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Modelling small groundwater systems: experiences from the Braunton Burrows and Ainsdale coastal dune systems, UK.

Modelling small groundwater systems: experiences from the Braunton Burrows and Ainsdale coastal dune systems, UK.
Modelling small groundwater systems: experiences from the Braunton Burrows and Ainsdale coastal dune systems, UK.
Coastal dunes are delicate systems that are under threat from a variety of human and natural influences. Groundwater modelling can provide a better understanding of how these systems operate and can be a useful tool towards the effective management of a coastal dune system, e.g. by identifying strategically important locations for flora and fauna and guiding the planning of management operations through predicting impacts from climatic change, sea level rise and land use management. Most dune systems are small, typically of the size 10–100 km2, compared with inland groundwater systems. Applying conventional groundwater modelling approaches to these small systems presents a number of challenges due to the local scale of the system and the fact that the system boundaries (sea, drains, ponds etc.) are close to the main body of the aquifer. In this paper, two case studies will be presented using different modelling approaches to understand the groundwater balance in two dune systems in the UK. The studies demonstrate that, although conventional hydraulic models can describe the general system behaviour, a fuller understanding of the recharge mechanisms and system boundaries is needed to represent adequately system dynamics of small groundwater systems.
Dune system, groundwater flow modelling, hydrogeology, Ainsdale, Braunton, Burrows, UK
1400-0350
595-614
Abesser, Corinna
d6ace94b-3886-4d31-99a6-0d226ceef57a
Clarke, Derek
9746f367-1df2-4e0e-8d71-5ecfc9ddd000
Hughes, Andrew G.
a3a6fd6c-e9c4-4661-b00e-d9fd9902398f
Robins, Nick S.
fe095a57-d828-4d66-9666-c7334914dd77
Abesser, Corinna
d6ace94b-3886-4d31-99a6-0d226ceef57a
Clarke, Derek
9746f367-1df2-4e0e-8d71-5ecfc9ddd000
Hughes, Andrew G.
a3a6fd6c-e9c4-4661-b00e-d9fd9902398f
Robins, Nick S.
fe095a57-d828-4d66-9666-c7334914dd77

Abesser, Corinna, Clarke, Derek, Hughes, Andrew G. and Robins, Nick S. (2017) Modelling small groundwater systems: experiences from the Braunton Burrows and Ainsdale coastal dune systems, UK. Journal of Coastal Conservation, 21, (5), pp. 595-614. (doi:10.1007/s11852-017-0525-5).

Record type: Article

Abstract

Coastal dunes are delicate systems that are under threat from a variety of human and natural influences. Groundwater modelling can provide a better understanding of how these systems operate and can be a useful tool towards the effective management of a coastal dune system, e.g. by identifying strategically important locations for flora and fauna and guiding the planning of management operations through predicting impacts from climatic change, sea level rise and land use management. Most dune systems are small, typically of the size 10–100 km2, compared with inland groundwater systems. Applying conventional groundwater modelling approaches to these small systems presents a number of challenges due to the local scale of the system and the fact that the system boundaries (sea, drains, ponds etc.) are close to the main body of the aquifer. In this paper, two case studies will be presented using different modelling approaches to understand the groundwater balance in two dune systems in the UK. The studies demonstrate that, although conventional hydraulic models can describe the general system behaviour, a fuller understanding of the recharge mechanisms and system boundaries is needed to represent adequately system dynamics of small groundwater systems.

Text Abeseer Clarke Hughes Robbins Submitted Nov 2016 JCC - Accepted Manuscript
Restricted to Repository staff only until 19 May 2018.
Text Abeseer Clarke Hughes Robbins 2016 final published paper OPEN ACCESS - Version of Record
Available under License Creative Commons Attribution.
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More information

Accepted/In Press date: 30 May 2017
e-pub ahead of print date: 27 August 2017
Published date: 1 November 2017
Keywords: Dune system, groundwater flow modelling, hydrogeology, Ainsdale, Braunton, Burrows, UK
Organisations: Southampton Marine & Maritime Institute, Water & Environmental Engineering Group

Identifiers

Local EPrints ID: 411619
URI: http://eprints.soton.ac.uk/id/eprint/411619
ISSN: 1400-0350
PURE UUID: 5f03b1b6-3be1-44f7-ba1c-f5817ed14055
ORCID for Derek Clarke: ORCID iD orcid.org/0000-0002-5433-5258

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Date deposited: 21 Jun 2017 16:31
Last modified: 21 Nov 2017 17:31

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Contributors

Author: Corinna Abesser
Author: Derek Clarke ORCID iD
Author: Andrew G. Hughes
Author: Nick S. Robins

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