Decision-Making on Reuse Modes of Abandoned Coal Mine Industrial Sites in Beijing Based on Environment-Economy-Society Matter-Element Models

Table 6

Correlation degree and weight of reusing Da’anshan ACMIS as a residential area.

Index	Correlation degree K (x)				Assessment result
	I	II	III	IV	Level	Weight
Site slope	−0.34	0.45	−0.30	−0.58	II	0.15
Geological hazard risk	0.5	−0.5	−0.67	−0.97	I	0.23
Heavy metal pollution	−0.22	0.4	−0.11	−0.65	II	0.09
Ecological sensitivity	−0.66	−0.58	−0.15	0.15	IV	0.03
Polluted wind	0	0	−0.5	−0.67	I	0.04
Water cleanliness	−0.5	−0.25	0.5	−0.25	III	0.09
Noise level	−0.25	0.5	−0.25	−0.5	II	0.02
Public transportation coverage	0.1	−0.90	−0.95	−0.96	I	0.02
Municipal facilities coverage	0.5	−0.5	−0.75	−0.83	I	0.03
Distance from district center	−0.44	−0.37	−0.29	0.29	IV	0.01
Proportion of tertiary industry	0.23	−0.23	−0.49	−0.62	I	0.01
Real estate development investment	0.21	−0.21	−0.60	−0.74	I	0.06
Public service accessibility	−0.88	−0.76	−0.51	0.49	IV	0.02
Population distribution	−0.43	0.23	−0.18	−0.45	II	0.07
Commercial concentration	−0.41	−0.33	−0.16	0.16	II	0.03
Construction adaptability potential	−0.25	0.5	−0.25	−0.5	II	0.01
Construction engineering stability	−0.25	0.5	−0.25	−0.5	II	0.02
Government or corporate preferences	−0.83	−0.75	−0.5	0.5	IV	0.08