Urban land-population dynamic coupling simulation method and system based on geographic element process

Through the simulation method based on geographical metaprocesses, the shortcomings of population-land interaction simulation in the existing technology are solved, and high-accurate land and population simulation is achieved, and scientific urban planning and sustainable development are supported.

CN120031249APending Publication Date: 2025-05-23WUHAN UNIV
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Patent Information

Application Number
CN202510147842.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-05-23

AI Technical Summary

Technical Problem

Existing urban human-land coupling simulation methods are difficult to accurately reflect the complex interaction between population and land, especially inadequate performance when describing heterogeneous spatial distribution and dynamic interactions, and difficult to capture the diversity of residence and transportation patterns when dealing with vast urban spaces.

Method used

The dynamic coupled simulation method of urban land-population based on geographical meta-process is adopted. By acquiring and preprocessing the basic data of land and population, a CA model and GMP model are constructed, the spatial gradient changes of land and population are analyzed, the punishment mechanism for land simulation is established, and population behavior is simulated under the framework of the ABM model, and the differential evolution algorithm is used for iterative prediction.

Benefits of technology

It improves the spatial accuracy of land simulation and the behavioral accuracy of population simulation, enhances the convergence efficiency and prediction accuracy of the model, supports the formulation of scientific and forward-looking urban planning strategies, optimizes urban resource allocation and promotes sustainable development.

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Abstract

The invention discloses an urban land-population dynamic coupling simulation method and system based on a geographic element process, and the method comprises the steps: building a CA model based on a circle layer structure marking a city center; macroscopic process modeling is completed through a GMP model, and the expected value of growth of each circle layer of the microscopic layer is calculated; determining the demand of each circle layer based on the expected growth value of each circle layer and the actual growth value of each iteration, integrating a nonlinear function with a CA model, and establishing a land simulation penalty mechanism; under the framework of the ABM model, simulating behaviors of selecting a working place, a commuting mode and a residence place by a person; performing urban form control influenced by the social network and urban form control based on bearing capacity; and adjusting parameters of the GMP model by adopting a differential evolution algorithm, and carrying out iterative prediction on the influence of land use change on population distribution under various expansion scenes. According to the invention, high-accuracy land simulation, population simulation and multi-scene prediction can be realized.
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