Conference Proceedings

Monthly and seasonal streamflow forecasts using rainfall-runoff modeling and POAMA predictions

E Wang, H Zheng, F Chiew, Q Shao, J Luo, QJ Wang, F Chan (ed.), D Marinova (ed.), RS Anderssen (ed.)

19TH INTERNATIONAL CONGRESS ON MODELLING AND SIMULATION (MODSIM2011) | MODELLING & SIMULATION SOC AUSTRALIA & NEW ZEALAND INC | Published : 2011

Abstract

Improved streamflow forecasts a month or season ahead are essential for water resource management and planning. This paper explored the skills of forecasts for monthly and three-monthly total streamflows with a dynamic approach using a conceptual rainfall-runoff model SIMHYD for 31 catchments located in east Australia. For all the catchments, the SIMHYD was calibrated in a moving mode, i.e. using all the data prior to the forecast year. Retrospective forecasts of streamflow totals were generated from 1981 onwards using the calibrated SIMHYD model together with three types of forcings: • The observed daily rainfall - this option uses observed (real) rainfall data, the prediction skill of the ..

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