[1]崔鹏,何易平,陈杰,等.泥石流输沙及其对山区河道的影响[J].山地学报,2006,(05):539.
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泥石流输沙及其对山区河道的影响()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2006年05期
页码:
539
栏目:
山地学报
出版日期:
2006-09-30

文章信息/Info

作者:
崔鹏;何易平;陈杰;
中国科学院水利部成都山地灾害与环境研究所;College of Engineering San Diego State University San Diego;CA 92182 USA;西南大学地理科学学院;四川成都610041;重庆 400715
关键词:
泥石流; 输沙; 冲淤; 交汇; 河床演变
文献标志码:
A
摘要:
泥石流能在很短时间内将大量大小混杂的固体物质输入主河,影响主河河床演变,形成灾害。在连续观测资料的基础上,对泥石流输沙的强度、级配和时空分布特征进行了分析。通过实际测量,分析了泥石流在沟道内冲淤特征以及影响泥石流冲淤特征的因素,如泥石流活动规模和局部沟道条件等。通过水槽实验,分析了泥石流与主河交汇的机理,将泥石流入汇主河的模式概括为掺混模式、潜入模式、推进模式和堵河模式,并且从能量角度阐释了汇流区的水沙交汇特征,提出了泥石流堵江的判据。最后,分析了泥石流多发区受泥石流入汇影响,主河河床在平面形态、横断面形态、纵断面形态和河型等方面的变化特征。

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更新日期/Last Update: 2006-09-30