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  4. Geological realism in hydrogeological and geophysical inverse modeling: A review
 
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Geological realism in hydrogeological and geophysical inverse modeling: A review

Auteur(s)
Linde, Niklas
Editeur(s)
Renard, Philippe 
Centre d'hydrogéologie et de géothermie 
Mukerji, Tapan
Caers, Jef
Date de parution
2015
In
Advances in Water Resources, Elsevier, 2015/86//86-101
Mots-clés
  • Geostatistics

  • Inverse problems

  • Hydrogeology

  • Geophysics

  • Hydrogeophysics

  • Markov chain Monte Ca...

Résumé
Scientific curiosity,exploration of georesources and environmental concerns are pushing the geoscientific research community toward subsurface investigations of ever-increasing complexity.This review explores various approaches to formulate and solve inverse problems in ways that effectively integrate geological concepts with geophysical and hydrogeological data. Modern geostatistical simulation algorithms can produce multiple subsurface realizations that are in agreement with conceptual geological models and statistical rock physics can be used to map these realizations into physical properties that are sensed by the geophysical or hydrogeological data.The inverse problem consists of finding one or an ensemble of such subsurface realizations that are in agreement with the data.The most general inversion frameworks are presently often computationally intractable when applied to large-scale problems and it is necessary to better understand the implications of simplifying (1) the conceptual geological model (e.g.,using model compression); (2) the physical forward problem (e.g.,using proxy models); and (3) the algorithm used to solve the inverse problem (e.g.,Markov chain Monte Carlo or local optimization methods) to reach practical and robust solutions given today’s computer resources and knowledge. We also highlight the need to not only use geophysical and hydrogeological data for parameter estimation purposes, but also to use them to falsify or corroborate alternative geological scenarios.
URI
https://libra.unine.ch/handle/123456789/4153
DOI
10.1016/j.advwatres.2015.09.019
Autre version
http://dx.doi.org/10.1016/j.advwatres.2015.09.019
Type de publication
Resource Types::text::journal::journal article
Dossier(s) à télécharger
 main article: Linde_N-Geological_realism_in_hydrogeological-20171116.pdf (3.65 MB)
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