Groundwater flow modelling of multi-aquifer systems for regional resources evaluation: the Gdansk hydrogeological system, Poland

Jaworska-Szulc, Beata

doi:10.1007/s10040-009-0473-8

Cited by 20 publications

(17 citation statements)

References 5 publications

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“…This means that the system's specific yield amounts to 4% of the total storage, an estimate which is roughly consistent with figures for the whole Mezquital Valley system (7%) [96]. While still rough, these figures may be taken as a baseline for detailed studies based on groundwater balance calculations [97] or numerical models [98].…”

Section: D Visualization and Integration Tool For Management Purposessupporting

confidence: 69%

Water Supply Source Evaluation in Unmanaged Aquifer Recharge Zones: The Mezquital Valley (Mexico) Case Study

Hernández-Espriú

Arango-Galván

Reyes-Pimentel³

et al. 2016

Water

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Abstract:The Mezquital Valley (MV) hosts the largest unmanaged aquifer recharge scheme in the world. The metropolitan area of Mexico City discharges~60 m 3 /s of raw wastewater into the valley, a substantial share of which infiltrates into the regional aquifer. In this work, we aim to develop a comprehensive approach, adapted from oil and gas reservoir modeling frameworks, to assess water supply sources located downgradient from unmanaged aquifer recharge zones. The methodology is demonstrated through its application to the Mezquital Valley region. Geological, geoelectrical, petrophysical and hydraulic information is combined into a 3D subsurface model and used to evaluate downgradient supply sources. Although hydrogeochemical variables are yet to be assessed, outcomes suggest that the newly-found groundwater sources may provide a long-term solution for water supply. Piezometric analyses based on 25-year records suggest that the MV is close to steady-state conditions. Thus, unmanaged recharge seems to have been regulating the groundwater balance for the last decades. The transition from unmanaged to managed recharge is expected to provide benefits to the MV inhabitants. It will also be likely to generate new uncertainties in relation to aquifer dynamics and downgradient systems.

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Section: D Visualization and Integration Tool For Management Purposessupporting

confidence: 69%

Water Supply Source Evaluation in Unmanaged Aquifer Recharge Zones: The Mezquital Valley (Mexico) Case Study

Hernández-Espriú

Arango-Galván

Reyes-Pimentel³

et al. 2016

Water

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“…It is worth noting that lakes occupy 3.5% of the area of the KLD (Drwal ). Also drainage via lakes and rivers accounted for 16% of discharge from the upper Quaternary aquifer system (Q1), and as much as 52% of total discharge from the Quaternary‐Miocene aquifer system (Q2‐M) (Jaworska‐Szulc ).…”

Section: Research Methods and Resultsmentioning

confidence: 99%

“…Groundwater flow model calculations (Jaworska‐Szulc ) have shown that while tunnel valley lakes are gaining lakes, several losing lakes also exist in the region.…”

Section: Introductionmentioning

confidence: 99%

Role of the Lakes in Groundwater Recharge and Discharge in the Young Glacial Area, Northern Poland

Jaworska-Szulc

2015

Groundwater

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The aim of this research was to delineate characteristic hydrogeological lake types in the Young Glacial Area (YGA). The YGA is in the central and east part of the Kashubian Lake District (KLD) in Northern Poland, an area covered by deposits of Quaternary glaciation. All the bigger lakes were investigated in the area of about 1500 km(2) (39 lakes). The role of lakes in groundwater recharge and discharge was determined from total dissolved solids (TDS) in lake waters and also from groundwater flow simulation. The general trend was that gaining lakes, as determined by flow modeling, had higher values of TDS than losing lakes. In addition to typical gaining lakes (with TDS > 250 mg/l), there were losing lakes perched on glacial till deposits with very low TDS (<100 mg/l). Two groups of losing lakes were delineated: ones with very low TDS and another group with slightly higher TDS (due to local contact with groundwater). Flow-through lakes with TDS of 170-200 mg/l were also delineated.

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“…Accurate flow modelling of the aquifer system is deemed fundamental for planning fair and sustainable management of groundwater resources that face enhanced production (Wu et al 2011;Jaworska-Szulc 2009;Sanz et al 2010; Barazzuoli et al 2008). In fact, often the development of basin aquifers proceeds without clear groundwater budgets.…”

Section: Introductionmentioning

confidence: 99%

Alternative conceptual models and the robustness of groundwater management scenarios in the multi-aquifer system of the Central Veneto Basin, Italy

Passadore

Monego

Altissimo³

et al. 2012

Hydrogeol J

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A three-dimensional (3D) groundwater flow model of the deep multi-aquifer Quaternary deposits of the Po plain sedimentary basin, within a 3,300-km(2) area (Veneto, Italy), is developed, tested and applied to aid sustainable large-scale water-resources management. Integrated mathematical modelling proves significantly successful, owing to an unusual wealth of available geological, geophysical, and hydrologic data and to state-of-the-art numerical tools. Of particular interest is the evaluation of the influence of alternative conceptual models; that is, of reconstructed representations of the 3D geological model of the structure of the aquifers. The reference conceptual model is set up by means of extended geological sections and stratigraphic records, and is used to create a large, unstructured 3D finite element grid. By analyzing the effects on piezometric surfaces and on the overall water budget of geometrical perturbations from the reference structure, alternative geo-structural models, obtained by systematically shifting the pinch-out of the aquitards, are compared. Interestingly, the impacts of aquitard pinch-out prove far from negligible. The results suggest the critical importance of reliable geological models even for large, complex 3D models. The good practice of iteratively testing numerically the impact of surprises on the conceptual model, as more field information is collected, is thus supported

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Groundwater flow modelling of multi-aquifer systems for regional resources evaluation: the Gdansk hydrogeological system, Poland

Cited by 20 publications

References 5 publications

Water Supply Source Evaluation in Unmanaged Aquifer Recharge Zones: The Mezquital Valley (Mexico) Case Study

Water Supply Source Evaluation in Unmanaged Aquifer Recharge Zones: The Mezquital Valley (Mexico) Case Study

Role of the Lakes in Groundwater Recharge and Discharge in the Young Glacial Area, Northern Poland

Alternative conceptual models and the robustness of groundwater management scenarios in the multi-aquifer system of the Central Veneto Basin, Italy

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