[1]刘智勇,张鑫,李小冰. 秃尾河流域不同地形条件下土地利用动态变化[J].西北林学院学报,2012,27(03):167-173.
　LIU Zhi-yong,ZHANG Xin,LI Xiao-bing. Dynamic Changes of Land Use Types Based on Various Topographic Factors in Tuweihe Basin[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(03):167-173.
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 秃尾河流域不同地形条件下土地利用动态变化()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年03期
页码:
167-173
栏目:
出版日期:
2012-05-31

文章信息/Info

Title:
 Dynamic Changes of Land Use Types Based on Various Topographic Factors in Tuweihe Basin
文章编号:
1001-7461(2012)03-0167-07
作者:
 刘智勇;  张鑫;  李小冰
 (1.西北农林科技大学 水利与建筑工程学院, 陕西 杨陵 712100; 2.陕西省地下水管理监测局, 陕西 西安710003)
Author(s):
 LIU Zhi-yong;  ZHANG Xin;  LI Xiao-bing
 (1.College of Water Resources and Architectural Engineering, Northwest A&F University, Yangling, Shaanxi 712100,China; 2.Groundwater Management and Monitoring Bureau of Shaanxi Province, Xi’an, Shaanxi 710003 China)
关键词:
 ; 土地利用类型; 地形因子; GIS; 秃尾河流域
Keywords:
 ; land use type;  topographic factors;  GIS;  Tuweihe Basin
分类号:
F301.24
文献标志码:
A
摘要:
 采用GIS空间分析工具，从秃尾河流域DEM数据中提取出高程、坡度和坡向3种地形因子，并与该流域1985年和2000年的土地利用类型图进行空间叠加分析，得到不同地形因子条件下的土地利用类型的分布特征，进而探讨土地利用类型动态变化对地形因子的响应。结果表明：草地、耕地和林地是该流域主要土地利用类型，1985-2000年间大部分减少的林地和草地向耕地转化；地形因子对土地利用类型的分布有显著影响，草地和耕地主要分布在1 000~1 200 m高程级别、缓坡和阳坡区域内，且随着坡度和海拔的增加，两者分布呈减少态势；林地在不同的海拔、坡度和坡向级别皆有分布，但在1 000~1 200 m高程级别、斜坡和阴坡区域分布比例最大；水体、未利用地和居民点及建设用地主要集中在高程为1 000~1 200 m和缓坡区域，受坡向影响相对较小；16 a间（1985-2000年）秃尾河流域耕地和居民点及建设用地面积在不同高程、坡度和坡向级别内都有所增加，而林地和草地面积在大部分地形因子级别内则显著减少。

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