The effect of model configuration on modelled hillslope-riparian interactions

H L Cloke, M G Anderson, J R Blake, P D Bates, J P Renaud, A J Claxton, J J McDonnell

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

The transfer of hillslope water to and through the riparian zone forms a research area of importance in hydrological investigations. Numerical modelling schemes offer a way to visualise and quantify first-order controls on catchment runoff response and mixing. We use a two-dimensional Finite Element model to assess the link between model setup decisions (e.g. zero-flux boundary definitions, soil algorithm choice) and the consequential hydrological process behaviour. A detailed understanding of the consequences of model configuration is required in order to produce reliable estimates of state variables. We demonstrate that model configuration decisions can determine effectively the presence or absence of particular hillslope flow processes and, the magnitude and direction of flux at the hillslope-riparian interface. If these consequences are not fully explored for any given scheme and application, the resulting process inference may well be misleading. (c) 2003 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)167-181
Number of pages15
JournalJOURNAL OF HYDROLOGY
Volume279
Issue number1-4
Publication statusPublished - 25 Aug 2003

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