1. Introduction -- 2. Materials and methods -- 3. Streamflow variability and water allocation planning -- 4. Streamflow trends and climate linkages -- 5. Regionalization of a conceptual rainfall-runoff model based on similarity of the flow duration curve -- 6. Impact of areal precipitation input on streamflow simulations -- 7. Quantifying scale-dependent impacts of upgrading rain-fed agriculture -- 8. Synthesis, conclusions and recommendations.