Cui Zhijiu.Debris Flow Deposit and Its Signification on Hazards Prevention and Reduction[J].Research of Soil and Water Conservation,1999,6(04):2-9.
泥石流沉积与环境及其在防灾减灾上的意义
- Title:
- Debris Flow Deposit and Its Signification on Hazards Prevention and Reduction
- Keywords:
- debris flow; environment; hazards prevention and reduction
- 摘要:
- 列出了5种泥石流沉积类型或亚相。A相：泥石流混杂层；B相；表泥层；C相：冲刷层；D相：底泥层；E相：泥层。一个沉积旋回的标准泥石流相序是始于D相，往上是A相、C相或B相，而C相是沉积间断的标志。泥石流沉积体随时间和空间有不同的分布和变化。在泥石流扇形地的不同部位，泥石流沉积相的系列与标准沉积相系列相比会有一定的差异，但保留主要因子。
- Abstract:
- The debris flow deposit is totally divided into five varieties or facies,that is,the diamition layer of debris flow,facies A;surface mud layer,facies B;erosional layer,facies C;bottom mud layer,facies D;mud layer,facies E.The standard facies model of debris flow deposit begins with the bottom mud layer,facies D,upward facies A and facies C or B,and the facies C is mark of depositional interface.In terms of distribution and change of debris flow deposit body in space and time,the facies sequences in different parts of debris flow fan are slightly different as compared with the standard facies model,but with some differences.
参考文献/References:
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备注/Memo
收稿日期:1999-9-25