Spatial Pattern of Underground Space Development in Major Cities in China: Evaluation and Analysis

Table 2

Summary of measurement results of UUS development level.

	D	D1	D2	D3
Beijing	0.63103	0.4525	0.85364	0.69048
Shanghai	0.66136	0.59111	0.74375	0.75697
Guangzhou	0.65725	0.62183	0.7028	0.56872
Shenzhen	0.62155	0.45241	0.7427	0.73008
Chengdu	0.50886	0.43607	0.43974	0.58511
Xi'an	0.40182	0.19748	0.34907	0.56097
Wuhan	0.43865	0.36847	0.46542	0.43258
Nanjing	0.63474	0.75647	0.503	0.52357
Chongqing	0.29661	0.15285	0.28027	0.4904
Hangzhou	0.68897	0.83627	0.54571	0.61085
Changsha	0.44395	0.37548	0.37513	0.53255
Zhengzhou	0.41036	0.33867	0.39271	0.47256
Tianjin	0.47549	0.56889	0.34839	0.43857
Suzhou	0.54409	0.54431	0.494	0.53159
Dalian	0.29167	0.2969	0.22065	0.26324
Shenyang	0.31455	0.21731	0.25803	0.36588
Nanchang	0.26733	0.14448	0.20228	0.36742
Nanning	0.37518	0.18539	0.28978	0.49776
Hefei	0.42277	0.39819	0.33864	0.41257
Qingdao	0.35766	0.29766	0.35471	0.33448
Ningbo	0.49194	0.58199	0.35155	0.39477
Xiamen	0.48212	0.35245	0.45416	0.52579
Changchun	0.24641	0.28512	0.15903	0.16565
Kunming	0.40438	0.31411	0.32006	0.45475
Foshan	0.46103	0.38683	0.31904	0.57703
Wuxi	0.48672	0.53672	0.40963	0.38675
Fuzhou	0.37854	0.42044	0.31571	0.35329
Shijiazhuang	0.25176	0.19928	0.2339	0.27941
Jinan	0.32663	0.24047	0.32733	0.34443
Guiyang	0.37401	0.394	0.24138	0.45393
Harbin	0.32989	0.3784	0.34589	0.10158
Dongguan	0.48021	0.39589	0.35968	0.59385
Xuzhou	0.26595	0.25839	0.14612	0.31533
Lanzhou	0.36286	0.25227	0.27358	0.43259
Huhehaote	0.38499	0.38486	0.29974	0.31561
Changzhou	0.41430	0.46412	0.34372	0.29199
Luoyang	0.22920	0.26472	0.11211	0.21258
Taiyuan	0.38161	0.28277	0.27436	0.4355
Wulumuqi	0.35289	0.2429	0.36047	0.32129