Taking Liudaogou small watershed as an example, based on simulative experiment from laboratory and field observation, attempts to establish wind erosion loss prediction model which are furthur used to estimate the amount of wind erosion loss and wind erosion modulus. It is found through the model estimation that the wind erosion modulus in Liudaogou small watershed is 1 887.27 t/(km 2·a), corresponding to 1.25 mm/a, close to the severe erosion type. If the meam erosion modulus of this area is 25 ...