A Diagnostic Application of HEC– HMS Model to Evaluate the Potential for Water Management in the Ratnapura Watershed of Kalu Ganga Sri Lanka

Director of Irrigation (Colombo Region) C.Eng., MIE(SL), B.Sc. Eng. (Hons) (Moratuwa), M.Eng. (Moratuwa) Senior Professor, Department of Civil Engineering C.Eng., MIECE (UK), FIE(SL), B.Sc. Eng.Hons (Peradeniya), PG Dip(Moratuwa), M.Eng. (Tokyo), Ph.D(Tokyo