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Modeling of Groundwater Flow
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Modeling of Groundwater Flow

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Hydrogeology".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 3484

Special Issue Editors

Prof. Říha Jaromír

E-Mail Website
Guest Editor
Faculty of Civil Engineering, Brno University of Technology, Veveří 331/95, 602 00 Brno, Czech Republic
Interests: groundwater flow; mathematical modelling; dams; internal erosion in soils; flood protection; risk analysis
Dr. Ing Dana Baroková

E-Mail Website
Guest Editor
Faculty of Civil Engineering, Slovak University of Technology in Bratislava, Radlinského 2766/11, 810 05 Bratislava, Slovakia
Interests: hydromechanics; groundwater flow; numerical modelling

Special Issue Information

Dear Colleagues,

Groundwater is an inseparable component of the hydrological cycle, and of water resource systems. It is the only source of water for rivers, lakes and wetlands during droughts, and is crucial in retaining sustainable environmental and water conditions. It also plays a significant role in water supply for drinking, industrial agriculture, and ecosystems purposes. Groundwater’s importance will continue to increase. On the other side, groundwater effects must be taken into account when designing and operating water structures, namely those damming water as well as the deep foundations of civil structures. The subsurface parts of civil and hydraulic structures may represent significant interventions into the groundwater regime if not treated. Uncontrolled seepage progressing in embankment structures and their sub-bases may result in the internal erosion and internal instabilities into soils. Computer modelling techniques are the contemporary tools for solving groundwater-related issues. This Special Issue welcomes the research and case studies that address the various issues related to the groundwater flow and possibilities of their modelling, including related risks. Problems such as water supply; groundwater protection; groundwater issues in urban areas during drought, no-flood periods and during flood events; and the assessment of groundwater impact on hydraulic and civil structures as well as on the environment using groundwater flow modelling should be addressed. Practical examples of groundwater flow modelling and its results are welcomed, as are assessments of the new or modified conditions carried out as part of the environmental impact assessment process.

Prof. Říha Jaromír
Dr. Ing Dana Baroková
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • groundwater flow modelling
  • numerical methods
  • groundwater resources
  • pore pressures
  • risk analysis

Published Papers (3 papers)

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Research

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22 pages, 18575 KiB  
Article
Assessing the Impact of a Railway Tunnel on Groundwater Flow Regime in Urban Areas: A Case Study of Bratislava’s TEN-T Track and Proposed Mitigation Measures
by Dana Baroková, Andrej Šoltész and Michaela Červeňanská
Water 2023, 15(13), 2446; https://doi.org/10.3390/w15132446 - 03 Jul 2023
Viewed by 1109
Abstract
The Bratislava region in Slovakia aims to improve its transport infrastructure by connecting the airport with the railway network. As part of the Trans-European Network for Transport project (TEN-T), an underground railway line is proposed to be constructed on both sides of the [...] Read more.
The Bratislava region in Slovakia aims to improve its transport infrastructure by connecting the airport with the railway network. As part of the Trans-European Network for Transport project (TEN-T), an underground railway line is proposed to be constructed on both sides of the Danube River, connecting the airport in Bratislava to the Petržalka region on the river’s right side. However, underground construction is likely to have an impact on the groundwater flow regime. This construction, which will be built below the ground surface, should be built by excavating from above under the protection of sealing walls to prevent significant changes to the groundwater level regime (GWL). Therefore, a numerical model based on the finite element method (FEM) was established to evaluate the effect of the planned underground construction on the GWL, and technical measures were introduced to mitigate any potential impacts. The results of the model revealed possibilities for controlling the groundwater level in the aquifer affected by the railway structure during and after the construction. Full article
(This article belongs to the Special Issue Modeling of Groundwater Flow)
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20 pages, 6913 KiB  
Article
The Impact of Groundwater Model Parametrization on Calibration Fit and Prediction Accuracy—Assessment in the Form of a Post-Audit at the SLOVNAFT Oil Refinery Site, in Slovakia
by Martin Zatlakovič, Dávid Krčmář, Kamila Hodasová, Ondra Sracek, Štefan Marenčák, Ľubica Durdiaková and Alexander Bugár
Water 2023, 15(5), 839; https://doi.org/10.3390/w15050839 - 21 Feb 2023
Cited by 2 | Viewed by 1732
Abstract
The present work is focused on the effect of increasing model complexity on calibration fit and prediction accuracy. Groundwater flow was numerically simulated at a field site with a hydraulic groundwater protection system in operation with many pumping and observation wells at the [...] Read more.
The present work is focused on the effect of increasing model complexity on calibration fit and prediction accuracy. Groundwater flow was numerically simulated at a field site with a hydraulic groundwater protection system in operation with many pumping and observation wells at the site of the Slovnaft refinery in southwestern Slovakia. The adjusted parameters during the calibration included hydraulic conductivity, as well as recharge, evapotranspiration, and riverbed conductance. Four model scenarios were built (V1–V4) within the model calibration for the conditions in the year 2008, with increasing complexity mainly within artificial K-field zonation, which was created and step-wise upgraded based on groundwater head residuals’ distribution. Selected descriptive statistics were evaluated together with chosen information criteria after the models were calibrated. Subsequently, the real predictive accuracy of individual calibrated scenarios was evaluated for conditions in the year 2019 in the form of a post-audit. Within the overall evaluation, the calibration fit increased with increased parameterization complexity. However, the Akaike information criterion, corrected Akaike information criterion, and Bayesian information criterion detected opposite trends for model predictability. A post-audit of prediction accuracy revealed a significant improvement of the V2, V3, and V4 scenarios against the simplest V1 scenario. However, among the V2–V4 scenarios, the degree of prediction accuracy improvement was almost insignificant. The level of effort spent on V3 and V4 parameterization seems disproportionate to the benefit of a negligible improvement in prediction accuracy. Groundwater flow path analysis showed that similarly successful scenarios (measured by prediction accuracy) can generate very different groundwater pathlines. Full article
(This article belongs to the Special Issue Modeling of Groundwater Flow)
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Review

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23 pages, 7456 KiB  
Review
Quantification of Groundwater Hazards Related to Fluvial Floods via Groundwater Flow Modelling: A Review
by Jaromír Říha, Tomáš Julínek and David Duchan
Water 2023, 15(6), 1145; https://doi.org/10.3390/w15061145 - 15 Mar 2023
Cited by 1 | Viewed by 2026
Abstract
Flood-related issues include the impact of groundwater on flood protection measures and other subsurface structures in a protected area. At the same time, subsurface elements of flood protection structures may significantly influence the natural groundwater regime and affect existing structures during non-flood periods. [...] Read more.
Flood-related issues include the impact of groundwater on flood protection measures and other subsurface structures in a protected area. At the same time, subsurface elements of flood protection structures may significantly influence the natural groundwater regime and affect existing structures during non-flood periods. The paper provides an overview of hazardous factors linked to groundwater and specifies variables for the quantification of related hazards. Appropriate hydraulic groundwater flow models are presented and discussed, and their suitability for the modelling of individual typical problems and for hazard quantification is specified. The use of models and the application of CAD and GIS tools for data pre- and post-processing is mentioned in brief and demonstrated on examples of typical practical situations. Full article
(This article belongs to the Special Issue Modeling of Groundwater Flow)
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