基于RS和GIS技术的人居环境自然适宜性评价——以四川省为例

Evaluation study on natural suitability of Human settlements based on RS and GIS——Take Sichuan for example

人居环境的自然适宜性和限制性是决定人口分布地理格局的重要因素;采用RS和GIS技术构建地理空间评估系统,从中观尺度和自然适宜性角度来研究四川省21个市州的人居环境的总体状况,并对其进行分区评价,从而揭示人居环境演化特征与结果。

Natural suitability and restriction of human settlements is the important factors to determine geography population distribution. According to most research efforts are laying emphasis on evaluation studies of urban human environment, and the deficiency pattern of qualitatively research method, this paper mainly constructs geography spatial evaluation system by RS and GIS. It researches the general status of 21 cities or states in Sichuan province from the view of middle scale and natural suitability, and makes analysis and evaluation on it, which reveal the evolution characteristics and results of human settlements..