Articles | Volume 19, issue 2
Hydrol. Earth Syst. Sci., 19, 657–673, 2015
https://doi.org/10.5194/hess-19-657-2015
Hydrol. Earth Syst. Sci., 19, 657–673, 2015
https://doi.org/10.5194/hess-19-657-2015
Research article
02 Feb 2015
Research article | 02 Feb 2015

Drivers of spatial and temporal variability of streamflow in the Incomati River basin

A. M. L. Saraiva Okello et al.

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Short summary
We studied long-term daily records of rainfall and streamflow of the Incomati River basin in southern Africa. We used statistical analysis and the Indicators of Hydrologic Alteration tool to describe the spatial and temporal variability flow regime. We found significant declining trends in October flows, and low flow indicators; however, no significant trend was found in rainfall. Land use and flow regulation are larger drivers of temporal changes in streamflow than climatic forces in the basin.