soil runoff; soil erosion
Technical and environmental term referring to the washing away of topsoil by water or wind.
Soil runoff caused by heavy rain damaged the farmland.
Deforestation causes soil erosion.
土壌浸食 (soil erosion) emphasizes the gradual wearing away process, while 土壌流出 focuses on the actual washing away or runoff of soil.
Compound of 土壌 (soil) and 流出 (outflow, runoff).