22-27 September 2019
Trade Fairs and Congress Center (FYCMA)
Europe/Madrid timezone

A cross European project to understand the vulnerability of shallow groundwater resources to deep subsurface energy activities (VoGERA)

23 Sep 2019, 16:00
1h
Trade Fairs and Congress Center (FYCMA)

Trade Fairs and Congress Center (FYCMA)

Av. de José Ortega y Gasset, 201 29006 Malaga, Spain
Poster Topic 1 - Groundwater assessment and management Poster with refreshments

Speaker

John Bloomfield

Description

Society is increasingly looking to the subsurface for our energy needs, be that for extracting geothermal energy, shale gas, or buffering heat, gas, or storing by-products of energy production. An increasingly crowded subsurface presents risks to groundwater relied on for water supply, since subsurface activities can introduce or release contaminants and alter subsurface properties. The VoGERA project is investigating the vulnerability of shallow groundwater from a range of subsurface energy technologies across different hydrogeological and geological settings within Europe.

A suite of conceptual models compare the intrinsic vulnerability for different geological (crystalline, poorly consolidated and well consolidated sedimentary basins) and hydrogeological (basin centre and margins) conditions. They also consider the impacts of different subsurface activity types broadly categorised as those processes including injection, abstraction and a neutral fluid balance.
Potential contamination pathways are being investigated at four case study sites; the Rauw Fault in Belgium, Panonian Basin in Hungary, The Peel Boundary Fault in the Netherlands and the Vale of Pickering in the UK. Geophysical, hydrological and hydrochemical data from these sites will be assessed in order to improve contamination pathway process understanding in a European setting.
Findings from the case study sites will be used to evaluate the conceptual models and to develop a tool for decision makers and the public to assess the vulnerability to shallow groundwater from sub-surface energy activities depending on the activity, and geological and hydrogeological conditions at a specific location.

The VoGERA project is funded as part of the European Union’s Horizon 2020 GeoERA network of projects under the Groundwater theme (Grant agreement number 731166).

Primary author

Sian Loveless (British Geological Survey)

Co-authors

Willem Zaadnoordijk (TNO Geological Survey of the Netherlands) Koen Beerten Cis Slenter (VMM) Ágnes Rotár-Szalkai (Mining and Geological Survey of Hungary) Mr Daniel Mallin-Martin (British Geological Survey) John Bloomfield

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