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Deterministic modelling of the cumulative impacts of underground structures on urban groundwater flow and the definition of a potential state of urban groundwater flow: example of Lyon, France

Attard, Guillaume ; Rossier, Yvan ; Winiarski, Thierry ; Cuvillier, Loann ; Eisenlohr, Laurent

Hydrogeology journal, 2016-08, Vol.24 (5), p.1213-1229 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Deterministic modelling of the cumulative impacts of underground structures on urban groundwater flow and the definition of a potential state of urban groundwater flow: example of Lyon, France
Autor: Attard, Guillaume ; Rossier, Yvan ; Winiarski, Thierry ; Cuvillier, Loann ; Eisenlohr, Laurent
Assuntos: Aquatic Pollution ; Aquifers ; Biodiversity and Ecology ; Computer simulation ; Earth and Environmental Science ; Earth Sciences ; Environmental Sciences ; Geology ; Geophysics/Geodesy ; Ground-water flow ; Groundwater ; Hydraulics ; Hydrogeology ; Hydrology/Water Resources ; Lyon ; Mathematical models ; Underground structures ; Urban areas ; Waste Water Technology ; Water Management ; Water Pollution Control ; Water Quality/Water Pollution ; Water resources management
É parte de: Hydrogeology journal, 2016-08, Vol.24 (5), p.1213-1229
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Underground structures have been shown to have a great influence on subsoil resources in urban aquifers. A methodology to assess the actual and the potential state of the groundwater flow in an urban area is proposed. The study develops a three-dimensional modeling approach to understand the cumulative impacts of underground infrastructures on urban groundwater flow, using a case in the city of Lyon (France). All known underground structures were integrated in the numerical model. Several simulations were run: the actual state of groundwater flow, the potential state of groundwater flow (without underground structures), an intermediate state (without impervious structures), and a transient simulation of the actual state of groundwater flow. The results show that underground structures fragment groundwater flow systems leading to a modification of the aquifer regime. For the case studied, the flow systems are shown to be stable over time with a transient simulation. Structures with drainage systems are shown to have a major impact on flow systems. The barrier effect of impervious structures was negligible because of the small hydraulic gradient of the area. The study demonstrates that the definition of a potential urban groundwater flow and the depiction of urban flow systems, which involves understanding the impact of underground structures, are important issues with respect to urban underground planning.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Deterministic modelling of the cumulative impacts of underground structures on urban groundwater flow and the definition of a potential state of urban groundwater flow: example of Lyon, France

Attard, Guillaume ; Rossier, Yvan ; Winiarski, Thierry ; Cuvillier, Loann ; Eisenlohr, Laurent

Berlin/Heidelberg: Springer Berlin Heidelberg

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