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 landForest landGrasslandWaterBuilt-up areaUnused land

Slope−0.0000490.0001210.0000105
Elevation−0.000136−3.02E − 050.000116−0.0000149−5.9E − 060.0000711
(−53.82)***(−11.13)***(−20.8)***(−9.76)***(−7.85)***

Rain−0.0000450.00002280.00004190.00001361.4E − 06−0.0000347
−1.7
Radiation−0.0004070.000243−0.0009230.00108
(−0.86)
>0°C accumulated temperature−0.00001060.00001270.000026−3.88E − 06−7.2E − 07−0.0000234

Soil organic matter0.06850.232−0.1860.0152−0.00655−0.123
pH value0.00769−0.0131−0.005410.001710.0007190.00834

Population density0.0002470.0000206−0.000154
(−1.87)(−1.40)
Per capita GDP0.000548−0.000185−0.000020.000411−0.000723

Distance to railway0.0001930.0002290.0009790.000006531.72E − 05−0.00142
−0.76
Distance to road−0.000221−0.0003350.00111−0.000066−0.000477
Distance to water source−0.0003380.00002390.000926−0.000346−0.000261
−0.95(−0.75)
Distance to city−0.000125−0.000108−0.0005670.00009960.00072

Note: statistics in parentheses; significant at 10%; significant at 5%; significant at 1%.