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Simulating the co-emergence of urban spatial structure and commute patterns in an African metropolis: A geospatial agent-based model
Habitat International ( IF 5.205 ) Pub Date : 2021-03-13 , DOI: 10.1016/j.habitatint.2021.102343
Ransford A. Acheampong , Stephen Boahen Asabere

Urban spatial structure and mobility patterns co-evolve. A fundamental process that underpins the emergent structure of cities and commuting patterns is location choice with respect to housing and employment. Consequently, location choice models constitute important sub-components of land use-and-transport-interaction (LUTI) and urban growth models. This paper documents the development and application of the Metropolitan Location and Mobility Patterns Simulator (METLOMP-SIM). METLOMP-SIM is a geospatial agent-based model that simulates how urban structure and travel patterns co-emerge, as a function of the location decisions of heterogeneous households and individuals within a spatially-explicit urban context. After specifying a generic conceptual model that identifies the model's structure, entities and agents' decision-making framework, METLOMP-SIM is implemented using the Kumasi Metropolis in Ghana, Sub-Saharan Africa as case study. Overall, the implemented model demonstrates that the encoded micro-scale behaviour of households and individuals are able to mimic some macro-scale residential and job location patterns, and patterns of home-work trip flows that closely match patterns in the case study metropolis. The current model represents property and job market dynamics in both their ‘formal’ and ‘informal’ manifestations, making it potentially relevant to dynamic, agent-based LUTI model development and applications in Sub-Saharan African cities.



中文翻译:

模拟非洲大都市中城市空间结构和通勤模式的共同出现:一种基于地理空间代理的模型

城市空间结构和出行方式共同发展。支撑城市和通勤模式新兴结构的基本过程是在住房和就业方面的选址。因此,位置选择模型构成了土地利用与运输互动(LUTI)和城市增长模型的重要子组件。本文记录了都市区位和出行模式模拟器(METLOMP-SIM)的开发和应用。METLOMP-SIM是一个基于地理空间代理的模型,它根据空间明确的城市环境中异类家庭和个人的位置决定,模拟城市结构和出行方式如何共同出现。在指定了可识别模型的结构,实体和代理商的决策框架的通用概念模型后,METLOMP-SIM是使用撒哈拉以南非洲加纳的库马西大都会作为案例研究来实现的。总体而言,已实施的模型表明,编码的家庭和个人的微观行为能够模仿一些宏观的居住和工作位置模式,以及与案例研究大都市的模式紧密匹配的家庭工作旅行流模式。当前模型以“正式”和“非正式”形式表示房地产和就业市场的动态,使其潜在地与撒哈拉以南非洲城市基于代理的动态LUTI模型开发和应用相关。所实施的模型表明,编码的家庭和个人的微观行为能够模仿一些宏观的居住和工作位置模式,以及与案例研究大都市的模式紧密匹配的家庭工作旅行模式。当前模型以“正式”和“非正式”形式表示房地产和就业市场的动态,使其潜在地与撒哈拉以南非洲城市基于代理的动态LUTI模型开发和应用相关。所实施的模型表明,编码的家庭和个人的微观行为能够模仿一些宏观的居住和工作位置模式,以及与案例研究大都市的模式紧密匹配的家庭工作旅行模式。当前模型以“正式”和“非正式”形式表示房地产和就业市场的动态,使其潜在地与撒哈拉以南非洲城市基于代理的动态LUTI模型开发和应用相关。

更新日期:2021-03-15
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