Influence Of Hydrologic & Sediment Parameters In Modeling Stream Flow Of Osun River, Osun State Nigeria

CHAPTER ONE         INTRODUCTION 1.1     Background to the study The water is the most important natural resource especially in the arid or semi-arid zones that face high population growth, scarcity of freshwater, irregularity of rain- fall, excessive land use change and increasing vulnerability to risks such of drought, desertification and pollution. Thus, the availability and the sustainable use of this resource become the core of the local and national strategies and politics in these regions. Hydrology is the main governing backbone of all kinds of water movement and hence of water-rela…