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Environmental Earth Sciences

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01-11-2014 | Thematic Issue

Assessing the saltwater remediation potential of a three-dimensional, heterogeneous, coastal aquifer system

Model verification, application and visualization for transient density-driven seawater intrusion

Authors: Marc Walther, Lars Bilke, Jens-Olaf Delfs, Thomas Graf, Jens Grundmann, Olaf Kolditz, Rudolf Liedl

Published in: Environmental Earth Sciences | Issue 10/2014

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Abstract

This paper evaluates the remediation potential of a salinized coastal aquifer by utilizing a scenario simulation. Therefore, the numerical model OpenGeoSys is first validated against analytical and experimental data to represent transient groundwater level development and variable density saline intrusion. Afterwards, a regional scale model with a three-dimensional, heterogeneous hydrogeology is calibrated for a transient state and used to simulate a best-case scenario. Water balances are evaluated in both the transient calibration and scenario run. Visualization techniques help to assess the complex model output providing valuable insight in the occurring density-driven flow processes. Furthermore, modeling and visualization results give information on the time scale for remediation activities and, due to limitations in data quality and quantity reveal potential for model improvement.

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Title: Assessing the saltwater remediation potential of a three-dimensional, heterogeneous, coastal aquifer system
Model verification, application and visualization for transient density-driven seawater intrusion
Authors: Marc Walther
Lars Bilke
Jens-Olaf Delfs
Thomas Graf
Jens Grundmann
Olaf Kolditz
Rudolf Liedl
Publication date: 01-11-2014
Publisher: Springer Berlin Heidelberg
Published in: Environmental Earth Sciences / Issue 10/2014
Print ISSN: 1866-6280
Electronic ISSN: 1866-6299
DOI: https://doi.org/10.1007/s12665-014-3253-2

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