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Hydrological Modelling in Arid and Semi-Arid Areas
The Chapter discusses the modelling of rainfall-flow (rainfall-runoff) and flow routing processes in river systems within the context of real-time flood forecasting. It is argued that deterministic, reductionist (or 'bottom-up') models are inappropriate for real-time forecasting because of the inherent uncertainty that characterizes river catchment dynamics and the problems of model over-parametrization. The advantages of alternative, efficiently parameterized Data-Based Mechanistic (DBM)doi:10.1017/cbo9780511535734.010 fatcat:f4ih2sycsvcfvkukzcehkgprpa