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Fractured aquifer heterogeneity characterization for advanced transport modelling based on multiple single fracture tracer tests
Hoffmann, Richard; Goderniaux, Pascal; Poulain, Angélique et al.
201845th IAH Congress - Korea (The International Association of Hydrogeologists)
 

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Keywords :
Multi Tracer Test; Chalk; Heterogeneity; Single fracture; Flowmeter test; Dissolved gases
Abstract :
[en] Assessing fractured rocks, like a complex double porosity chalk, requires an advanced heterogeneity characterization and preferential pathway quantification. This contributes for reducing the uncertainty of transport predictions for protecting this excellent drinking water suppliers. With flowmeter tests and optical imaging, a horizontal main fracture between two adjacent 7.55 m distant wells is figured out. Injecting jointly 70 h heat and two solute pulses in a dipole configuration shows a strong heat delay and temperature rebound due to matrix reactions. Using dissolved gases jointly with a solute show, that the higher the tracer diffusivity the higher the confronted flow heterogeneity.
Disciplines :
Geological, petroleum & mining engineering
Author, co-author :
Hoffmann, Richard ;  Université de Liège - ULiège > Form. doct. sc. ingé. & techn. (archi., gén. civ. - paysage)
Goderniaux, Pascal;  Université de Mons - UMONS > Mines-Geology > Geology and Applied Geology
Poulain, Angélique;  Université de Mons - UMONS > Mines-Geology > Geology and Applied Geology
Dassargues, Alain  ;  Université de Liège - ULiège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Language :
English
Title :
Fractured aquifer heterogeneity characterization for advanced transport modelling based on multiple single fracture tracer tests
Publication date :
11 September 2018
Event name :
45th IAH Congress - Korea (The International Association of Hydrogeologists)
Event organizer :
IAH - KIGAM - KoSSGE
Event place :
Daejeon, South Korea
Event date :
from 09-09-2018 to 14-09-2018
Audience :
International
European Projects :
H2020 - 722028 - ENIGMA - European training Network for In situ imaGing of dynaMic processes in heterogeneous subsurfAce environments
Name of the research project :
Joint heat and solute tracer test inversion for imaging preferential pathways
Funders :
CE - Commission Européenne [BE]
Available on ORBi :
since 19 September 2018

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