摘要：Causes of dynamic development of a permanent gully dissected in sandy river valley side were presented in thispaper. Road and field pattern change conditioned the gully forming during one downpour.Anew pattern and crop structurecaused fast surface flow on the side. Flow concentration along the road and balks causes dissections of gully escarpments anddevelopment of the gully branches.
关键词：sandy gully development; field and road pattern; Bug River valley; E Poland
