Farmland Wind-sand Disaster and Its Spatio-temporal Variation in Ulan Buh Desert
乌兰布和沙漠农田沙害特征及其时空变化规律

Wind-sand disaster is severely threatening the normal function of oasis farmland in Ulan Buh Desert.Forms,characteristics,spatio-temporal variation of wind-sand disaster threatening oasis farmland were investigated with methods of field observation and laboratory experiment.The results show that shifting-sand intrusion and wind erosion are the main forms of sand disasters,and sand source mostly comes from eroded soil,sporadic shifting sand dune inside oasis,sand movement and sand flowing activity outside oa...