基于最优供需分配的公共设施空间可达性分析

翟石艳, 何新新, 孔云峰, 罗静静, 宋根鑫

Measuring the spatial accessibility of public services by optimal supply-demand allocation

ZHAI Shiyan, HE Xinxin, KONG Yunfeng, LUO Jingjing, SONG Genxin

表2 基于2SFCA“15 min”步行搜索半径下医疗服务可达性统计(%)

Tab. 2 Statistics of healthcare service accessibility within a "15-minute" walking search radius by 2SFCA

可达性计算方法 差(≤ 0.4) 较差(0.4~0.8) 一般(0.8~1.2) 较好(1.2~1.4) 好(> 1.4) 简单2SFCA 42.82 4.12 22.16 7.94 22.95 高斯2SFCA 51.51 6.63 9.57 7.97 24.32 重力2SFCA(β=1) 43.43 17.26 10.75 6.95 21.62 重力2SFCA(β=1.2) 46.01 19.13 8.60 7.44 18.82 重力2SFCA(β=1.5) 52.93 15.63 9.06 7.34 15.03 重力2SFCA(β=1.8) 59.97 13.54 8.93 3.93 13.63 重力2SFCA(β=2) 63.60 14.09 6.56 3.10 12.65