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Publications - Latest

Automated Transient Electromagnetic Data Processing for Ground-Based and Airborne Systems by a Deep Learning Expert System,
Asif, M. R., P. K. Maurya, N. Foged, J. J. Larsen, E. Auken, and A. V. Christiansen.IEEE Transactions on Geoscience and Remote Sensing, 60, 1-14, 2022.

A neural network-based hybrid framework for least-squares inversion of transient electromagnetic data,
Asif, M. R., T. S. Bording, P. K. Maurya, B. Zhang, G. Fiandaca, D. J. Grombacher, A. V. Christiansen, E. Auken, and J. J. Larsen.IEEE Transactions on Geoscience and Remote Sensing, 60, 1-10, 2022.

Integrating neural networks in least-squares inversion of airborne time-domain electromagnetic data,
Asif, M. R., N. Foged, P. K. Maurya, D. J. Grombacher, A. V. Christiansen, E. Auken, and J. J. Larsen.Geophysics, 87, 4, E177–E187, 2022.

Resolution attributes for AEM inversion models. A conceptual analysis and novel measures.,
Christensen, N. B.Near Surface Geophysics, 20, 12, 2022.

Joint inversion of airborne TEM data and surface galvanic data. The Egebjerg case.,
Christensen, N. B.Journal of Applied Geophysics, 196, 3, 10, 2022.

Accelerated 2.5-D inversion of airborne transient electromagnetic data using reduced 3-D meshing ,
Engebretsen, K. W., B. Zhang, G. Fiandaca, L. M. Madsen, E. Auken, and A. V. Christiansen.Geophysical Journal International 230, 1, 643-653, 2022.

Non-destructive 3D prospection at the Viking Age fortress Borgring, Denmark ,
Kristiansen, S. M., D. Stott, A. V. Christiansen, P. S. Henriksen, C. Jessen, M. F. Mortensen, J. B. Pedersen, S. M. Sindbæk, and J. Ulriksen.Journal of Archaeological Science: Reports, 42, 2022.

Quantifying Reagent Spreading by Cross-Borehole Electrical Tomography to Assess Performance of Groundwater Remediation,
Lévy, L., R. Thalund-Hansen, T. S. Bording, G. Fiandaca, A. V. Christiansen, K. Rügge, N. Tuxen, M. Hag, and P. L. Bjerg.Water Resources Research, 58, 23, 2022.

Comparison of ground-based and airborne transient electromagnetic methods for mapping glacial and permafrost environments: Cases from McMurdo Dry Valleys, Antarctica,
Madsen, L. M., T. S. Bording, D. Grombacher, N. Foged, N. Foley, H. A. Dugan, P. T. Doran, J. f. Mikucki, S. Tulaczyk, and E. Auken.Cold Regions Science and Technology, 199, 2022.

Efficient imaging of hydrological units below lakes and fjords with a floating, transient electromagnetic (FloaTEM) system,
Maurya, P. K., F. E. Christensen, M. A. Kass, J. B. Pedersen, R. R. Frederiksen, N. Foged, A. V. Christiansen, and E. Auken.Hydrology and Earth System Sciences, 26, 11, 2813-2827, 2022.

Technical note: Efficient imaging of hydrological units below lakes and fjords with a floating, transient electromagnetic (FloaTEM) system,
Maurya, P. K., F. E. Christensen, M. A. Kass, J. B. Pedersen, R. R. Frederiksen, N. Foged, A. V. Christiansen, and E. Auken.Hydrology and Earth System Sciences, 26, 11, 2813-2827, 2022.

Automatic stochastic 3D clay fraction model from tTEM survey and borehole data,
Neven, A., A. V. Christiansen, and P. Renard.Nature/Scientific Reports, 12:17112, 15, 2022.

Three-dimensional time lapse inversion of transient electromagnetic data, with application at an Icelandic geothermal site,
Xiao, L., G. Fiandaca, P. K. Maurya, A. V. Christiansen, and L. Lévy.Geophysical Journal International, 231, 1, 584–596, 2022.

Fast 2.5 D and 3D inversion of transient electromagnetic surveys using the octree-based finite-element method,
Xiao, L., G. Fiandaca, B. Zhang, E. Auken, and A. V. Christiansen.Geophysics, 87, 4, E267-E277, 2022.

Machine learning based fast forward modelling of ground-based time-domain electromagnetic data,
Bording, T. S., M. R. Asif, A. S. Barfod, J. J. Larsen, B. Zhang, D. J. Grombacher, A. V. Christiansen, K. W. Engebretsen, J. B. Pedersen, P. K. Maurya, and E. Auken.Journal of Applied Geophysics, 2021, 187, 9, 2021.

Cross-borehole geoelectrical time-lapse monitoring of in situ chemical  oxidation and permeability estimation through induced polarization,
Bording, T., A. K. Kühl, G. Fiandaca, J. F. Christensen, A. V. Christiansen, and E. Auken.Near Surface Geophysics, 2021, 19, 43-58, 2021.

Using geophysical survey results in the inference of aquifer vulnerability measures,
Christensen, N. B., and A. V. Christiansen.Near Surface Geophysics, 2021, 19, 15, 2021.

Rapid Mapping of Hydrological Systems in Tanzania Using a Towed Transient Electromagnetic System,
Grombacher, D., P. K. Maurya, J. C. Lind, J. Lane, and E. Auken.Groundwater, 12, 2021.

Assessment of complex subsurface redox structures for sustainable development of agriculture and the environment,
Hansen, B. G., D. D. Voutchkova, P. B. E. Sandersen, A. Kallesøe, L. Thorling, I. Møller, R. B. Madsen, R. Jakobsen, J. Aamand, P. K. Maurya, and H. Kim.Environmental Research Letters, 2021, 16, 14, 2021.

A towed magnetic gradiometer array for rapid, detailed imaging of utility, geological, and archaeological targets,
Kass, M. A., E. Auken, J. J. Larsen, and A. V. Christiansen.Geoscientific Instrumentation, Methods and Data Systems, 10, 2, 313-323, 2021.

A 3D hydrogeochemistry model of nitrate transport and fate in a glacial sediment catchment: A first step toward a numerical model,
Kim, H., P. B. E. Sandersen, R. Jakobsen, A. J. Kallesøe, N. Claes, G. Blicher-Mathiesen, N. Foged, J. Aamand, and B. Hansen.Science of The Total Environment, 776, 146041, 2021.

Suppression of very low frequency radio noise in transient electromagnetic data with semi-tapered gates,
Larsen, J. J., S. S. Pedersen, N. Foged, and E. Auken.Geoscientific Instrumentation Methods and Data Systems, 2021, 10, 81-90, 2021.

3D Multiple-Point Geostatistical Simulation of Joint Subsurface Redox and Geological Architectures.,
Madsen, R. B., H. Kim, A. J. Kallesøe, P. B. E. Sandersen, T. N. Vilhelmsen, T. M. Hansen, A. V. Christiansen, I. Møller, and B. Hansen.Hydrology and Earth System Sciences, 25, 5, 2759–2787, 2021.

Thermal legacy of a large paleolake in Taylor Valley, East Antarctica, as evidenced by an airborne electromagnetic survey,
Myers, K. F., P. T. Doran, S. M. Tulaczyk, N. T. Foley, T. S. Bording, E. Auken, H. A. Dugan, J. A. Mikucki, N. Foged, D. Grombacher, and R. A. Virginia.Cryosphere, 15, 3577-3593, 2021.

tTEM20AAR: A benchmark geophysical data set for unconsolidated fluvioglacial sediments,
Neven, A., P. K. Maurya, A. V. Christiansen, and P. Renard.Earth System Science Data, 13, 6, 2743-2752, 2021.

Utilizing the towed Transient ElectroMagnetic method (tTEM) for achieving unprecedented near-surface detail in geological mapping,
Sandersen, P. B. E., A. J. Kallesøe, I. Møller, A.-S. Høyer, F. Jørgensen, J. B. Pedersen, and A. V. Christiansen.Engineering Geology, 288, 11, 2021.

Sampling density and spatial analysis: a methodological pXRF study of the geochemistry of a Viking-Age house in Ribe, Denmark,
Trant, P. L. K., S. M. Kristiansen, A. V. Christiansen, B. Wouters, and S. M. Sindbæk.Archaeological and Anthropological Sciences, 13, 21, 17, 2021.