[1]田耀武,田国行,苏金乐,等.高速公路不同边坡土壤保持措施对土壤侵蚀速率影响分析[J].水土保持研究,2006,13(01):80-82.
　TIAN Yao-wu,TIAN Guo-hang,SU Jin-le,et al.Analysis on the Influence of Soil and Water Conservation Means on Soil Erosion Rate of Freeway Slope[J].Research of Soil and Water Conservation,2006,13(01):80-82.
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高速公路不同边坡土壤保持措施对土壤侵蚀速率影响分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 13 期数: 2006年01期 页码: 80-82 栏目: 出版日期: 1900-01-01
Title:
Analysis on the Influence of Soil and Water Conservation Means on Soil Erosion Rate of Freeway Slope
作者:
田耀武1, 田国行1, 苏金乐1, 朱红梅2
1. 河南农业大学林学园艺学院 郑州 450002;
2. 河南大学新区建设指挥部 开封 475001
Author(s):
TIAN Yao-wu1, TIAN Guo-hang1, SU Jin-le1, ZHU Hong-mei2
1. College of Forestory and Horticulture, Henan Agricultural University, Zhengzhou 450002;
2. Construction Headquarters of Henan University New Development Area, Kaifeng 475001, China
关键词:
边坡; 土壤侵蚀速率; 模型; 降雨强度; 植被盖度; 土壤保持效率; 小拱架工程防护; 方块网工程防护
Keywords:
slope; soil erosion rate; model rainfall intensity; vegetative cover; soil conservation ratio; arch engineering protection; pane protection
分类号:
S157;U412.366
摘要:
研究郑州西南绕城高速公路边坡不同土壤保持工程措施，在一定植被盖度（90%、70%、50%、30%、10%）下，不同降雨强度对土壤侵蚀速率的影响。按照区组试验设计，对郑州西南绕城高速公路小拱架、方形网状、未实施工程措施的三种类型边坡在不同降雨强度下产生的土壤侵蚀速率进行了测定。建立一定盖度下，土壤侵蚀速率与降雨强度关系15种模型。利用模型和降雨强度区间的不定积分计算不同工程类型的土壤保持效率。结果表明：三种类型边坡，土壤侵蚀速率随降雨强度呈幂函数增加；小拱架、方形网土壤保持效率随盖度的增大而增大，当盖度为50%~70%时达到最大值，后随盖度的增大而减小。小拱架土壤保持效率平均为方形网防护的1.28倍。
Abstract:
Based on the observed data of Zhengzhou southwest exurban freeway,the effects between soil erosion and rainfall are discussed with the vegetative cover rate(90%,70%,50%,30%,10%) .According to the experimental scheme,some indexes of soil erosion rate were measured in small arch protection slope,pane protection slope and nature slope.And it simulated the soil and water loss equations between the soil erosion and rainfall intensity in five vegetation coverage levels.And results indicated that soil loss ratio decreased exponentially with the increase of vegetation cover,while it increased powerfully with the increase of rainfall intensity.The different ecological protection measures reduced effect under different rainfall intensity with different vegetation cover ratio levels.The protection efficiency increased with coverage rate.When vegetative cover was 50%～70%,it reached the maximum,and then it decreased with vegetative cover.The arch protection efficiency was avevagely 1.28 times than pane protection.

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备注/Memo

收稿日期:2005-1-22;
基金项目:河南省科技攻关项目（0424450009）：黄土沟壑地带高速公路景观和生态防护体系研究与示范（部分）；河南省科技成果（9412004Y0822）
作者简介:田耀武（1972- ），男，河南省禹州市人，研究生，研究方向为城市景观生态.

更新日期/Last Update: 1900-01-01