Development and Analytical Verification of an Integrated 2-D Surface Water—Groundwater Model

Tim Sparks, Bettina Bockelmann-Evans () and Roger Falconer

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2013, vol. 27, issue 8, 2989-3004

Abstract: DIVAST is a two-dimensional hydrodynamic and water quality numerical model developed for estuarine and coastal modelling. The original model enables the simulation of problems such as pollution and flooding in surface waters. In this paper the existing model is extended to allow the modelling of 2-D groundwater as well as surface water in the same model, using an integrated approach rather than two disparate models. The changes to the original model are summarised and the method of implementation is outlined. The new extended model (DIVAST-SG) is then tested against an analytical solution to verify that the model solves the equations correctly. The model is shown to predict the analytical solution for two different scenarios to within approximately 1 % of the height of flood wave. Copyright Springer Science+Business Media Dordrecht 2013

Keywords: Surface water modelling; Groundwater modelling; DIVAST; DIVAST-SG; Integrated modelling (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11269-013-0327-y

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