Factors Affecting Runoff | Hydrology

Factors affecting runoff may be divided into those associated with the precipitation, and the watershed characteristics. Factor # 1. Precipitation: Since by far the largest portion of precipitation occurs as rain, and the rainfall directly affects soil erosion, the characteristics of rainstorm and intensity, dura­tion and frequency of rainfall are of interest in describing the runoff. (a) Characteristics of Rainstorm: [...]