Almpanis, A, McLachlan, P, Grombacher, D & Christiansen, AV 2026, '
Synthetic evaluation of two semi-airborne transient electromagnetic (TEM) systems utilizing inductive and galvanic sources in hydrogeological settings',
Geophysical Journal International, vol. 244, no. 2, ggaf467.
https://doi.org/10.1093/gji/ggaf467
Gaikwad, NB, Liu, L, Griffiths, MP, Grombacher, D & Larsen, JJ 2025, '
A high-duty-cycle transmitter unit for steady-state surface NMR instruments',
Geoscientific Instrumentation, Methods and Data Systems, vol. 14, no. 2, pp. 139-151.
https://doi.org/10.5194/gi-14-139-2025
Vang, M, Larsen, JJ, Christiansen, AV & Grombacher, D 2025, '
Alleviating interpretational ambiguity in hydrogeology through clustering-based analysis of transient electromagnetic and surface nuclear magnetic resonance data',
Hydrology and Earth System Sciences, vol. 29, no. 20, pp. 5315-5329.
https://doi.org/10.5194/hess-29-5315-2025
Liu, L, Domenzain Gonzalez, D
, Vela, I, Maurya, PK, Kühl, AK, Bording, T, Ejlskov, P
, Auken, E, Larsen, JJ & Christiansen, AV 2025, '
An efficient cross-borehole direct current resistivity monitoring instrument',
Geophysics, vol. 90, no. 2, pp. D61-D70.
https://doi.org/10.1190/geo2023-0518.1
Asif, MR, Kass, MA, Herpe, M, Rawlinson, Z, Westerhoff, R
, Larsen, JJ & Christiansen, AV 2025, '
Comparative analysis of deep learning and traditional airborne electromagnetic data processing: A case study',
Geophysics, vol. 90, no. 3, pp. WA103-WA112.
https://doi.org/10.1190/geo2024-0282.1
He, S, He, Z, Hu, X, Finn, C
, Liu, L, Auken, E & Cai, H 2025, '
Effective Inversion of Yellowstone Airborne TEM Data Using Deep Learning',
Journal of Geophysical Research: Solid Earth, vol. 130, no. 5, e2024JB029855.
https://doi.org/10.1029/2024JB029855
Vang, MØ, Grombacher, D, Larsen, JJ & Wilson, S 2025, '
Efficient mapping of complex groundwater systems associated with braided rivers using small coil surface nuclear magnetic resonance',
Geophysics, vol. 90, no. 3, pp. 1-12.
https://doi.org/10.1190/geo2023-0765.1
Xian, J, He, Z, Hu, X, Liu, L
, Auken, E, Revil, A & Cai, H 2025, '
Groundwater Mapping and Modeling Using Towed Transient Electromagnetic Data Based on Deep Learning',
IEEE Transactions on Geoscience and Remote Sensing, vol. 63, 5900812.
https://doi.org/10.1109/TGRS.2024.3509526Mashhadi, SR, Keating, K
, Jes Petersen, R, Parra, AO, Costabel, S, Beisembina, G, Hiller, T
& Grombacher, D 2025, '
Hydraulic conductivity estimation by NMR data in unconsolidated geological materials: insights from SDR model calibrations',
Journal of Hydrology, vol. 662, 134060.
https://doi.org/10.1016/j.jhydrol.2025.134060
Mashhadi, SR, Keating, K, Müller-Petke, M, Hiller, T, Costabel, S, Parra, AO
& Grombacher, D 2025, '
Longitudinal to transverse relaxation time ratio (T1/T2) in unconsolidated geological materials: a perspective from 2-D borehole and laboratory NMR measurements',
Geophysical Journal International, vol. 242, no. 1, ggaf154.
https://doi.org/10.1093/gji/ggaf154
McLachlan, P, Vang, M, Pedersen, JB, Kraghede, R & Christiansen, AV 2025, '
Mapping the Hydrogeological Structure of a Small Danish Island Using Transient Electromagnetic Methods',
Groundwater, vol. 63, no. 2, pp. 280-290.
https://doi.org/10.1111/gwat.13452
Pasquet, S, Holbrook, WS, Carr, BJ, Terry, N, Briggs, MA, Finn, CA, Bedrosian, PA
, Auken, E, Pedersen, J, Maurya, P & Sims, KWW 2025, '
Multi-Scale Geophysical Imaging of a Hydrothermal System in Yellowstone National Park, USA',
Journal of Geophysical Research: Solid Earth, vol. 130, no. 4, e2024JB029839.
https://doi.org/10.1029/2024JB029839Böttner, C, Jakobsen, FW, Nielsen, T, Winsborrow, M, Polteau, S, Mazzini, A, Planke, S
, Andresen, KJ, Millinge, OJS
, Asif, MR, Laberg, JS, Hopper, J, Myklebust, R
& Seidenkrantz, MS 2025, '
Natural hydrocarbon seepage at the Northeast Greenland continental shelf',
Communications Earth and Environment, vol. 6, no. 1, 879.
https://doi.org/10.1038/s43247-025-02932-8
Grombacher, D, Pedersen, J, Wemegah, D
, Kragehede, R, McLachlan, P & Maurya, P 2025, '
Rapid groundwater assessments in gneissic settings using transient electromagnetics - Examples from Togo',
Geophysics, vol. 90, no. 2, pp. B101-B113.
https://doi.org/10.1190/geo2024-0095.1
Kidmose, J, Jessen, S, Sandersen, PBE, Nilsson, B, Koch, J, Thorling, L
, Pedersen, JB, Christiansen, AV & Møller, I 2025, '
Remote sensing of preferential groundwater discharge with high-resolution geophysical measurements of FloaTEM and tTEM compared with lake surface temperature anomalies',
Journal of Hydrology, vol. 652, 132523.
https://doi.org/10.1016/j.jhydrol.2024.132523Zamora-Luria, JC, Grombacher, D, Maurya, PK
& Christiansen, AV 2025, '
Stability requirements for long-term monitoring studies based on TEM',
IEEE Transactions on Instrumentation and Measurement, vol. 74, 1009509.
https://doi.org/10.1109/TIM.2025.3565050
Zuo, B, Hu, X, Wang, L, Cai, Y
& Kass, MA 2025, '
Three-Dimensional Unstructured Magnetization Vector Inversion and Modeling of Planetary Equivalent Toroidal Currents for Earth’s Magnetic Field Analysis',
Journal of Geophysical Research: Solid Earth, vol. 130, no. 1, e2024JB029224.
https://doi.org/10.1029/2024JB029224Grombacher, D, Griffiths, MP, Kass, MA & Larsen, JJ 2024, '
An investigation of factors affecting the depths of steady-state surface nuclear magnetic resonance signals',
Geophysics, vol. 89, no. 2, pp. J9-J17.
https://doi.org/10.1190/geo2023-0068.1
Li, J, Smith, R, Grote, K
& Pedersen, JB 2024, '
Aquifer characterization using towed time-domain electromagnetics in a variably saturated, data-sparse region',
Journal of Applied Geophysics, vol. 228, 105440.
https://doi.org/10.1016/j.jappgeo.2024.105440Hansen, B, Aamand, J
, Blicher-Mathiesen, G, Christiansen, AV, Claes, N, Dalgaard, T, Frederiksen, RR, Jacobsen, BH, Jakobsen, R
, Kallesøe, A, Kim, H, Koch, J, Møller, I, Madsen, RB
, Schaper, S, Sandersen, PBE, Voutchkova, DD & Wiborg, I 2024, '
Assessing groundwater denitrification spatially is the key to targeted agricultural nitrogen regulation',
Scientific Reports, vol. 14, no. 1, 5538.
https://doi.org/10.1038/s41598-024-55984-9Reza Mashhadi, S, Grombacher, D, Zak, D, Lærke, PE, Estrup Andersen, H, Christian Hoffmann, C & Jes Petersen, R 2024, '
Borehole nuclear magnetic resonance as a promising 3D mapping tool in peatland studies',
Geoderma, vol. 443, 116814.
https://doi.org/10.1016/j.geoderma.2024.116814
Reza Mashhadi, S, Grombacher, D, Zak, D, Erik Lærke, P, Estrup Andersen, H, Christian Hoffmann, C & Jes Petersen, R 2024, '
Corrigendum to “Borehole nuclear magnetic resonance as a promising 3D mapping tool in peatland studies” (Geoderma (2024) 443, (S0016706124000430), (10.1016/j.geoderma.2024.116814))',
Geoderma, vol. 448, 116923.
https://doi.org/10.1016/j.geoderma.2024.116923
Lorentzen, TH, Kass, MA, Scheer, J, Tomaškovičová, S
, Christiansen, AV, Maury, PK & Ingeman-Nielsen, T 2024, '
Exploring the challenges of interpreting near-surface towed TEM data on saline permafrost',
Geophysics, vol. 89, no. 3.
https://doi.org/10.1190/geo2023-0221.1
Larsen, JJ, Kass, MA, Grombacher, D & Griffiths, MP 2024, '
Feasibility of Surface Nuclear Magnetic Resonance With Absurdly Long Excitation Pulses',
Geophysical Research Letters, vol. 51, no. 20, e2024GL110826.
https://doi.org/10.1029/2024GL110826
Griffiths, MP, Grombacher, D, Mashhadi, SR & Larsen, JJ 2024, '
Ground-Truth Validation of T2 Estimates From Steady-State Surface NMR',
Geophysical Research Letters, vol. 51, no. 24, e2024GL112094.
https://doi.org/10.1029/2024GL112094
Frederiksen, RR, Blicher-Mathiesen, G, Vilhelmsen, TN & Christiansen, AV 2024, '
Importance of different factors for modeling nitrate transport and retention in a tile-drained agricultural catchment with distance-based generalized sensitivity analysis',
Science of the Total Environment, vol. 912, 169614.
https://doi.org/10.1016/j.scitotenv.2023.169614
Cai, H, Kong, R, He, Z, Wang, X, Liu, S, Huang, S
, Kass, MA & Hu, X 2024, '
Joint inversion of potential field data with adaptive unstructured tetrahedral mesh',
Geophysics, vol. 89, no. 3, pp. G45-G63.
https://doi.org/10.1190/geo2023-0280.1Lévy, L, Bording, TS, Fiandaca, G, Christiansen, AV, Madsen, LM, Bennedsen, LF, Jørgensen, TH, MacKinnon, L & Christensen, JF 2024, '
Managing the remediation strategy of contaminated megasites using field-scale calibration of geo-electrical imaging with chemical monitoring',
Science of the Total Environment, vol. 920, 171013.
https://doi.org/10.1016/j.scitotenv.2024.171013
Grombacher, D, Griffiths, MP, Vang, MØ, Kass, MA & Larsen, JJ 2024, '
Observation of spikelets in steady-state surface nuclear magnetic resonance data',
Geophysics, vol. 89, no. 2, pp. J1-J8.
https://doi.org/10.1190/GEO2023-0145.1
Naveed, K, Madsen, LM, Grombacher, D & Larsen, JJ 2024, '
Processing Time-domain Induced Polarization Data Using Variational Mode Decomposition',
IEEE Transactions on Geoscience and Remote Sensing, vol. 62, 5905713, pp. 1-13.
https://doi.org/10.1109/TGRS.2024.3362290
Adetsu, DV, Koganti, T, Petersen, RJ, Pedersen, JB, Zak, D, Greve, MH & Beucher, A 2024, '
Sensor-based peat thickness mapping of a cultivated bog in Denmark',
Geoderma, vol. 452, 117091.
https://doi.org/10.1016/j.geoderma.2024.117091
Vinciguerra, A, Aleardi, M
, Madsen, LM, Bording, TS
, Christiansen, AV & Stucchi, E 2024, '
Stochastic inversion of time-lapse electrical resistivity tomography data by means of an adaptive ensemble-based approach',
Geophysical Prospecting, vol. 72, no. 1, pp. 268-284.
https://doi.org/10.1111/1365-2478.13464Domenzain, D, Liu, L, Yélamos Vela, I & Christiansen, AV 2023, '
3D DC inversion, visualization, and processing of dense time-lapse data in fine domains applied to remediation monitoring',
Geophysics, vol. 88, no. 5, pp. E147-E158.
https://doi.org/10.1190/geo2023-0093.1
Xiao, L, Fiandaca, G, Maurya, PK & Christiansen, AV 2023, '
3D inversion of an integrated ground-based and waterborne TEM survey',
Geophysics, vol. 88, no. 5.
https://doi.org/10.1190/geo2022-0318.1
Zamora-Luria, JC, McLachlan, P, Maurya, PK, Liu, L, Grombacher, D & Christiansen, AV 2023, '
A feasibility study on time-lapse transient electromagnetic for monitoring groundwater dynamics',
Geophysics, vol. 88, no. 5.
https://doi.org/10.1190/geo2022-0532.1
Reeves, RR
, Pedersen, JB, Brakenrig, T
, Maurya, PK, McGovern, L, Moorhead, B & Cedar, A 2023, '
Application of towed TEM to geothermal areas of New Zealand',
Geothermics, vol. 114, 102800.
https://doi.org/10.1016/j.geothermics.2023.102800Thalund-Hansen, R, Troldborg, M
, Levy, L, Christiansen, AV, Bording, TS & Bjerg, PL 2023, '
Assessing Contaminant Mass Discharge Uncertainty With Application of Hydraulic Conductivities Derived From Geoelectrical Cross-Borehole Induced Polarization and Other Methods',
Water Resources Research, vol. 59, no. 8, e2022WR034360.
https://doi.org/10.1029/2022WR034360Griffiths, MP, Grombacher, D, Kass, MA, Vang, M, Liu, L & Larsen, JJ 2023, '
A surface NMR forward in a dot product',
Geophysical Journal International, vol. 234, no. 3, pp. 2284-2290.
https://doi.org/10.1093/gji/ggad203
Gutterman, WS, Doran, PT, Virginia, RA, Barrett, JE, Myers, KF, Tulaczyk, SM, Foley, NT, Mikucki, JA, Dugan, HA
, Grombacher, DJ, Bording, TS & Auken, E 2023, '
Causes and Characteristics of Electrical Resistivity Variability in Shallow (<4 m) Soils in Taylor Valley, East Antarctica',
Journal of Geophysical Research: Earth Surface, vol. 128, no. 2, e2022JF006696.
https://doi.org/10.1029/2022JF006696Maurya, PK, Foged, N, Madsen, LM & Christiansen, AV 2023, '
Comparison of towed electromagnetic with airborne electromagnetic and electrical resistivity tomography in a hydrogeophysical context',
Geophysical Journal International, vol. 235, no. 1, pp. 817-830.
https://doi.org/10.1093/gji/ggad276
Asif, MR, Foged, N, Bording, TS, Larsen, JJ & Christiansen, AV 2023, '
DL-RMD: a geophysically constrained electromagnetic resistivity model database for deep learning applications',
Earth System Science Data, vol. 15, no. 3, pp. 1389-1401.
https://doi.org/10.5194/essd-2022-345,
https://doi.org/10.5194/essd-15-1389-2023
McLachlan, P, Christiensen, NB, Grombacher, D & Christiansen, AV 2023, '
Evaluating the impact of correlated noise for time-lapse transient electromagnetic (TEM) monitoring studies',
Near Surface Geophysics, vol. 21, no. 5, pp. 333-342.
https://doi.org/10.1002/nsg.12262
Mahmood, H, Frederiksen, RR, Duque, C
& Christiansen, AV 2023, '
Importance of small geological features for simulated spatial patterns in tile drain flow in Fensholt catchment of Denmark',
Journal of Hydrology: Regional Studies, vol. 50, 101599.
https://doi.org/10.1016/j.ejrh.2023.101599
Christiansen, AV, Frederiksen, RR, Vilhelmsen, TN, Christensen, S, Maurya, PK, Hansen, B, Kim, H, Høyer, AS, Aamand, J, Jakobsen, R
, Børgesen, CD, Jacobsen, BH
& Auken, E 2023, '
N-Map: High-resolution groundwater N-retention mapping and modelling by integration of geophysical, geological, geochemical, and hydrological data',
Journal of Environmental Management, vol. 343, 118126.
https://doi.org/10.1016/j.jenvman.2023.118126
