(1)土壤沖蝕力學：
a.雨點與逕流的沖蝕能力(Erosivity)
b.土壤顆粒之分離(Detachment)，搬運(Transportation)及沈積(Deposition)
c.坡長及坡度對沖蝕的影響
d.坡面之處理（包括Cover, Management and Supporting Practice）對沖蝕的影響
(2)土壤沖蝕預測：
a.通用土壤流失方程式(The Universal Soil Loss Equation)及其他公式的演進
b.降雨逕流因子(The Rainfall and Runoff Factor)
c.土壤可蝕性因子(The Soil Erodibity Factor)
d.坡長因子(The Slope Length Factor)
e.坡度因子(The Slope Steepness Factor)
f.覆蓋及處理因子(The Cover and Management Factor)
g.水土保持措施因子(The Supporting Practice Factor)
h.實例(Example)
(3)土壤沖蝕之實地測定：(Field Erosion Measurement)
a.人工降雨機(Rainfall Simulator)
b.試驗場地之預備及降雨機之操作
c.室內試驗室之試驗及數據分析