[1]熊波,陈学华,蒋锦刚,等.云南省土壤侵蚀强度空间结构特征分析[J].水土保持研究,2009,16(03):6-10.
　XIONG Bo,CHEN Xue-hua,JIANG Jin-gang,et al.The Spatial Structure Analysis of Soil Erosion Intensity in Yunnan Province[J].Research of Soil and Water Conservation,2009,16(03):6-10.
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云南省土壤侵蚀强度空间结构特征分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年03期 页码: 6-10 栏目: 出版日期: 2009-06-20
Title:
The Spatial Structure Analysis of Soil Erosion Intensity in Yunnan Province
作者:
熊波1,2,4, 陈学华1, 蒋锦刚1,3, 刘艳锋1,2
1. 中国科学院 成都山地灾害与环境研究所, 成都 610041;
2. 中国科学院 研究生院, 北京 100041;
3. 成都信息工程学院, 成都 610225;
4. 成都地图出版社, 成都 610100
Author(s):
XIONG Bo1,2,4, CHEN Xue-hua1, JIANG Jin-gang1,3, LIU Yan-feng1,2
1. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China;
2. Graduated University of Chinese Academy of Sciences, Beijing 100041, China;
3. Chengdu University Information Technology, Chengdu 610225, China;
4. Chengdu Cartographic Publishing House (CCPH) Chengdu 610100, China
关键词:
地理信息系统(GIS); 分形分维; 土壤侵蚀强度; 稳定性指数; 形状指数
Keywords:
Geographic Information System(GIS); fractal dimension; soil erosion intensity; stability index; shape index
分类号:
S157.1
摘要:
基于分形理论，借助地理信息系统（GIS）技术对云南省土壤侵蚀强度空间结构分形进行定量研究，结果表明：云南省土壤侵蚀强度空间结构特征客观存在，微度、轻度、中度、强度、极强度、剧烈6个侵蚀强度等级的周长-面积关系客观存在；云南省土壤侵蚀强度中，极强度水力侵蚀分维最大，为1.605；剧烈水力侵蚀分维最小，为1.540；极强度水力侵蚀斑块镶嵌结构最复杂，剧烈水力侵蚀斑块镶嵌结构最简单；以极强度水力侵蚀斑块镶嵌结构的稳定性最高，为0.105，中度水力侵蚀斑块镶嵌结构的稳定性其次，为0.095，而以剧烈水力侵蚀斑块镶嵌结构的稳定性最低，为0.040；剧烈水力侵蚀的平均形状指数最大，为0.156，微度冻融侵蚀的的平均形状指数最小，为0.067；剧烈水力侵蚀的平均紧凑度最大，为0.554，微度冻融侵蚀的的平均紧凑度最小，为0.237。
Abstract:
The fractal of spatial structure of erosion intensity in Yunnan Province is discussed in this paper based on GIS.Some significant conclusions are drawn: (1) A certain relationship between perimeter and area of soil erosion intensity patches objectively exists for soil erosion intensity in Yunnan Province. (2) Fractal dimensions of soil erosion intensity of Yunnan Province are calculated. It is the biggest with the very strength water erosion being 1.605, and the smallest with the fierce water erosion being 1.504.(3) The stability of spatial structure is the highest with the very strength water erosion being 0.105,second with the moderate water erosion being 0.095, and the smallest with the fierce water erosion being 0.040.(4) The average Shape Index is the highest with the fierce water erosion being 0.156,and the smallest with the micro-degree freeze-thaw erosion being 0.067.(5) The average compactness is the highest with the fierce water erosion being 0.554, and the smallest with the micro-degree freeze-thaw erosion being 0.237.

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备注/Memo

收稿日期:2008-8-26。
基金项目:国家重点基础研究发展规划（2003CB415201）；中国科学院“西部之光”项目（2005C20609090）
作者简介:熊波（1980- ），男，四川简阳人，硕士研究生，主要从事水土流失、遥感监测、地理信息系统的应用研究。E-mail：xb0832@163.com
通讯作者:陈学华（1966- ），男，湖南华容县人，研究员，博士生导师，主要研究方向：水土保持、遥感及地理信息系统的应用。E-mail：xhchen@imde.cn

更新日期/Last Update: 1900-01-01