Research on the Urban Sprawl Based on GIS and CA
The complex urban system cant be simulated directly by the traditional and static models.Cellular automata (CA) is a kind of dynamically modeling framework from bottom to top,which possesses the capability of modeling spatialtemporal evolvement process of a complicated geographical system.The peculiarities of CA are apt for simulating urban sprawl,urban expansion and land use evolution,which make the application of CA become very popular.The environment of CA simulation can be improved by using the CA model integrated with GIS to simulate the urban sprawl,and new parameters and transition rules can be found out by establishing classical urban CA.The paper summarizes the status and the application of urban CA in the world,develops a CA model named GIS-CA on the basis of the principle of CA,integrated with GIS and RS,adds urban plan as controlling factor into GIS-CA model,and uses GIS-CA model to simulate and forecast urban sprawl,and takes Luoyang City as the case study.The simulation and forecast results are acceptable for that the precision and Lee-Sallee shape index are rational.
GIS CA ArcObject urban sprawl Luoyang City
Fen Qin Lijie Yan
China-Australia Cooperative Research Center for Geographic Information Analysis and Applications,Hen China-Australia Cooperative Research Center for Geographic Information Analysis and Applications,Hen
国际会议
第16届国际地理信息科学与技术大会(16th International Conference on GeoInformatics and the Joint Conference)
广州
英文
2008-06-28（万方平台首次上网日期，不代表论文的发表时间）