geo³ division and the applied geophysicsresearchunit · 2017-09-22 · data assimilation •...
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GEO³ division and the AppliedGeophysics Research UnitDepartment Urband and EnvironmentalEngineeringFaculty of Engineering
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GEO3 research divisionHydrogeology andenvironmental geology
Applied geophysics
Geomechanics andengineeringgeology
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InfrastructuresThree laboratories– Geotechnology (rock&soils tests)– Analytical chemistry onliquid phases– Petrophysics (SIP,temperature controlled)
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InfrastucturesThree Field sites• Hermalle-sous-Argenteau• Sart-Tilman• Colonster
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±
!(
0 50 10025km±
FRANCE
GERMANY
THE NETHERLANDS
Albe
rt C
anal
Meu
se R
iver
experimental site
Meuse River
0 250 500125m
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The Applied Geophysics ResearchUnit (2007)• Inverseproblems ingeophysical imaging• Dataassimilation• Environnementalgeophysics
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Inverse problem and geophysicalimaging
Focusedtime-lapseinversionSyntheticbenchmark Fieldvalidation
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Data assimilation• Statingofpriorgeological
uncertaintyfrompreviousstudiesusingtrainingimagesandmultiplepointgeostatistics
• Probabilisticfalsification ofstatedgeologicalpriorwithgeophysicaldatausingmutlidimensional scaling
• Inversion andconditioningwithfalsifiedpriorusingprobabilitypertubation methodorpredictionfocusedapproaches
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Environnemental geophysics
100 101 102 103 104-0.05
0
0.05
0.1
0.15
0.2
Frequency (Hz)
s"
(µS.
cm-1
)
R. erythropolis T902.1E.coli K12B. amyloliquefaciens GA1P. putida KT2420Water
SEM images of (a) R. erythropolis T902.1, (b) E.coli K12, (c) B. amyloliquefaciens GA1 and (d) P. putidaKT2420. Horizontal bars represent 20 µm. Only B. amyloliquefaciens forms large aggregates
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