Regional groundwater flow modelling of the confined aquifers below the Boom Clay in NE Belgium

Katrijn Vandersteen; Matej Gedeon; Jan Marivoet; Laurent Wouters

doi:10.1144/SP400.22

Regional groundwater flow modelling of the confined aquifers below the Boom Clay in NE Belgium

Katrijn Vandersteen, Matej Gedeon, Jan Marivoet, Laurent Wouters

Research output › peer-review

Abstract

For more than 35 years, SCK†CEN has been investigating the possibility of high-level radioactive waste disposal in the Boom Clay in northeastern Belgium. This research, defined in the long-term management programme for high and medium long-lived waste of ONDRAF/NIRAS, includes the regional hydrogeological modelling of the aquifer systems surrounding the Boom Clay. In this paper, the most recent update of the Deep Aquifer Pumping model (DAP) is described, which is capable of quantifying the regional groundwater flow in the complex confined aquifers lying below the Boom Clay in NE Belgium. The DAP model was successfully calibrated using an automated inverse optimization algorithm and is able to reproduce satisfactorily the general trends in the observed groundwater heads. This model can be used as a tool for planning future characterization efforts and reducing the predictive model uncertainty.

Original language	English
Pages (from-to)	163-177
Journal	Journal of the Geological Society
Volume	400
DOIs	https://doi.org/10.1144/SP400.22
State	Published - Sep 2014
Event	Clays in Natural and Engineered Barriers for Radioactive Waste Confinement - ANDRA, Montpellier Duration: 22 Oct 2012 → 25 Oct 2012

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10.1144/SP400.22License: Other

Cite this

@article{7314849d50e44bf6a1bccfdb718a6117,

title = "Regional groundwater flow modelling of the confined aquifers below the Boom Clay in NE Belgium",

abstract = "For more than 35 years, SCK†CEN has been investigating the possibility of high-level radioactive waste disposal in the Boom Clay in northeastern Belgium. This research, defined in the long-term management programme for high and medium long-lived waste of ONDRAF/NIRAS, includes the regional hydrogeological modelling of the aquifer systems surrounding the Boom Clay. In this paper, the most recent update of the Deep Aquifer Pumping model (DAP) is described, which is capable of quantifying the regional groundwater flow in the complex confined aquifers lying below the Boom Clay in NE Belgium. The DAP model was successfully calibrated using an automated inverse optimization algorithm and is able to reproduce satisfactorily the general trends in the observed groundwater heads. This model can be used as a tool for planning future characterization efforts and reducing the predictive model uncertainty.",

keywords = "regional modelling, confined aquifers, Campine area, calibration, sensitivity analysis",

author = "Katrijn Vandersteen and Matej Gedeon and Jan Marivoet and Laurent Wouters",

note = "Score = 10; Clays in Natural and Engineered Barriers for Radioactive Waste Confinement ; Conference date: 22-10-2012 Through 25-10-2012",

year = "2014",

month = sep,

doi = "10.1144/SP400.22",

language = "English",

volume = "400",

pages = "163--177",

journal = "Journal of the Geological Society",

publisher = "Geological Society of London",

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TY - JOUR

T1 - Regional groundwater flow modelling of the confined aquifers below the Boom Clay in NE Belgium

AU - Vandersteen, Katrijn

AU - Gedeon, Matej

AU - Marivoet, Jan

AU - Wouters, Laurent

N1 - Score = 10

PY - 2014/9

Y1 - 2014/9

N2 - For more than 35 years, SCK†CEN has been investigating the possibility of high-level radioactive waste disposal in the Boom Clay in northeastern Belgium. This research, defined in the long-term management programme for high and medium long-lived waste of ONDRAF/NIRAS, includes the regional hydrogeological modelling of the aquifer systems surrounding the Boom Clay. In this paper, the most recent update of the Deep Aquifer Pumping model (DAP) is described, which is capable of quantifying the regional groundwater flow in the complex confined aquifers lying below the Boom Clay in NE Belgium. The DAP model was successfully calibrated using an automated inverse optimization algorithm and is able to reproduce satisfactorily the general trends in the observed groundwater heads. This model can be used as a tool for planning future characterization efforts and reducing the predictive model uncertainty.

AB - For more than 35 years, SCK†CEN has been investigating the possibility of high-level radioactive waste disposal in the Boom Clay in northeastern Belgium. This research, defined in the long-term management programme for high and medium long-lived waste of ONDRAF/NIRAS, includes the regional hydrogeological modelling of the aquifer systems surrounding the Boom Clay. In this paper, the most recent update of the Deep Aquifer Pumping model (DAP) is described, which is capable of quantifying the regional groundwater flow in the complex confined aquifers lying below the Boom Clay in NE Belgium. The DAP model was successfully calibrated using an automated inverse optimization algorithm and is able to reproduce satisfactorily the general trends in the observed groundwater heads. This model can be used as a tool for planning future characterization efforts and reducing the predictive model uncertainty.

KW - regional modelling

KW - confined aquifers

KW - Campine area

KW - calibration

KW - sensitivity analysis

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_137091

UR - http://knowledgecentre.sckcen.be/so2/bibref/11860

U2 - 10.1144/SP400.22

DO - 10.1144/SP400.22

M3 - Article

VL - 400

SP - 163

EP - 177

JO - Journal of the Geological Society

JF - Journal of the Geological Society

T2 - Clays in Natural and Engineered Barriers for Radioactive Waste Confinement

Y2 - 22 October 2012 through 25 October 2012

ER -