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Application of multiple-point geostatistics on groundwater flow and transport in media with complex geological heterogeneity: lessons learnt and remaining challenges
Huysmans, Marijke; Dassargues, Alain
2014GeoENV'2014
 

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Keywords :
multiple-point geostatistics; aquifer; groundwater modelling; groundwater flow; groundwater transport; challenges
Abstract :
[en] Multiple-point geostatistics has been increasingly applied on groundwater problems in the last ten years. Several case studies have been published indicating simulating realistic geological heterogeneity using multiple-point geostatistics can significantly improve groundwater flow and solute transport predictions. There are however several remaining challenges when applying multiple-point geostatistics to groundwater problems often suffering from data scarcity. These challenges might be the reason why multiple-point has been used to a much lesser extent by practitioners than by researchers. This paper gives an overview of the current challenges and discusses new advancements to overcome them. The following questions will be discussed: How to obtain 3D training images? Can the representativity of the used training image be validated ? How sensitive are groundwater calculations to the selection of the training image? Is it worth incorporating fine scale geological heterogeneity in groundwater problems or are other features (boundary conditions, data uncertainty/quality, …) more important for improving predictions? How can multiple-point geostatistics be used without suffering from very long computation times for the numerical models? Is overparametrization of groundwater models an issue ? What are the practical obstacles to apply multiple-point geostatistics by groundwater practitioners?
Disciplines :
Geological, petroleum & mining engineering
Author, co-author :
Huysmans, Marijke;  Vrije Universiteit Brussel - VUB > Dept. of Hydrology and Hydraulic Engineering
Dassargues, Alain  ;  Université de Liège - ULiège > Département ArGEnCo > Hydrogéologie & Géologie de l'environnement
Language :
English
Title :
Application of multiple-point geostatistics on groundwater flow and transport in media with complex geological heterogeneity: lessons learnt and remaining challenges
Publication date :
09 July 2014
Event name :
GeoENV'2014
Event organizer :
Int. Ass. of Mathematical Geosciences
Event place :
Paris, France
Event date :
9-11 July 2014
Audience :
International
Funders :
FWO - Fonds Wetenschappelijk Onderzoek Vlaanderen [BE]
Available on ORBi :
since 16 July 2014

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