泥石流阵流及其活动规律 | |
倪化勇 ; 吕学军 | |
刊名 | 水土保持研究
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2005 | |
卷号 | 12期号:6页码:242-244 |
关键词 | 泥石流 阵流 蒋家沟 幂律规则 流量过程线 |
其他题名 | Intermittent Debris Flow and Its Activity Rule |
通讯作者 | 倪化勇 |
合作状况 | 其它 |
中文摘要 | 阵流是黏性泥石流的主要运动形式。选择蒋家沟1987-1994年8年间运动过程完整,阵次明显并且观测资料齐全的50次典型泥石流作为研究对象,讨论泥石流阵流产生的原因,并统计分析泥石流阵流的活动规律和特征。通过对完整的泥石流暴发过程进行分析,发现泥石流阵流径流量与阵流频次之间存在幂律关系;通过对历年典型泥石流流量过程的分析,发现蒋家沟泥石流阵流活动具有多峰性与多时段性。对于进一步认识泥石流(尤其是黏性泥石流)的运动规律和运动特征具有重要参考价值。 |
英文摘要 | Intermittent debris flow is the m ost impo rt ant mo ving form o f v iscous debr is flow s. Accor ding t o field o bser vation mater ials of debr is flow along Jiang jia rav ine betw een 1987 and 1994, 50 times typical debr is flow s with who le o ccur ring pro cess, o bvio us int ermittent character istics and detailed observ atio n r ecor ds w ere chosen as the resear ch o bject. After analy zing the o ccur ring rea so ns o f debr is flow , the rules and char acteristics o f intermittent debr is flow wer e discussed. As one w ith w ho le o ccur ring pr ocess of intermit tent debris flow be co ncer ned, there ex ists an obv ious power-law r elatio nship bet ween runoff a nd frequency of intermit tent debr is flow ; as the dischar g e cur ve o f the intermit tent debr is flow of t he past ev ery year be co ncer ned, intermittent debr is flow has t he fo llowing tw o character istics: ( 1) One w it h w hole occurr ing pr ocess usually has different mo unts( usually from o ne to four ) ; ( 2) t ho ugh t he la rg est dischar g e usually o ccur s at pr ophase, it still a ppears that the larg est dischar ge o ccur s a t mor e than o ne stag e. T his resear ch has refer ence sense to fur ther r ecog nize t he mo vement r ule and char act erist ics o f debr is flow ( especially v iscous debr is flow ) . |
分类号 | P642.23 |
语种 | 中文 |
公开日期 | 2010-07-12 |
内容类型 | 期刊论文 |
源URL | [http://ir.imde.ac.cn/handle/131551/545] ![]() |
专题 | 成都山地灾害与环境研究所_成都山地所知识仓储(2009年以前) |
推荐引用方式 GB/T 7714 | 倪化勇,吕学军. 泥石流阵流及其活动规律[J]. 水土保持研究,2005,12(6):242-244. |
APA | 倪化勇,&吕学军.(2005).泥石流阵流及其活动规律.水土保持研究,12(6),242-244. |
MLA | 倪化勇,et al."泥石流阵流及其活动规律".水土保持研究 12.6(2005):242-244. |
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