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Spatial supply-demand balance of green space in the context of urban waterlogging hazards and population agglomeration
Resources, Conservation and Recycling ( IF 13.2 ) Pub Date : 2022-09-15 , DOI: 10.1016/j.resconrec.2022.106662
Junwen Yang, Cuncun Duan, Hao Wang, Bin Chen

Urban green space (UGS) contributes significantly to urban settlements with respect to frequent rainstorm events and population agglomeration issues, but there is limited understanding of the spatial match between green space supply and social demand. This study established an integrated evaluation framework relating to the supply–demand balance of UGS. In a case study of Beijing, the urban waterlogging risk was simulated with an ICM model, and specific demand criteria of waterlogging hazards and population needs were considered. The street-scale supply–demand balance of demands for existing and future UGS was then quantified with the two-step floating catchment area method. Comparison of the street-level balance in large rainstorms and populated areas identified the key locations where the green space supply should be strengthened in Beijing. This study may provide an integrated evaluation of green space accessibility and a solid foundation for refined urban land-use planning strategies.

更新日期:2022-09-15
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