Table 3 Standardized data of each indicator
From: Evaluation and future framework of green mine construction in China based on the DPSIR model
Influencing factor | Indicator | 2012 | 2013 | 2014 | 2015 | |
|---|---|---|---|---|---|---|
Economic growth | D1 | Output per man-shift (t yr− 1 person− 1) | − 0.091 | 0.531 | 0.665 | 0.947 |
D2 | Per capita income development of staff | −0.105 | 1.245 | 1.294 | 1.963 | |
Pollutant emission | P1 | Emission load of smoke | 0.113 | −0.107 | − 0.776 | − 0.987 |
P2 | Emission load of SO2 | 0.612 | 0.077 | −0.812 | −1.431 | |
Resource consumption | P3 | Energy consumption of unit mine production | 0.698 | −0.066 | −0.923 | − 0.994 |
P4 | Water consumption of unit mine production | 1.278 | −0.362 | − 0.868 | − 0.883 | |
Ecological environment | S1 | Use ratio of coal gangue | −0.160 | − 0.158 | 0.913 | 0.913 |
S2 | Reuse ratio of coal-washing wastewater | −0.191 | 0.285 | 0.774 | 0.770 | |
S3 | Use ratio of mine water | −0.727 | − 0.343 | 0.302 | 1.606 | |
S4 | Comprehensive use ratio of solid wastes | 0.090 | 0.553 | 0.556 | 0.551 | |
Production technology | S5 | Recovery ratio of mining | 0.172 | −0.351 | 0.937 | 0.782 |
S6 | Ore dressing recovery percentage | 0.055 | 0.254 | 0.384 | 0.986 | |
Social impact | I1 | Public satisfaction | −0.457 | − 0.303 | 0.655 | 1.335 |
I2 | Staff morbidity | 1.258 | 0.009 | −1.271 | − 1.723 | |
Enterprise investment | R1 | Proportion of scientific and technological innovation fund in mine production value | 1.130 | −0.582 | 0.235 | 1.608 |
R2 | Proportion of environmental protection input in mine production value | −0.836 | 0.392 | 0.041 | 0.937 | |
Environmental governance | R3 | Green coverage ratio in mining area | −0.726 | 0.009 | 0.839 | 1.514 |
R4 | Land rehabilitation ratio in mining area | −0.735 | −0.295 | 0.757 | 1.311 | |
R5 | Restoration and control ratio of mine environment | −0.425 | 0.084 | 0.684 | 1.513 | |
Standardized management | R6 | Implementation of laws and regulations | −0.443 | − 0.448 | 1.045 | 1.042 |