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投稿e-mail: jbnuns_sub@bnu.edu.cn

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标题

公路建设对湿地水系连通性的影响及保护措施

作者

李晓珂 王红旗 李长江

机构

北京师范大学水科学研究院;吉林省高等级公路建设局

摘要

以湿地水文循环为基础,提出了湿地水系连通性的概念,在此基础上,选取延边地区2条公路5个路段为研 究对象,从结构连通性和功能连通性两个方面,分析公路构筑物、路基填筑方式等因素对水系连通性的影响,提出水系连 通性的相关保护技术.结果表明,涵洞是否正常运行会对公路两侧水流、物质迁移及植被状况产生较大的影响,在所选取 的路基填筑方式中,风化软岩+复合土工布路段对水系连通性影响最大,土工格栅路段次之,砂桩+复合土工布路段影 响最小.

关键词

公路建设;水系连通性;保护技术

引用

李晓珂, 王红旗, 李长江.公路建设对湿地水系连通性的影响及保护措施[J]. 北京师范大学学报(自然科学版),2015,51(6):620-625.

基金

西部交通建设科技基金资助项目(20113186701290)

分类号

X820.6

DOI

10.16360/j.cnki.jbnuns.2015.06.015

Title

Effect of Highway Construction on Hydrologic Connectivity and Some Protective Measures

Author

LI Xiaoke, WANG Hongqi, LI Changjiang

Affiliations

College of Water Science, Beijing Normal University; Jilin Provincial High Class Highway Construction Bureau

Abstract

The concept of hydrologic connectivity in wetland is proposed based on wetland hydrologic cycles. Five sections of 2 highways in Yanbian were selected for this study. The influence of different factors including road buildings, road-bed embankment material on both structural connectivity and functional connectivity were analyzed. Some protective techniques of hydrologic connectivity in wetland were proposed. Culvert operation was found to have marked effect on water flow, material migration and vegetation on both sides of the road. Of road-bed embankment material, weathered soft rock plus waterproof laminated film were found to have the largest impact on connectedness; this was followed in descending order by geogrid section and sand pile plus waterproof laminated film, the latter had rather minimal effect.

Key words

highway construction; hydrologic connectivity; protection technology

cite

LI Xiaoke, WANG Hongqi, LI Changjiang. Effect of Highway Construction on Hydrologic Connectivity and Some Protective Measures[J]. Journal of Beijing Normal University(Natural Science)),2015,51(6):620-625.

DOI

10.16360/j.cnki.jbnuns.2015.06.015

Copyright © 2014 Journal of Beijing Normal University (Natural Science)
Designed by Mr. Sun Chumin. Email: cmsun@mail.bnu.edu.cn