2016•University of the Western Cape Electronic Theses and Dissertations Repository (University of the Western Cape)Requires access
Improving estimation of precipitation and prediction of river flows in the Jonkershoek mountain catchment
Siphumelelo Mbali
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Abstract
Rainfall is the main input into the land phase of the hydrological cycle which greatly determines
the available water resources. Accurate precipitation information is critical for mountain
catchments as they are the main suppliers of usable water to the human population. Rainfall
received in mountain catchments usually varies with altitude due to the orographic influence on
the formation of rainfall. The Langrivier mountain catchment, a sub-catchment of the
Jonkershoek research catchment, was found to have a network of rain gauges that does not
accurately represent the catchment rainfall. As a result, this study aimed to improve the
estimation of catchment precipitation and evaluate how improving estimation catchment
precipitation affects the prediction of streamflows.