Development and analytical verification of an integrated 2-D surface water-groundwater model

Sparks, Tim D., Bockelmann-Evans, Bettina ORCID: https://orcid.org/0000-0003-4208-9341 and Falconer, Roger Alexander ORCID: https://orcid.org/0000-0001-5960-2864 2013. Development and analytical verification of an integrated 2-D surface water-groundwater model. Water Resources Management 27 (8) , pp. 2989-3004. 10.1007/s11269-013-0327-y

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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.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Publisher:	Springer
ISSN:	0920-4741
Last Modified:	24 Oct 2022 10:43
URI:	https://orca.cardiff.ac.uk/id/eprint/45556

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