呼和浩特至杀虎口(蒙晋界)段公路水土流失与预测分析  

Prediction of Water Loss and Soil Erosion of the Highway of Hohhot to Shahukou

作　　者：陈雅楠 申书元 Chen Yanan;Shen Shuyuan(Inner Mongolia Water Resources and Hydropower Survey and Design Institute Co.,Ltd.,Hohhot 010000,Inner Mongolia;Inner Mongolia Water Conservancy Development Center,Hohhot 010020,Inner Mongolia)

机构地区：[1]内蒙古自治区水利水电勘测设计院有限公司,内蒙古呼和浩特010000 [2]内蒙古自治区水利事业发展中心,内蒙古呼和浩特010020

出　　处：《陕西水利》2023年第5期100-103,共4页Shaanxi Water Resources

摘　　要：长距离线性道路工程施工周期长、扰动面积大,容易造成严重的水土流失,同时,由于工程所穿越地区的地质条件不同,需要分区讨论水土流失情况。以内蒙古自治区呼和浩特至杀虎口(蒙晋界)段公路为例,在实地调查与经验类比相结合的基础上,确定工程平原区及丘陵区的风蚀模数分别为1000 t/(km^(2)·a)和2000 t/(km^(2)·a),水蚀模数分别为500 t/(km^(2)·a)和3000 t/(km^(2)·a)。根据施工进度安排和监测结果 ,预测工程施工期造成的水土流失面积为1019.69 hm^(2),自然恢复期水土流失面积为375.48 hm^(2),工程建设期内共产生水土流失总量547914 t,其中新增流失量378487 t。The long-distance highway engineering has a long construction period and a large disturbed area,which is easy to cause serious soil erosion.At the same time,due to the different geological conditions of the areas where the project crosses,it is necessary to discuss the soil erosion in different areas.Taking the highway of Hohhot to Shahukou as an example,on the basis of field investigation and empirical analogy,the wind erosion modulus in the plain area and the hilly area of the project is determined to be 1000 t/(km^(2)·a)and 2000(km^(2)·a),respectively,and the water erosion modulus is determined to be 500 t/(km^(2)·a)and 3000 t/(km^(2)·a)respectively.According to the construction schedule and monitoring results,it is predicted that the area of soil erosion caused by the construction period of the project will be 1019.69 hm^(2),and the area of soil erosion during the natural recovery period will be 375.48 hm^(2).The total amount of soil erosion during the project construction period will be 547914 t,of which 378487 t will be added.

关 键 词：水土流失预测 风蚀模数 水蚀模数 公路工程 

分 类 号：S157.2[农业科学—土壤学]