5篇
您的检索式：作者名="Cheng Zunlan"
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| 1 | Modeling Experiment of Break of Debris-Flow Dam显示文摘Glaciers are extensively developed in the southwest of Tibet and the moraines are widely distributed with large depth. Large-scale debris flows are often reported which blocked rivers and formed dams. In this paper,seven large debris flows in four valleys are discussed,among which five dams developed. 13 sets of ex-periments have been conducted in laboratory to simulate the forma-tion and failure of the dam. Finally,a model of dam failure is pro-posed and a formula is established to calculate the flood discharge:Q k bh hk BG0.41= T L,where bk is the outlet width of the dam at the original water level,hk the erosive depth,T the time from overflow to final state of failure,the average width of lake;L the length of the lake,and G the total potential energy of the water in the lake. | CHENG Zunlan GENG Xueyong DANG Chao LIU Jingjing | 2007 | Wuhan University Journal of Natural Sciences2007，12，4： | 3 |
| 2 | Debris flows resulting from glacial-lake outburst floods in Ti- bet, China 显示文摘 | Cui Peng Dang Chao Cheng Zunlan | 2010 | Physical Geography2010，31，6： | 1 |
| 3 | Temporal variation of intermittent surges of debris flow显示文摘 | Jingjing Liu Yong Li Pengcheng Su Zunlan Cheng Peng Cui | 2008 | Journal of Hydrology2008，，3： | 1 |
| 4 | Debris flows resul- ting from glacial-lake outburst floods in Tibet, China显示文摘 | Cui Peng Dang Chao Cheng Zunlan | 2010 | Physi- cal Geography2010，31，6： | 1 |
| 5 | Debris Flow Dam Formation in Southeast Tibet显示文摘Glaciers with their deposits abound in the alpine areas of Southeast Tibet. Large debris flows occur frequently from these deposits and form dams that block streams. In this paper,3 events of large debris flows reported in Peilong Valley located in Southeast Tibet,and which resulted 2 blocking dams resulted,are discussed in details,focusing on the major factors controlling dam formation. The results shows that the first surge group caused by snow and ice avalanches,ice-lake breaks,and large-scale landslides,with a high peak discharge and high velocity,and an abundance of boulders,are most likely to form blocking dams. | CHENG Zunlan WU Jishan GENG Xueyong | 2005 | Journal of Mountain Science2005，2，2： | 0 |
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