Monitoring of aquifer pump tests with Magnetic Resonance Sounding (MRS): a synthetic case study

Daan Herckenrath, E. Auken, Peter Bauer-Gottwein

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Magnetic Resonance Sounding (MRS) can provide valuable data to constrain and calibrate groundwater flow and transport models. With this non-invasive geophysical technique, measurements of water content and hydraulic conductivity can be obtained. We developed a hydrogeophyiscal forward method, which calculates the MRS-signal generated by an aquifer pump test. A synthetic MRS-dataset was subsequently used to determine the hydrogeological parameters in an inverse parameter estimation approach. This was done for a virtual pump test with a partially and a fully penetrating well. With the MRS data we were able to retrieve the hydrogeological parameters of the aquifer. However, the differences in MRS signal in time were small compared to the electromagnetic noise. This limits the applicability of the MRS technique for pump tests in which a partially penetrating pumping well is used, as the limited drawdown around the extraction well causes smaller changes in received signal.
Original languageEnglish
Title of host publicationCalibration And Reliability In Groundwater Modelling: Managing Groundwater And The Environment
Volume341
PublisherIAHS Press
Publication date2011
Pages267-272
ISBN (Print)9781907161155
Publication statusPublished - 2011
Event7th International Conference on Calibration and Reliability in Groundwater Modeling - Wuhan, China
Duration: 20 Sep 200923 Sep 2009
Conference number: 7

Conference

Conference7th International Conference on Calibration and Reliability in Groundwater Modeling
Number7
CountryChina
CityWuhan
Period20/09/200923/09/2009
SeriesIAHS Publications Series (Red Books)
Volume341
ISSN0144-7815

Cite this

Herckenrath, D., Auken, E., & Bauer-Gottwein, P. (2011). Monitoring of aquifer pump tests with Magnetic Resonance Sounding (MRS): a synthetic case study. In Calibration And Reliability In Groundwater Modelling: Managing Groundwater And The Environment (Vol. 341, pp. 267-272). IAHS Press. IAHS Publications Series (Red Books), Vol.. 341
Herckenrath, Daan ; Auken, E. ; Bauer-Gottwein, Peter. / Monitoring of aquifer pump tests with Magnetic Resonance Sounding (MRS): a synthetic case study. Calibration And Reliability In Groundwater Modelling: Managing Groundwater And The Environment. Vol. 341 IAHS Press, 2011. pp. 267-272 (IAHS Publications Series (Red Books), Vol. 341).
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Herckenrath, D, Auken, E & Bauer-Gottwein, P 2011, Monitoring of aquifer pump tests with Magnetic Resonance Sounding (MRS): a synthetic case study. in Calibration And Reliability In Groundwater Modelling: Managing Groundwater And The Environment. vol. 341, IAHS Press, IAHS Publications Series (Red Books), vol. 341, pp. 267-272, 7th International Conference on Calibration and Reliability in Groundwater Modeling, Wuhan, China, 20/09/2009.

Monitoring of aquifer pump tests with Magnetic Resonance Sounding (MRS): a synthetic case study. / Herckenrath, Daan; Auken, E.; Bauer-Gottwein, Peter.

Calibration And Reliability In Groundwater Modelling: Managing Groundwater And The Environment. Vol. 341 IAHS Press, 2011. p. 267-272 (IAHS Publications Series (Red Books), Vol. 341).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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AB - Magnetic Resonance Sounding (MRS) can provide valuable data to constrain and calibrate groundwater flow and transport models. With this non-invasive geophysical technique, measurements of water content and hydraulic conductivity can be obtained. We developed a hydrogeophyiscal forward method, which calculates the MRS-signal generated by an aquifer pump test. A synthetic MRS-dataset was subsequently used to determine the hydrogeological parameters in an inverse parameter estimation approach. This was done for a virtual pump test with a partially and a fully penetrating well. With the MRS data we were able to retrieve the hydrogeological parameters of the aquifer. However, the differences in MRS signal in time were small compared to the electromagnetic noise. This limits the applicability of the MRS technique for pump tests in which a partially penetrating pumping well is used, as the limited drawdown around the extraction well causes smaller changes in received signal.

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Herckenrath D, Auken E, Bauer-Gottwein P. Monitoring of aquifer pump tests with Magnetic Resonance Sounding (MRS): a synthetic case study. In Calibration And Reliability In Groundwater Modelling: Managing Groundwater And The Environment. Vol. 341. IAHS Press. 2011. p. 267-272. (IAHS Publications Series (Red Books), Vol. 341).