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[1]沈玉芳,高明霞,吴永红.黄土高原不同植被类型与降水因子对土壤侵蚀的影响研究[J].水土保持研究,2003,10(02):13-16,49.
　SHEN Yufang,GAO Mingxia,WU Yonghong.Researches of the Effects of Vegetation Types and Rainfall on Soil Erosion on Loess Plateau[J].Research of Soil and Water Conservation,2003,10(02):13-16,49.

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黄土高原不同植被类型与降水因子对土壤侵蚀的影响研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 10 期数: 2003年02期页码: 13-16,49 栏目: 出版日期: 1900-01-01

Title:: Researches of the Effects of Vegetation Types and Rainfall on Soil Erosion on Loess Plateau

作者:: 沈玉芳¹, 高明霞¹, 吴永红²; 1. 西北农林科技大学资源环境学院, 陕西, 杨陵712100;
2. 中国科学院水生生物研究所, 湖北, 武汉430072

Author(s):: SHEN Yufang¹, GAO Mingxia¹, WU Yonghong²; 1. College of Resource and Environment, Northwestern Sci tech University of Agriculture and Forestry, Yangling 712100, Shanxi, China;
2. Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, Hubei, China

关键词:: 水土流失; 被覆度; 侵蚀速率; 模型

Keywords:: soil and water loss; vegetative cover; soil erosion ratio; model

分类号:: S157.1

摘要:: 根据辛店沟1955年到1959年坡面径流小区的观测资料,分析了不同植被(高粱豇豆、苜蓿、草木樨)被覆度与降水(包括雨量(P)、雨强(I)以及PI乘积(PI₃₀))与侵蚀速率的关系.结果表明土壤侵蚀速率随雨量,雨强及PI乘积的增加呈幂函数增加,但随被覆度的增加呈下降趋势.在PI₃₀相同时,不同植被对土壤侵蚀速率的影响也不同.应用USLE(The Universal Soil Loess Equation)分别模拟了三种不同植被被覆度与降水因子对土壤侵蚀的关系方程和辛店沟全流域的水土流失方程;深入探讨了植被被覆度和降水对土壤侵蚀的作用规律

Abstract:: Based on the observed data from 1955 to 1959 from runoff plots in Xindian Gully of Suide Soil and Water Conservation Experiment Station,effects of vegetation cover,vegetation types,rainfall and its intensity on soil erosion were discussed.And the results indicated that soil loss ratio decreased exponentially with the increase of vegetation cover,while it increased powerfully with the increase of rainfall,rainfall intensity and PI 30 .Based on the principle of USLE(The Universal Soil Loess Equation),soil and water loss equations were simulated across the whole watershed.The main characteristics and laws of soil and water conservation by vegetation and rain are comprehensively expounded,and its systematic summarization is made.

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备注/Memo

收稿日期:2002-11-27
作者简介:沈玉芳(1975- ),女,江苏建湖人,硕士研究生,主要从事土壤环境方面研究.

更新日期/Last Update: 1900-01-01