[1]刘文,陈世发.基于GIS的土地利用变化的地形梯度分析——以韶关市大塘镇为例[J].水土保持研究,2015,22(03):79-82.
　LIU Wen,CHEN Shifa.Analysis on Characteristics of Land Use Changes Along the Terrain Gradient Based on GIS—A Case Study of Datang Town of Shaoguan City[J].Research of Soil and Water Conservation,2015,22(03):79-82.
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基于GIS的土地利用变化的地形梯度分析——以韶关市大塘镇为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年03期 页码: 79-82 栏目: 出版日期: 2015-06-28
Title:
Analysis on Characteristics of Land Use Changes Along the Terrain Gradient Based on GIS—A Case Study of Datang Town of Shaoguan City
作者:
刘文1, 陈世发2
1. 韶关市国土资源技术中心, 广东 韶关 512026;
2. 韶关学院 旅游与地理学院, 广东 韶关 512005
Author(s):
LIU Wen1, CHEN Shifa2
1. Shaoguan City Land Resources Technology Center, Shaoguan, Guangdong 512025, China;
2. College of Tourism and Geography, Shaoguan University, Shaoguan, Guangdong 512005, China
关键词:
土地利用; 分级指数; 地形位指数; 地形分级; GIS
Keywords:
land use; granding index; terrain niche index; terrain gradient; GIS
分类号:
F301.24
摘要:
地形是影响土地利用格局动态分布的因素之一。以韶关市大塘镇为研究区，基于DEM生成坡度图和高度图，利用遥感影像提取2009—2013年土地利用类型，计算研究区高度梯度和坡度梯度的分级指数及地形位指数。结果表明：（1）耕地、水域和园地分级指数和地形位指数逐渐下降，林地逐渐上升，草地、城镇村与工矿用地、交通用地和未利用地的坡度分级指数先上升后下降，高度分级指数多呈先下降后上升，地形位分级指数先下降后上升；（2）城镇村与工矿用地的分级指数和地形位指数数值上升，其余土地利用类型数值均下降，但下降数值较小；（3）除林地外，其他土地利用类型的分级指数和地形位指数均集中于低地形位区间。高度、坡度和地形位对土地利用类型分布格局演变有重要影响，同时城镇化的发展对土地利用类型分布格局演变也有较大影响，但一定程度上遵循分级指数和地形位指数。
Abstract:
Terrain is one of factors affecting the dynamic distribution of land use pattern. Datang Town of Shaoguan City was taken as the study area. The height map and the gradient map were generated based on DEM, and land use pattern was extracted based on remote sensing images from 2009 to 2013, which were used to calculate the slope gradient, altitude gradient granding index and topographic index. Results showed that: (1) granding indexes of cultivated land, water areas gradually declined, granding index of woodland gradually rose, the slope classification indexes of the grassland, urban village and industrial and mining land, traffic land and unused land rose first ant decline later, height granding indexes of these lands declined first and rose later, terrain grading indexes of these lands declined first and rose later; (2) the terrain and granding indexes of the town village and industrial and mining land rose, the indexes of the other land declined, but the declined degree was small; (3) granding and the terrain indexes of the other land use types except in addition to the woodland concentrated to be in the low terrain range. Height, slope and terrain had important influences on the evolution of land use type granding pattern, and at the same time, the development of the urbanization had great influence on evolution of the land use type distribution pattern, but to some extent, followed the granding index and the topographic index.

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备注/Memo

收稿日期:2014-07-15;改回日期:2014-08-11。
基金项目:国土资源部《全国第二次土地调查以及历年土地变更调查》；韶关学院大学生创新项目（2014-177）
作者简介:刘文(1983-),女,湖北襄樊人,硕士,工程师,主要从事土地信息管理研究。E-mail:154453845@qq.com
通讯作者:陈世发(1984-),男,湖南平江人,博士生,讲师,主要从事土壤侵蚀研究。E-mail:csf1241999@163.com

更新日期/Last Update: 1900-01-01