On-line version ISSN 1816-7950 Water SA (Online) vol.36 no.3
Pretoria Apr. 2010 David LoveI, II,*; Stefan UhlenbrookIII,IV;
Steve TwomlowII; Pieter van der ZaagIII,IV IWaterNet, PO Box
MP600, Mount Pleasant, Harare, Zimbabwe IIICRISAT Bulawayo,
Matopos Research Station, PO Box 776 Bulawayo, Zimbabwe
IIIUNESCO-IHE, Westvest 7, PO Box 3015, 2601 DA Delft, The
Netherlands IVDepartment of Water Resources, Delft University of
Technology, PO Box 5048, 2600 GA Delft, The Netherlands Changing
regional and global trends in climate and discharge, such as
global warming-related declines in annual rainfall in south-
eastern Africa, are likely to have a strong influence on water
resource availability, and to increase livelihood risk. It is
therefore important to characterise such trends. Information can
be obtained by examining and comparing the rainfall and runoff
records at different locations within a basin. In this study,
trends in various parameters of temperature (4 stations),
rainfall (10 stations) and discharge (16