Articles | Volume 21, issue 2
Hydrol. Earth Syst. Sci., 21, 1321–1337, 2017
https://doi.org/10.5194/hess-21-1321-2017
Hydrol. Earth Syst. Sci., 21, 1321–1337, 2017
https://doi.org/10.5194/hess-21-1321-2017

Research article 02 Mar 2017

Research article | 02 Mar 2017

Voxel inversion of airborne electromagnetic data for improved groundwater model construction and prediction accuracy

Nikolaj Kruse Christensen et al.

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Cited articles

Abraham, J. D., Cannia, J. C., Bedrosian, P. A., Johnson, M. R., Ball, L. B., and Sibray, S. S.: Airborne Electromagnetic Mapping of the Base of Aquifer in Areas of Western Nebraska, US Geol. Surv. Sci. Investig. Rep. 2011–5219, available at: http://pubs.usgs.gov/sir/2011/5219/ (last access: 4 January 2016), 2012.
Archie, G. E.: The Electrical Resistivity Log as an Aid in Determining Some Reservoir Characteristics, Trans AIME, 146, 54–62, https://doi.org/10.2118/942054-G, 1942.
Auken, E., Christiansen, A. V., Jacobsen, L. H., and Sørensen, K. I.: A resolution study of buried valleys using laterally constrained inversion of TEM data, J. Appl. Geophys., 65, 10–20, 2008.
Auken, E. and Christiansen, A. V.: Layered and laterally constrained 2D inversion of resistivity data, Geophysics, 69, 752–761, https://doi.org/10.1190/1.1759461, 2004.
Auken, E., Christiansen, A. V., Westergaard, H. J., Kirkegaard, C., Foged, N., and Viezzoli, A.: An integrated processing scheme for high-resolution airborne electromagnetic surveys, the SkyTEM system, Explor Geophys., 40, 184–192, https://doi.org/10.1071/EG08128, 2009.
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This study presents a new method for coupling a 3-D geophysical model with a 3-D groundwater model for improved groundwater model construction and prediction accuracy. The hydrological data consist of 35 hydraulic head measurements and one river discharge measurement, while the geophysical data set consists of 6300 measurement positions. The results demonstrate that the geophysical inversion strategy significantly affects the construction and prediction capability of the groundwater model.