坡面细沟侵蚀形态演变与量化研究评述

发布时间：2018-10-21 17:04

【摘要】：坡面细沟形态是一个降雨驱动下侵蚀产沙的微地形动态响应系统,这一地形因素体现着坡面侵蚀动力学各要素及其相互作用,是基于物理过程的水蚀预报模型的关键部分。要建立具有物理意义的坡面侵蚀产流产沙预报模型,就必须从地形角度对细沟形态及其演化过程进行深入研究。评述了近年来国内外在坡面细沟形态演变与量化领域的相关研究成果,从理论研究和观测方法两方面剖析了制约研究发展的因素,提出了推动该研究发展的对策,即:构建细沟形态量化参数评价标准,从建立"状态+时间"综合量化模式入手,以坡面细沟形态为切入点,研究一个连续降雨过程中细沟形态的发育过程与降雨侵蚀产沙过程的关系,定量揭示坡面侵蚀响应规律。
[Abstract]:The ravine shape is a micro-terrain dynamic response system for sediment yield and erosion driven by rainfall. This topographic factor embodies the various elements of slope erosion dynamics and its interaction, and is a key part of the water erosion prediction model based on physical process. In order to establish a physical model for predicting runoff and sediment yield on slope erosion, it is necessary to deeply study the ravine morphology and its evolution process from the angle of topography. This paper reviews the related research achievements in the field of evolution and quantification of slope rill morphology at home and abroad in recent years, analyzes the factors restricting the development of the research from the aspects of theoretical research and observation methods, and puts forward the countermeasures to promote the development of the research. That is, to construct the evaluation standard of the quantitative parameters of the rill form, starting with the establishment of the comprehensive quantification model of "state time", taking the ravine shape on the slope as the starting point, The relationship between the development of ravine morphology and the process of rainfall erosion and sediment yield during a continuous rainfall was studied, and the response law of slope erosion was revealed quantitatively.
【作者单位】：黄河水利科学研究院水利部黄土高原水土流失过程与控制重点实验室;河海大学水文水资源与水利工程科学国家重点实验室;
【基金】：国家自然科学基金项目(51409110) 河南省创新型科技人才队伍建设工程项目(162101510004) 中央级公益性科研院所基本科研业务费专项资金项目(HKY-JBYW-2014-2)
【分类号】：S157.1

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