Research Article
Dynamic Impacts of Climate and Land-Use Changes on Surface Runoff in the Mountainous Region of the Haihe River Basin, China
Table 1
Environmental factors used to analyze the decrease in runoff.
| Category | Factor | Description and unit of measure |
| Meteorology | Precipitation | Annual precipitation, mm | Air temperature | Annual air temperature, °C |
| Land-use
| Proportion of forest | Forest area/total area | Proportion of grassland | Grassland area/total area | Proportion of farmland | Farmland area/total area | Leaf area index (LAI) | Calculated by the temporal spatial filter method [50] |
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