Research Article
Environmental Evaluation of Coal Mines Based on Generalized Linear Model and Nonlinear Fuzzy Analytic Hierarchy
Table 13
The priorities of risk factors to the coal mine [
27].
| Factors | Local weight | Global weight | Ranking |
| Soil quality C1 | | 0.478 | I | Concentration of coal C1-1 | 0.5588 | 0.2671 | 1 | Concentration of lead C1-2 | 0.0967 | 0.0462 | 6 | Concentration of cadmium C1-3 | 0.2219 | 0.1061 | 3 | Concentration of zinc C1-4 | 0.0663 | 0.0317 | 9 | Concentration of arsenic C1-5 | 0.0563 | 0.0269 | 10 | Water environment quality C2 | | 0.363 | II | Concentration of Pb C2-1 | 0.6903 | 0.2506 | 2 | Concentration of Zn C2-2 | 0.1493 | 0.0542 | 5 | Concentration of COD C2-3 | 0.1118 | 0.0406 | 7 | Concentration of BOB C2-4 | 0.0485 | 0.0176 | 13 | Atmospheric environment C3 | | 0.0831 | III | Concentration of TSP C3-1 | 0.7449 | 0.0619 | 4 | Concentration of CO C3-2 | 0.2358 | 0.0196 | 12 | Concentration of SO2 C3-3 | 0.0168 | 0.0014 | 15 | Concentration of radon C3-4 | 0.0025 | 0.0002 | 16 | Ecological compensation indicators C6 | | 0.0759 | IV | Input intensity of pollution control C6-1 | 0.4598 | 0.0349 | 8 | Perfection of ecological early warning mechanism C6-2 | 0.3083 | 0.0234 | 11 | Proportion of environmental protection input to mine income C6-3 | 0.2319 | 0.0176 | 14 |
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