River-flow predictions for the South African mid-summer using a coupled general circulation model

Abstract

There are limited sources of streamflow data available in South Africa. These include simulated streamflow for catchments across South Africa and measured river-flow at specific rivers around the country. Given that a number of studies has been done on the prediction of simulated streamflow, and only one recent study on a limited number of measured river-flow stations, there is a need for a measured national river-flow dataset that previous results of streamflow prediction can be compared against. This study demonstrates the seasonal-to-interannual predictability of river-flow over the summer rainfall areas of South Africa by using various fields from a coupled general circulation model as predictors in statistical post-processing system.