Integrating SSPs and multi-model ensembles in exploring parameter relationships for vertical urban development using a 3D-UGM: A case study of Wuhan, China
Sustainable Cities and Society(2024)
摘要
As global urbanization accelerates, it exacerbates sustainability challenges across environmental, economic, and social realms, underscoring the need for sophisticated urban planning models. Here, we introduce a novel 3D Urban Growth Model (3D-UGM) that uniquely integrates vertical structural data, enabling enhanced analysis and prediction of urban development patterns. Our model employs an innovative blend of analytical techniques and scenario-based forecasting, setting a new standard in the field. We report that our horizontal urban growth simulations yield a cell-level mean Kappa value of 0.607 and a pattern-level agreement of 88%. Additionally, our vertical growth predictions, informed by random forest algorithms, achieve a testing R2 of 0.909 and a mean Mean Squared Error (MSE) of 0.239. Projecting future urban growth under various Shared Socioeconomic Pathways (SSPs), our model forecasts a potential increase of up to 20% in vertical development under SSP3 compared to SSP1. These projections offer a detailed glimpse into the diverse potential urban landscapes under differing environmental and economic scenarios. Our research makes a critical contribution to urban planning literature, providing a robust, data-driven foundation that informs sustainable development strategies, crucial for managing the complexities of vertical growth in rapidly urbanizing areas worldwide.
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关键词
urban vertical growth,urban three-dimensional simulation,random forest,shared socioeconomic pathways
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