NIU Zhijun,Zhao Jianli,WANG Xiaoqing,et al.Analysis of Land Use Patterns and Temporal Changes in Hilly Region of Northwest Hebei Based on Terrain Gradient —A Case Study of Huailai County in Hebei Province[J].Research of Soil and Water Conservation,2017,24(04):95-102.
基于地形梯度的冀西北山地丘陵区土地利用格局变化分析——以河北省怀来县为例
- Title:
- Analysis of Land Use Patterns and Temporal Changes in Hilly Region of Northwest Hebei Based on Terrain Gradient —A Case Study of Huailai County in Hebei Province
- Keywords:
- land use; hilly regions; terrain; distribution index
- 分类号:
- P963;P208
- 摘要:
- 为研究山地丘陵地区土地利用格局在地形差异上的演变规律，明确自然和人文因素在土地利用变化中的作用，基于RS和ArcGIS空间分析技术，利用地形位指数和分布指数，研究了河北省怀来县1993—2013年土地利用变化在地形差异上的时空分异特征。结果表明：六种土地利用类型空间分布及其变化均受到地形因子的影响和制约。水域的优势位主要分布在高程为300～500 m、坡度0°～6°以及地形位级别为二级的区域；建设用地和耕地多分布于高程为500～700 m、坡度0°～6°以及地形位级别为一级的区域；园地的地形适应性强于耕地，其分布的区域相对于耕地更加广泛，林地和未利用地则主要分布于高程900 m以上、坡度6°以上的区域，林地在地形位较高的级别更有优势。该文为今后怀来县土地资源的合理利用和科学规划提供依据与指导。
- Abstract:
- In order to explore the evolution law of land use pattern in different terrains of hilly regions, and to clarify the function of natural and human factors to land use change, we took Huailai County as an example to examine the spatial and temporal variation characteristics of land use change in different terrains during the period from 1993 to 2013 by using the topographic index and distribution index based on the spatial analysis technology of RS and ArcGIS. The results show that the spatial distribution and the change situation of the six land use types were all influenced by the topographic factor. Dominant position in water area mainly distributed in the regions with elevation of 300～500 m, the slope was 0°～6° and the terrain level was second level; the construction land and cultivated land distributed in the regions with elevation of 500～700 m, the slope was 0°～6° and the terrain level was first level; the terrain adaptability of garden plot was better than cultivated land, whose distribution regions were wider than cultivated land; forest and unused land mainly distributed in the regions with the elevation above 900 m and slope above 6°, and forest had advantage in a higher level of terrain. These results can provide basis and guidance for the reasonable use and scientific planning of the land resources in Huailai County, which means a lot for the sustainable development.
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备注/Memo
收稿日期:2016-09-26;改回日期:2016-10-13。
基金项目:国土资源部公益性行业科研专项经费项目（201311060）；河北省科技支撑计划项目（132276329）
通讯作者:王树涛(1978-),男,河北威县人,副教授,博士,研究方向为土地资源持续利用。E-mail:wangst@hebau.edu.cn