Identification of runoff generation processes using combined hydrometric, tracer and geophysical methods in a headwater catchment in South Africa

Runoff generation processes using combined hydrometric, tracer and geophysical methods in a headwater catchment in South Africa were studied. Classical hydrometric techniques were supplemented with electrical resistivity imaging and tracer studies. It was found that the knowledge of source areas, fl...

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Bibliographic Details
Published in:Hydrological sciences journal 2008-02, Vol.53 (1), p.65-80
Main Authors: WENNINGER, Jochen, UHLENBROOK, Stefan, LORENTZ, Simon, LEIBUNDGUT, Christian
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Hydrology
Hydrology. Hydrogeology
Online Access:Get full text
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Summary:Runoff generation processes using combined hydrometric, tracer and geophysical methods in a headwater catchment in South Africa were studied. Classical hydrometric techniques were supplemented with electrical resistivity imaging and tracer studies. It was found that the knowledge of source areas, flow pathways and residence times of water and solutes were crucial for the characterization of runoff dynamics, water quality and low determinations. The application and combination of a number of different field methods at the same investigation area led to better process understanding. The results led to the confirmation and refinement of a conceptual model of runoff generating processes, which was previously based solely on hydrometric observations.
ISSN:0262-6667
2150-3435
DOI:10.1623/hysj.53.1.65