BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   SELECTION AND APPLICATION OF ARMA/ARIMA CLASS MODELS FOR THE SIMULATION AND FORECAST OF DYNAMICS OF PHREATIC GROUNDWATERS Elena Tanase Hydrogeology and Environment Isotopes Laboratory National Institute of Hydrology and Water Management Bucharest, ROMANIA corbus@hidro.ro   The Paper presents the study of the behavior of the phreatic groundwater […]