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GeoElectricMixing

Geophysical Signature of Subsurface Reactive Mixing

Total Cost €

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EC-Contrib. €

0

Partnership

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 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.

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

Project "GeoElectricMixing" data sheet

The following table provides information about the project.

Coordinator
UNIVERSITE DE RENNES I 

Organization address
address: RUE DU THABOR 2
city: RENNES CEDEX
postcode: 35065
website: www.univ-rennes1.fr

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 https://www.iitgn.ac.in/faculty/mechanical/uddipta_ghosh.htm
 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

 Partnership

Take a look of project's partnership.

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

Map

 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.

 Publications

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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