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当前位置: 首页 > 文章 > 安塞县纸坊沟小流域道路网系分布与土地利用的关系 水土保持通报 2010,30 (3) 201-205
Position: Home > Articles > Relationship Between Road Distribution and Landuse Type in Zhifanggou Watershed of Ansai County Bulletin of Soil and Water Conservation 2010,30 (3) 201-205

安塞县纸坊沟小流域道路网系分布与土地利用的关系

作  者：
梁婵芬;曹龙熹;张科利
单  位：
北京师范大学地理学与遥感科学学院地表过程与资源生态国家重点实验室
关键词：
小流域;道路侵蚀;土地利用;黄土高原
摘  要：
流域道路对侵蚀产流产沙有着重要的影响,研究小流域道路分布与土地利用的关系对于模拟小流域路网有重要意义。通过对陕西省安塞县纸坊沟小流域两时期遥感图像中道路的提取,结合对应时期小流域土地利用类型分布图,利用GIS空间分析方法,研究了不同等级道路分布位置和长度与土地利用类型的关系。研究结果表明,不同级别道路分布受土地利用类型的影响程度不同,3,4级路受土地利用类型的影响比2级路显著;4级路长度与各土地利用类型的面积及其对人类活动的吸引程度存在线性回归关系。
译  名：
Relationship Between Road Distribution and Landuse Type in Zhifanggou Watershed of Ansai County
作  者：
LIANG Chan-fen,CAO Long-xi,ZHANG Ke-li(State Key Laboratory of Earth Surface Processes and Resource Ecology,School ofGeography and Remote Sensing Science,Beijing Normal University,Beijing 100875,China)
关键词：
small watershed;road erosion;landuse;the Loess Plateau
摘  要：
Road networks may greatly influence hydrologic and geomorphic processes in a watershed.The relationship between road distribution pattern and landuse type is crucial for the quantization of road network characteristics in a small watershed.This study was conducted to explore the manner in which landuse type affects road network distribution pattern.Road networks in different periods(1982 and 2002) were extracted based on high resolution remote sensing images of Zhifanggou watershed in the central Loess Plateau.In turn,the road networks were overlaid with the landuse types in corresponding periods.GIS spatial analysis and statistic methods were used to study the correlation of road segment position and length with the changed landuse types.Results show that in a watershed,the changed landuse may influence road network significantly.Nevertheless,roads in different levels receive different effects from changed landuse type.Roads of the third and forth levels are influenced more greatly than the second level roads.Linear function may be used to describe the relationship between the forth level road length and the area of land blocks.An equation optimized by the landuse type affection degree to human activity is proposed to get road length based on land block areas.

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