Application of UAV in terrain surveying of hydrological station
Based on the application practice of DJI Elf 4Pro drone in terrain surveying of hydrological station,analy-sis was made on the surveying precision,the sources of error and the control measures.It is concluded that DJI Elf 4Pro drone is applicable for terrain surveying of hydrological station,permits more precise and reliable terrain map-ping,and is able to reduce field surveying workload compared with traditional surveying method.