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Department of Geoscience

Publications from Department of Geoscience

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Christensen, N. B. (2022). Pivotal moments: Seven scenes from a geophysics adventure: Scenes 5 & 6. Preview, (220), 30-32. https://doi.org/10.1080/14432471.2022.2127688

Christensen, N. B. (2022). Pivotal moments: Seven scenes from a geophysics adventure: Scene 7. Preview, (221), 34-37. https://doi.org/10.1080/14432471.2022.2149180

Christensen, S. (2024). Documentation of Edcrop – version 1: A Python package to simulate field-scale evapotranspiration and drainage from crop, wetland, or forest . AU Library Scholarly Publishing Services. https://doi.org/10.7146/aul.539

Christensen, N. B. & Jacobsen, B. H. (2025). A fast hybrid 1D inversion approach for ground conductivity data. Near Surface Geophysics, 23(1), 30-48. https://doi.org/10.1002/nsg.12327

Christensen, N. B., Christiansen, A. V. & Christensen, N. K. (2024). Mere sikre valg af nedsivningsområder. Vand & Jord, 31. årgang(December 2024), 144-149.

Christiansen, A. V. (2001). Rapport til Ringkjøbing Amt om tolkning af flybårne TEM data fra Ringkjøbing Amt.

Christiansen, A. V. (2001). Short note on the inversion of airborne TEM data from Albuquerque, New Mexico.

Christiansen, A. V. & Christensen, N. B. (2001). En sammenligning af flybåren og jordbaseret TEM. (pp. 471-480).

Christiansen, A. V. & Christensen, N. B. (2001). Quantitative interpretation and analysis of airborne transient electromagnetic data in Denmark. (pp. 0-0).

Christiansen, A. V., Auken, E., Sørensen, K. I. & Smith, J. T. (2002). 2-D Laterally Constrained inversion (LCI) of resistivity data. (pp. 0-0).

Christiansen, A. V., Auken, E., Sørensen, K. I. & Smith, T. (2002). 2-D Laterally Constrained Inversion (LCI) of resistivity data. (pp. 0-0).

Christiansen, A. V. & Christensen, N. B. (2002). A quantitative appraisal of airborne and ground-based transient electromagnetic (TEM) measurements in Denmark. Geophysics (online), 0-0.

Christiansen, A. V. & Christensen, N. B. (2002). Application and analysis of airborne transient electromagnetic methods in Denmark - The role of On-time data. (pp. 0-0).

Christiansen, A. V. & Christensen, N. B. (2003). A quantitative appraisal of airborne and ground-based transient electromagnetic (TEM) measurements in Denmark. Geophysics, 68, 523-534.

Christiansen, A. V. (2004). Integreret analyse af geofysiske data - morgendagens geofysik. Geologisk Tidskrift, 2004-2, 0-0.

Christiansen, A. V. & Auken, E. (2004). Optimizing a layered and laterally constrained 2D inversion of resistivity data using Broyden's update and 1D derivatives. Journal of Applied Geophysics, 56, 247-261.

Christiansen, A. V., Foged, N., Auken, E. & Sørensen, K. I. (2004). Integrated Inversion of CVES and TEM Data Using Lateral Constraints. (pp. 0-0). EAGE-NS.

Christiansen, A. V., Auken, E. & Jacobsen, L. (2005). Laterally Constrained 1D-Inversion of 3D TEM Data. In Proceedings of SAGEEP 2005, Atlanta, EEGS

Christiansen, A. V., Auken, E., Sørensen, K. I., Jørgensen, F. & Johnsen, R. (2005). GeoStatistical Estimation of Structural Vulnerability. Abstract from 11th meeting of Environmental and Engineering Geophysics, EAGE, Near Surface division, Palermo, Italy.

Christiansen, A. V., Auken, E., Sørensen, K. I., Jørgensen, F. & Johnsen, R. (2005). From resistivity to geophysical clay thickness: Workshop. Hydrogeophysics - A tool for sustainable use of groundwater ressources. Abstract from 11th meeting of environmental and engineering geophysics, EAGE, Near Surface division, Palermo, Italy.

Christiansen, A. V., Auken, E. & Jørgensen, F. (2005). Fysisk lertykkelse estimeret ved brug af geostatistiske metoder - præsentation af konceptet og en kortlægning. In ATV - Jord og grundvand (pp. 1-7)

Christiansen, A. V., Auken, E. & Sørensen, K. I. (2005). GeoStatistical Estimation of Structural Vulnerability - Modellen. Abstract from GFS, Aarhus Universitet, ERFA, geofysik, Denmark.

Christiansen, A. V., Auken, E. & Sørensen, K. I. (2005). GeoStatistical Estimation of Structural Vulnerability - SSV oversigt. Abstract from GFS, Aarhus Universitet, ERFA, geofysik.

Christiansen, A. V., Auken, E. & Sørensen, K. I. (2007). From resistivity to clay thickness - An inversion approach. In Ikke angivet EEGS.

Christiansen, A. V., Auken, E. & Sørensen, K. I. (2006). Geofysisk tolkning af SkyTEM målinger ved Give med anvendelse af nyudviklet tolkningsmetode til fladedækkende data. Geofysisk afdeling, Geologisk Institut, Aarhus Universitet.

Christiansen, A. V. & Westergaard, J. (2006). Geofysisk tolkning af SkyTEM målinger ved Stevnstrup med anvendelse af nyudviklet tolkningsmetode til fladedækkende data. Geologisk Institut, Aarhus Universitet.

Christiansen, A. V., Auken, E., Sørensen, K. I. & Foged, N. (2006). Spatially Constrained Inversion of Area Covering Datasets. In Ikke angivet EAGE Near Surface Division.

Christiansen, A. V., Auken, E. & Sørensen, K. I. (2006). The transient electromagnetic method. In Groundwater Geophysics. A tool for hydrogeology (pp. 179-224)

Christiansen, A. V., Auken, E. & Sørensen, K. I. (2008). Preserving horizontality using topography-corrected laterally constrained inversion. Abstract from EAGE Near Surface, istanbul, Turkey.

Christiansen, A. V., Viezzoli, A., Auken, E. & Sørensen, K. I. (2008). Delaunay triangulation-based Spatially Constrained Inversion for quasi 3D modelling of airborne TEM data. Abstract from EAGE Near Surface, Istanbul, Turkey.

Christiansen, A. V., Auken, E., Foged, N. & Sørensen, K. I. (2007). Mutually and laterally constrained inversion of CVES and TEM data: a case study. Near Surface Geophysics, 115-123.

Christiansen, A. V. & Auken, E. (2008). Presenting a free, highly flexible inversion code. In SEG, Las Vegas 2008

Christiansen, A. V. & Auken, E. (2010). A global measure for depth of investigation in EM and DC modeling. In A global measure for depth of investigation in EM and DC modeling ASEG.

Christiansen, A. V. & Auken, E. (2010). A global measure for depth of investigation. In A Global Measure for Depth of Investigation EAGE Near Surface Division.

Christiansen, A. V. & Auken, E. (2012). A global measure for depth of investigation. Geophysics, 77(4), WB171-WB177. https://doi.org/10.1190/geo2011-0393.1

Christiansen, A. V., Auken, E. & Viezzoli, A. (2011). Quantification of modeling errors in airborne TEM caused by inaccurate system description. Geophysics, 76(1), F43-F52. https://doi.org/10.1190/1.3511354

Christiansen, A. V., Foged, N. & Auken, E. (2014). A concept for calculating accumulated clay thickness from borehole lithological logs and resistivity models for nitrate vulnerability assessment. Journal of Applied Geophysics, 108, 69-77. https://doi.org/10.1016/j.jappgeo.2014.06.010

Christiansen, A. V., Foged, N. & Auken, E. (2014). Inverting for lithology using resistivity models and boreholes. In Near Surface Geoscience 2014 - 20th European Meeting of Environmental and Engineering Geophysics European Association of Geoscientists and Engineers. http://www.scopus.com/inward/record.url?scp=84908374234&partnerID=8YFLogxK

Christiansen, A. V., Auken, E., Kirkegaard, C., Schamper, C. N. C. & Vignoli, G. (2016). An efficient hybrid scheme for fast and accurate inversion of airborne transient electromagnetic data. Exploration Geophysics, 47(4), 331-340. https://doi.org/10.1071/EG14121

Christiansen, A. V., Maurya, P., Fiandaca, G. & Auken, E. (2015). Detailed leachate mapping using a 441 electrode full 3D setup using an extendable fishbone layout. In Near Surface Geoscience 2015 - 21st European Meeting of Environmental and Engineering Geophysics (pp. 641-645). European Association of Geoscientists and Engineers. https://doi.org/10.3997/2214-4609.201413792

Christiansen, A. V., Pedersen, J. B., Auken, E., Soe, N. E., Holst, M. K. & Kristiansen, S. M. (2016). Improved Geoarchaeological Mapping with Electromagnetic Induction Instruments from Dedicated Processing and Inversion. Remote Sensing, 8(12), Article 1022. https://doi.org/10.3390/rs8121022

Christiansen, A. V., Pedersen, J. B., Auken, E. & Kristiansen, S. M. (2017). Kortlægning af arkæologiske strukturer og paleo-landsskab med geofysik: Elektromagnetisk induktion og gradient magnetometer. Abstract from Organisationen af Danske Museer faglig orientering (ODM), Kolding, Denmark.

Christiansen, A. V. & Auken, E. (2018). Presenting a free, highly flexible inversion code. In 78th Society of Exploration Geophysicists International Exposition and Annual Meeting, SEG 2008 (pp. 1228-1232). Society of Exploration Geophysicists.

Christiansen, A. V., Frederiksen, R. R., Vilhelmsen, T. N., Christensen, S., Maurya, P. K., Hansen, B., Kim, H., Høyer, A. S., Aamand, J., Jakobsen, R., Børgesen, C. D., Jacobsen, B. H. & 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, 343, Article 118126. https://doi.org/10.1016/j.jenvman.2023.118126

Christiansen, A. V., Foged, N. & Rawlinson, Z. (2022). Combining boreholes and Airborne EM for automatic generation of hydrostratigraphic model Realizations. In 3rd Conference on Airborne, Drone and Robotic Geophysics, Held at the Near Surface Geoscience Conference and Exhibition 2022, NSG 2022 European Association of Geoscientists and Engineers, EAGE. https://doi.org/10.3997/2214-4609.202220151

Christoffersen, P., Piotrowski, J. A. & Larsen, N. K. (2005). Basal processes under an Arctic glacier and their geomorphic imprint after a surge, Elisebreen, West Svalbard. Quaternary Research, 64(2), 125-137.

Cita, M. B., Gibbard, P. L., Head, M., Knudsen, K. L. & Piotrowski, J. A. (2012). Formal ratification of the GSSP for the base of the Calabrian Stage (second stage of the Pleistocene Series, Quaternary System). Episodes, 35(3), 388-397. http://www.episodes.co.in/contents/2012/September/p388-397.pdf

Claes, N., Paige, G. B., Gordon, B. L., Parsekian, A. D. & Miller, S. N. (2021). Hydrologic modeling of reach scale fluxes from flood irrigated fields. Journal of Hydrology, 598, Article 126254. https://doi.org/10.1016/j.jhydrol.2021.126254

Clark, C. D., Evans, D. J. A. & Piotrowski, J. A. (2003). Palaeo-ice streams: an introduction. Boreas, 32, 1-3.

Clark, A. N., Lesher, C., Jacobsen, S. D. & Sen, S. (2014). Mechanisms of anomalous compressibility of vitreous silica. Physical Review B, 90(17), Article 174110. https://doi.org/10.1103/PhysRevB.90.174110

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Ann Eg Mølhave