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.

CategoryFactorDescription and unit of measure

MeteorologyPrecipitationAnnual precipitation, mm
Air temperatureAnnual air temperature, °C

Land-use
Proportion of forestForest area/total area
Proportion of grasslandGrassland area/total area
Proportion of farmlandFarmland area/total area
Leaf area index (LAI)Calculated by the temporal spatial filter method [50]