Abstract:Due to long time over-development,a falling funnel has been formed in the internal underground water in Dezhou city,which is called Dezhou funnel.On the basis of underground water source equilibrium,correlation analysis has been carried out and the correlation model has been established by 17 year s dynamic monitoring datas.Underground water levels under different developing conditions can be predicated, and the developing amount under a limited underground water level condition can be calculated.Besides,el...