Research Article
Scenario-Based Impact Assessment of Land Use/Cover and Climate Changes on Watershed Hydrology in Heihe River Basin of Northwest China
Table 2
Results of logistical regression for the six land use types with 13 driving factors.
| | Cultivated land | Forest land | Grassland | Water | Built-up area | Unused land |
| Slope | −0.000049 | 0.000121 | | | | 0.0000105 | | | | | | | Elevation | −0.000136 | −3.02E − 05 | 0.000116 | −0.0000149 | −5.9E − 06 | 0.0000711 | (−53.82)*** | (−11.13)*** | (−20.8)*** | (−9.76)*** | (−7.85)*** | |
| Rain | −0.000045 | 0.0000228 | 0.0000419 | 0.0000136 | 1.4E − 06 | −0.0000347 | | | | | −1.7 | | Radiation | −0.000407 | 0.000243 | −0.000923 | | | 0.00108 | | | | (−0.86) | | | >0°C accumulated temperature | −0.0000106 | 0.0000127 | 0.000026 | −3.88E − 06 | −7.2E − 07 | −0.0000234 | | | | | | |
| Soil organic matter | 0.0685 | 0.232 | −0.186 | 0.0152 | −0.00655 | −0.123 | | | | | | | pH value | 0.00769 | −0.0131 | −0.00541 | 0.00171 | 0.000719 | 0.00834 | | | | | | |
| Population density | 0.000247 | | | 0.0000206 | | −0.000154 | | | (−1.87) | | (−1.40) | | Per capita GDP | 0.000548 | | −0.000185 | −0.00002 | 0.000411 | −0.000723 | | | | | | |
| Distance to railway | 0.000193 | 0.000229 | 0.000979 | 0.00000653 | 1.72E − 05 | −0.00142 | | | | −0.76 | | | Distance to road | −0.000221 | −0.000335 | 0.00111 | −0.000066 | | −0.000477 | | | | | | | Distance to water source | −0.000338 | 0.0000239 | 0.000926 | −0.000346 | | −0.000261 | | −0.95 | | | (−0.75) | | Distance to city | −0.000125 | −0.000108 | −0.000567 | 0.0000996 | | 0.00072 | | | | | | |
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Note: statistics in parentheses; significant at 10%; significant at 5%; significant at 1%.
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