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Geophysical Signature of Subsurface Reactive Mixing

Total Cost €


EC-Contrib. €






 GeoElectricMixing project word cloud

Explore the words cloud of the GeoElectricMixing project. It provides you a very rough idea of what is the project "GeoElectricMixing" about.

hence    fronts    impedance    rivers    situ    experiments    techniques    mixing    millifluidic    zones    profoundly    beneath    sampling    reactions    critical    cell    geoelectrics    setup    host    hyporheic    hot    charge    window    play    polarization    hampered    transported    dictating    migration    reactive    sequestration    transport    chemical    questions    upscaled    detect    water    fluids    wp2    data    geological    geoelectricmixing    concentrations    signals    enhancement    situations    subsurface    phenomena    infiltrated    dynamics    interaction    compositions    remediation    hotspots    reaction    invasive    operations    modeling    spatial    bodies    rate    vision    spots    co2    wp1    contaminant    coupling    concentrate    rates    predict    sensitivity    integrating    breakthroughs    designed    tend    injected    evolution    temporal    environments    self    monitor    jointly    geothermal    progressing    groundwater    quantified    capacities    unlock    front    species    expanding    geoelectrical    limited    boreholes    resident    contaminants    framework    surface    quantify    electrodes   

Project "GeoElectricMixing" data sheet

The following table provides information about the project.


Organization address
address: RUE DU THABOR 2
postcode: 35065

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website
 Total cost 173˙076 €
 EC max contribution 173˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-04-01   to  2019-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    UNIVERSITE DE RENNES I FR (RENNES CEDEX) coordinator 173˙076.00


 Project objective

Subsurface reactive processes play a key role in dictating the evolution of subsurface environments, their interaction with surface water bodies and the migration and remediation of transported contaminants. In particular reactive hot spots tend to concentrate in mixing fronts between fluids of different compositions, such as recently infiltrated/injected fluids and resident groundwater, which develop in a range of situations, including CO2 sequestration operations and geothermal systems, contaminant remediation operations, and reactive hyporheic zones beneath rivers. Our understanding of the development and temporal dynamics of these hotspots is currently hampered by the limited sampling offered by boreholes. Recent breakthroughs in geoelectrics may however profoundly change our vision of these phenomena by providing non-invasive techniques with high sensitivity to many geological processes. GeoElectricMixing will hence develop a novel approach to investigate the temporal dynamics of reactive mixing processes from Complex Impedance and Self Potential signals. The coupling of reactive mixing and geoelectrics will be quantified and upscaled by integrating charge transport and polarization phenomena in a new modeling framework, recently developed by the host to predict the spatial distribution of chemical species and reaction rates across mixing fronts (WP1). Dedicated experiments will then be designed by integrating electrodes in a novel millifluidic setup to monitor jointly the temporal evolution of geoelectrical parameters and the spatial distribution of concentrations and reactions rate in a reactive mixing front progressing through the cell (WP2). GeoElectricMixing is thus expected to open a new window on subsurface reactive mixing phenomena, expanding our capacities to detect and quantify these processes in situ, and thus providing critical data to unlock current open questions on the dynamics of mixing processes and their role in reaction enhancement.


year authors and title journal last update
List of publications.
2018 U. Ghosh, T. L. Borgne, D. Jougnot, N. Linde, Y. Méheust
Geoelectrical Signatures of Reactive Mixing: A Theoretical Assessment
published pages: 3489-3498, ISSN: 0094-8276, DOI: 10.1002/2017gl076445
Geophysical Research Letters 45/8 2019-06-12
2017 U. Ghosh, A. Bandopadhyay, D. Jougnot, T. LeBorgne and Y. Meheust
Coupled charge migration and fluid mixing in reactive fronts
published pages: 18854, ISSN: , DOI:
EGU General Assembly 19 2019-06-11
2017 U. Ghosh, A. Bandopadhyay, D. Jougnot, T. LeBorgne and Y. Meheust
Coupled charge migration and fluid mixing in reactive fronts
published pages: Abstract No. 772, ISSN: , DOI:
INTERPORE Coneference 9 2019-06-11
2018 U. Ghosh, T. LeBorgne and Y. Meheust
Coupled Electro-hydrodynamic Transport in Geological Fractures
published pages: Poster 31, ISSN: , DOI:
CMWR Conference 22 2019-06-11

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