基于GIS的怒江峡谷人居环境容量评价——以泸水县为例  

Residential Environmental Assessment Based on GIS in Nujiang Valley:A Case Study in Lushui County

作　　者：李益敏[1,2] 刘素红[2] 李小文[2] 

机构地区：[1]云南大学资源环境与地球科学学院地理所,昆明650091 [2]北京师范大学地理学与遥感科学学院,北京100875

出　　处：《地理科学进展》2010年第5期572-578,共7页Progress in Geography

基　　金：国家科技支撑计划项目(2006BAJ09B0301);国家自然科学基金项目(40761019);云南省自然科学基金项目(2007D157M)

摘　　要：本文选取坡度、坡向、海拔、土地利用、交通、水资源、土壤质量等作为评价指标,利用GIS的叠置分析、缓冲区分析等空间分析技术对怒江峡谷区的泸水县人居环境适宜性进行了定量综合评价分析。评价结果表明,泸水县人居环境适宜区主要以带状形式分布在河流周围,其他区域只有零星分布,与泸水县人口分布的空间格局相吻合。泸水县人居环境状况与经济发展水平呈现明显的正相关性,人居环境评价值与各乡镇农民人均纯收入相关系数达到0.89,与各行政村农民人均纯收入的相关系数达到0.956。此外,本文还分析了泸水县各个乡镇的人居环境容量,表明泸水县已难以承载现有的人口。The paper selects slope,aspect,altitude,land use,transportation,water resource and soil quality as evaluation indexes and assesses comprehensively suitability of residental environ-ment in Lushui County of Nujiang Valley by using spatial analysis technical of GIS such as spatial overlay analysis,buffer analysis.Evaluation results： regions suitable for human inhabitance are distributed mainly around rivers in the form of strips,while others are scattered.There is a clear positive correlation between situation of residental environment and economic development,that is,the correlation coefficient between evaluation value of residental environment and township farm-ers’ per capita net income reaches 0.89,and villages farmers＇ per capita net income reaches 0.965 in Lushui.The article also analyzes residental environment capacity of all townships in Lushui,result shows the environment is difficult to carry the existing population in Lushui.

关 键 词：地理信息系统 高山峡谷 泸水县 人居环境 

分 类 号：P208[天文地球—地图制图学与地理信息工程]