Publication: Research - peer-review › Article in proceedings – Annual report year: 2009
Magnetic Resonance Sounding (MRS) can provide valuable data to constrain and calibrate groundwater flow and transport models. With this non-invasive geophysical technique, field measurements of water content and hydraulic conductivities 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 pump test with a partially and 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, when the instrument is positioned on top of the extraction well, were small compared to the electromagnetic noise. This could especially limit the applicability of the MRS technique to pump tests in which a partially penetrating pumping well is used, because the limited drawdown around the extraction well causes smaller changes in received signal compared to a fully penetrating well.
|Title of host publication||CALIBRATION AND RELIABILITY IN GROUNDWATER MODELING : MANAGING GROUNDWATER AND THE ENVIRONMENT|
|Publisher||China University of Geosciences Press|
|State||Published - 2009|
|Event||7th International Conference on Calibration and Reliability in Groundwater Modeling - Wuhan, China|
|Conference||7th International Conference on Calibration and Reliability in Groundwater Modeling|
|Period||20/09/2009 → 23/09/2009|