245 – Short-term forecasting of drought by conjunction of artificial neural network and Wavelet transform models(A case study of Qazvin province, Iran) A. H. Hossein Mahdikhani , N. Heydari, A. Y. Gomrokchi   Irrigation and Drainage Department, Iranian Agr. Eng. Res. Ins. (AERI), P.O.Box 31585-845, Karaj, Iran     Abstract: Drought is a disaster and different […]