of Sciences, Beijing 100049, China
关键词:
涌浪; 冰碛湖; 冰碛湖溃决; 实验研究
Keywords:
waves overtopping;  glacial lake;  GLOF;  laboratory experiment
分类号:
P694
文献标志码:
A
摘要:
随着全球气候变暖,冰碛湖溃决灾害频发,冰碛湖溃决的触发机理研究成为关注点,其中由于冰(雪)崩坠湖触发的涌浪冲蚀破坏是冰碛湖溃决的主要因素。为探索研究涌浪诱发冰湖溃决的动力过程,设计了一套水槽系统进行模拟实验,探讨冰(雪)崩塌入湖诱发涌浪溃坝的发展过程及溃决流量特征,分析不同涌浪规模对溃坝形成机制的影响。结果表明:1.涌浪是冰碛湖坝体溃决的直接触发因素,在首浪及后续周期性折返涌浪的作用下坝体溃口逐渐形成,其后随着水势能增大,在下蚀、溯源侵蚀和侧蚀的共同作用下,坝体侵蚀率迅速加大,洪峰流量出现在这个阶段;2.涌浪规模越大,首浪对坝顶的侵蚀越充分,涌浪对坝体的侵蚀越迅速,坝体剖面形态线越稀疏。由于静...
Abstract:
As a result of recent climate warming, GLOFs become more frequently. More and more researchers focus on the mechanism of GLOFs, and find most of GLOFs are initiated by waves from ice avalanches that collapse into lakes. Under laboratory conditions, this paper studies the development and characteristics of dam failure caused by waves and focuses upon the effects of the different scales of waves on dam failure. Conclusions as followed: 1 Waves overtopping and erosion result in dam failure, and the breach gradually forms in the wake of the initial wave and the following waves. With the interaction of incision, lateral erosion and retrogressive erosion, the erosion rate increases and peak discharge emerges. 2 The lager the waves, the more the initial wave erodes dam crest, the higher the dam erosion rate, the thinner the instant profiles of dam every 1 second. Due to the higher rate of lateral erosion on the condition of static water level, the breach is wider than the dynamic one. 3 Under the condition of static water level, the first wave overtopping forms the initial discharge Q0, and the larger the waves, the larger the initial discharge Q0. Peak discharge Qm appears at the beginning of the dam failure, Qm forms earlier when the waves are larger.

参考文献/References:

[1] Xu Daoming, Feng Qinghua.Dangerous glacial lake and outburst features in Tibet Himalayas[J]. Acta Geographica Sinica, 1989,44(03):343-352[徐道明, 冯清华. 西藏喜马拉雅山区危险冰碛湖及其溃决特征[J]. 地理学报, 1989,44(03):343-352]
[2] Cui Peng, Ma Dongtao, Chen Ningsheng, et al.The intiation, motion and mitigation of debris flow caused by glacial lake outburst[J].Quaternary Sciences, 2003,(06):621-628[崔鹏, 马东涛, 陈宁生, 等 冰碛湖溃决泥石流的形成、演化与减灾对策[J]. 第四纪研究, 2003,(06):621-628]
[3] Richardson SD, Reynolds JM. An overview of glacial hazards in the Himalayas[J]. Quaternary International, 2000, 65/66:31-47
[4] Richardson SD. Remote sensing approaches for early warning of GLOF hazards in the Hindu Kush Himalayan region[R]. Prepared for the 22nd United Nations International Strategy for Disaster Reduction (UN/ISDR), June 2010.
[5] Vuichard D,M Zimmermann. The 1985 catastrophic rainage of a morainedammed lake, Khumbu Himal, Nepal: cause and consequences[J]. Mountain Research and Development, 1987, 7(2):91-110
[6] Iturrizaga L. Historical glacierdammed lakes and outburst floods in the Karambar valley (Hindukush-Karakoram)[J]. Geo Journel,2005,63:1-47
[7] Clague JJ and Evans SG. A review of catastrophic drainage of moraine dammed lakes in British Columbia[J]. Quaternary Science Reviews, 2000, 19:1763-1783
[8] Lliboutry L, Arnao BM, Pautre A, Schneider B. Glaciological problems set by the control of dangerous lakes in Cordillera Blanca, Peru[J]. Journal of Glaciology, 1977,18:239-254
[9] Awal R, Nakagawa H, Kawaike K, Baba Y, and Zhang H. Study on moraine dam failure and resulting flood/debris flow hydrograph due to waves overtopping and erision[G]//R. Genevois, D.L.Hamilton & A. Prestininzi(Eds), 5th International Conference on Debris-Flow Hazards Mitigation,Mechanics,Prediction and Assessment,Padua,2001:3-12
[10] Liu Jingjing, Cheng Zunlan,Li Yong,et al. A study of the outburst form of the endmoraine lake in Tibet[J]. Earth Science Frotiers, 2009, 04:372-380 [刘晶晶,程尊兰,李泳.西藏终碛湖溃决形式研究[J].地学前缘,2009,04:372-380]
[11] Jiang Zhongxin, Cui Peng, Jiang Liangwei. Critical hydrologic condition for overflow burst of moraine lake[J]. Journal of Rail Way Engineering Society, 2004,04:21-26[蒋忠信,崔鹏,蒋良潍.冰碛湖漫溢型溃决临界水文条件[J].铁道工程学报,2004,04:21-26]
[12] Balmforth, N. J, von Hardenberg, et al. Dam breaking by waveinduced erosional incision[J].Journal of Geophysical Research: Earth Surface, 2008, 113(F1):F01020.
[13] Balmforth, N. J, von Hardenberg, et al. Dambreaking seiches[J]. Journal of Fluid Mechanics,2008, 628(1):1-21

备注/Memo

备注/Memo:
收稿日期(Received date)：2013-07-05；修回日期（Accepted）：2014-01-15。
基金项目（Foundation item）：国家科技支撑计划项目（2012BAK10B02-4）；交通运输部科技项目(201231879210)；中交股份科技研发项目（2011-ZJKJ-04）。[This research was financially supported by National Key Technology R&D Program（Grant No. 2012BAK10B02-4）; Science and Technology Program of Ministry of Transport（Grant No. 201231879210）; The CCCC Technology R & D Projects（Grant No. 2011-ZJKJ-04）.]
作者简介（Biography）：黄金辉(1989－), 男(汉), 福建泉州人，硕士研究生, 主要从事山地灾害研究。[Huang Jinhui(1989-),male, Han nationality,born in Quanzhou of Fujian,Graduate, major in mountain hazards and prevention methods study.] Email:Huang.J.Hui@hotmail.com *
通信作者(Corresponding author): 程尊兰, 研究员。[Cheng Zunlan, Professor.] E-mail: czl@imde.ac.cn
更新日期/Last Update: 1900-01-01