A data-informed analytical approach to human-scale greenway planning: integrating multi-sourced urban data with machine learning algorithms,Urban Forestry & Urban Greening

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A data-informed analytical approach to human-scale greenway planning: integrating multi-sourced urban data with machine learning algorithms
Urban Forestry & Urban Greening ( IF 6.0 ) Pub Date : 2020-12-01 , DOI: 10.1016/j.ufug.2020.126871
Ziyi Tang , Yu Ye , Zhidian Jiang , Chaowei Fu , Rong Huang , Dong Yao

Abstract Urban greenways have been recognized as an important strategy to improve human-scale quality in high-density built environments. Nevertheless, current greenway suitability analysis mainly focuses on geographical and natural issues, failing to account for human-scale urban design factors. Accordingly, this study proposes a data-informed approach to planning urban greenway networks using a combination of classical urban design theories, multi-sourced urban data, and machine learning algorithms. Maoming City in China was used as a case study. Per classical urban design theories, specifically, Cervero and Ewing’s 5D variables, density, diversity, design, dimensions of destination accessibility, and distance-to-transit, were selected as key factors. A series of new urban data, including points of interest (PoIs), location-based service (LBS) positioning data, and street view images, were applied in conjunction with machine learning algorithms and geographical information system (GIS) tools to measure these key factors at a human-scale resolution and generate an optimized greenway suitability analysis. This analytical approach is an attempt to take human-scale concerns into account on a city-wide scale regarding greenway network generation. It also pushes the methodological boundaries of greenway planning by combining classical urban design thinking with new urban data and new techniques.

更新日期：2020-12-01

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