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人口条件约束下的城市元胞自动机模型研究

DOI: 10.11834/jig.20070829

Keywords: 城市化,人口密度,就业结构,元胞自动机模型

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Abstract:

城市化过程中人口的流动和转移,改变了不同地域上的人口分布,同时对原有用地需求和用地格局产生影响,使得土地利用方式发生相应的变化,因此探讨人口变动是研究非城市用地向城市用地变迁的一个重要方面。近几十年来,人们尝试利用元胞自动机模型来模拟,预测城市用地的扩张,但是标准的元胞自动机仅通过初始状态和既定不变的演化规则很难模拟出日渐复杂的城市系统,本文尝试将人口分布和就业结构的变化作为一种限制因素来控制元胞自动机的演化,并以北京市城市建成区的扩展为例,通过为不同的区域赋予不同的限制值从而更加准确地模拟城市化过程中城市用地的扩张。

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