Research Article
Identification of Mine Water Inrush Source Based on PCA-FDA: Xiandewang Coal Mine Case
| Sample number | Indicators of water chemical composition | Actual result | Hardness | PH | Na++K+ | Ca2+ | Mg2+ | Cl- | SO42- | HCO3- |
| 1 | 0.1514 | 0.1917 | 0.0000 | 0.1626 | 0.1236 | 0.0480 | 0.0939 | 0.0000 | I | 2 | 0.1377 | 0.4167 | 0.0148 | 0.1365 | 0.1418 | 0.0000 | 0.0204 | 0.2393 | I | 3 | 0.1710 | 0.2625 | 0.0125 | 0.1675 | 0.1812 | 0.0336 | 0.0068 | 0.3962 | I | 4 | 0.1879 | 0.3875 | 0.0078 | 0.1854 | 0.1952 | 0.1058 | 0.0320 | 0.3534 | III | 5 | 0.2130 | 0.2875 | 0.1161 | 0.1789 | 0.3019 | 0.0913 | 0.0678 | 0.5800 | III | 6 | 0.1926 | 0.3250 | 0.0429 | 0.1680 | 0.2570 | 0.0144 | 0.0455 | 0.4485 | III | 7 | 0.8337 | 0.0000 | 0.2399 | 0.7983 | 0.0939 | 0.1394 | 0.8434 | 0.6878 | III | 8 | 1.0000 | 0.1667 | 0.1628 | 1.0000 | 1.0000 | 0.1586 | 1.0000 | 0.6656 | III | 9 | 0.0000 | 0.2917 | 0.4525 | 0.0604 | 0.1489 | 0.8317 | 0.0000 | 0.7401 | II | 10 | 0.0039 | 0.2917 | 0.2298 | 0.1659 | 0.1279 | 0.3124 | 0.0168 | 0.6688 | II | 11 | 0.0040 | 0.7792 | 0.9727 | 0.0011 | 0.0126 | 1.0000 | 0.1175 | 0.8732 | II | 12 | 0.3236 | 0.2500 | 0.4393 | 0.2213 | 0.0000 | 0.3509 | 0.2425 | 1.0000 | IV | 13 | 0.0032 | 1.0000 | 1.0000 | 0.0000 | 0.0000 | 0.7596 | 0.0304 | 0.8621 | IV | 14 | 0.0032 | 1.0000 | 1.0000 | 0.0000 | 0.0000 | 0.7596 | 0.0304 | 0.8621 | IV |
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