Statistical methods of data analysis employed included exploratory, frequency and sensitivity analysis techniques. The research was guided by the hypothesis that there were no significant variations in the discharge on account of rainfall variability. The study was conducted on a temporal scale of 50 years from 1965 to 2014 based on observed discharges and rainfall at the Chavuma National Gauge Station in the Zambezi district of Zambia. Understanding variability is important for the effective management of ecosystems which sustain human livelihoods. In the context of global environmental change, hydro-climatic fluctuations are observed to be intensifying in magnitude and frequency with notable impacts on both human and natural systems.
This research assesses the impact of rainfall variability on the flooding regime of the Zambezi floodplain as part of the scientific endeavour to understand the dynamics of hydrologic variability in natural systems such as riverine and floodplain ecosystems.
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