摘要
描述了碎石土的颗粒特征,从土壤优先流形成的内因入手,分析了碎石土优先流形成的客观条件。辩证地分析了碎石土与一般田间土体的异同,结合碎石土的特性分析,介绍能量理论以及优先流二域模型中的运动波模型和管流模型。最后,结合碎石土斜坡优先流的研究进展,对碎石土斜坡优先流研究提出展望,并指出开展碎石土优先流机理研究存在的一些问题。
The characteristic of debris＇ grain composition was generally described. Began with the immanent cause of formative soil preferential flow, the objective factor of formative debris preferential flow was analyzed .The common and difference between debris and general soil were dialectically analyzed. Kinematical Wave Model and Channeling Flow Model among Two--~egion Model were introduced. At last, combined with present condition of preferential flow of debris slope, put forward some vistas to the study of debris preferential flow, what＇ s more, some existing problems of recent research of debris preferential flow were point out.
出处
《中国科技信息》
2012年第6期58-59,共2页
China Science and Technology Information
关键词
碎石土
优先流
机理
debris
preferential flow
mechanism
