[1]王启名,杨昆,许泉立,等.滇池流域土地利用变化图谱的地形梯度效应[J].水土保持研究,2018,25(03):237-244.
　WANG Qiming,YANG Kun,XU Quanli,et al.Effect of Terrain Gradient on Geo-Spectrum of Land Use Change in Dianchi Basin[J].Research of Soil and Water Conservation,2018,25(03):237-244.
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滇池流域土地利用变化图谱的地形梯度效应

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年03期 页码: 237-244 栏目: 出版日期: 2018-04-10
Title:
Effect of Terrain Gradient on Geo-Spectrum of Land Use Change in Dianchi Basin
作者:
王启名1,2, 杨昆2,3, 许泉立1,2, 李鸣蝉1,2, 肖茜1,2
1. 云南师范大学 旅游与地理科学学院, 昆明 650500;
2. 西部资源环境地理信息技术教育部工程研究中心, 昆明 650500;
3. 云南师范大学 信息学院, 昆明 650500
Author(s):
WANG Qiming1,2, YANG Kun2,3, XU Quanli1,2, LI Mingchan1,2, XIAO Qian1,2
1. School of Tourism and Geography Science, Yunnan Normal University, Kunming 650500, China;
2. Western Resources Environment Geographic Information Technology Engineering Research Center, Ministry of Education, Kunming 650500, China;
3. School of Information, Yunnan Normal University, Kunming 650500, China
关键词:
地学信息图谱; 地形梯度; 分布指数; 滇池流域
Keywords:
geo-information spectrum; terrain gradient; distribution index; Dianchi Basin
分类号:
F301.2
摘要:
土地利用变化图谱的地形梯度效应是土地利用/覆被变化（LUCC）的重要研究内容之一。以滇池流域为研究地区，以2000年、2007年Landsat TM和2014年Landsat8 OLI为数据源，从土地利用结构和地学信息图谱两个角度运用土地利用变化图谱和分布指数等方法分析了研究区土地利用结构和图谱总趋势、土地利用图谱的地形梯度效应及成因。结果表明：（1） 土地利用类型以耕地、林地、草地和未利用地为主，主要土地利用类型由2000年的耕地、林地和草地为主转化为2014年的耕地、林地和建设用地为主。（2） 土地利用变化图谱主要以最大图谱"林地-林地-林地"的稳定型和"草地-林地-林地"的前期变化型为主，两者占总面积的62.59%，主要分布在滇池及滇池的东部和北部。（3） 土地利用变化图谱的地形梯度层次性明显，稳定型主要分布在低和高地形梯度，前期变化型的优势分布区为中高和高地形梯度，其他3类图谱主要分布在低和中低地形梯度并向中高地形梯度推进。（4） 土地利用变化图谱的地形梯度效应主要受基础的地形位、起推动作用的城镇化和人口密度、起调控作用的林业资源转型和水土保持政策共同影响。该研究为实现滇池流域土地资源的合理配置和可持续发展提供依据。
Abstract:
Terrain gradient effect on geo-spectrum of land use change is one of the important research topics of land use/cover change (LUCC). Based on the remote sensing data of TM images in 2000, 2007 and Landsat8 OLI image in 2014, we took the Dianchi Basin as study area and analyzed the general trend of land use structure and geo-information spectrum, the effect and cause of terrain gradient on geo-spectrum of land use change by using method of geo-spectrum of land use change and distribution index from the perspective of the structure and geo-spectrum. The results showed that:(1) the main land use types of the study region were cultivated land, woodland, grassland and construction land, and types were transferred from cultivated land, woodland and grassland in 2000 to cultivated land, woodland and construction land in 2014; (2) geo-spectrum of land use change gave priority to stable type of the largest geo-spectrum ‘woodland-woodland-woodland’ and prophase change type of the largest geo-spectrum of ‘grassland-woodland-woodland’, both accounting for 62.59% of the total area, mainly distributed in Dianchi Lake and the north and east of Dianchi Lake; (3) geo-spectrum of land use change was clear hierarchy at terrain gradient, stable type mainly distributed at low and high terrain gradients, prophase changes type was at mid-high and high terrain gradients, the other three types of geo-spectrum land use change mainly distributed at low and mid-low terrain gradients and moved forward to mid-high terrain gradients; (4) the terrain gradient effect of geo-spectrum of land use change was mainly affected by mutual effect of basic the terrain niche, urbanization and population density, regulatory forestry resources transformation and soil and water conservation policy. This study can provided the basis for realization of reasonable allocation and sustainable development of land resources in Dianchi Basin.

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备注/Memo

收稿日期:2017-08-15;改回日期:2017-09-10。
基金项目:国家自然科学基金“城镇化进程中基于蚁群行为规则的滇池流域不透水表面扩张智能体建模与模拟”（41461038）；高等学校博士学科点专项联合基金“盘龙江子流域城市非点源污染的地理空间模拟模型研究”（20115303110002）；十二五国家水体污染控制与治理科技重大专项“数字化排水系统规划设计平台”（2012ZX07102001-002）
作者简介:王启名(1988-),男,陕西蒲城人,硕士研究生,研究方向为GIS与土地资源系统研究。E-mail:305848964@qq.com
通讯作者:许泉立(1975-),男,湖北武汉人,博士,副教授,研究方向为GIS开发、应用与建模。E-mail:go2happiness@163.com

更新日期/Last Update: 1900-01-01