Recent publications

Recent Publications

Nielsen, C. E. B. & Clausen, O. R. (2026). Comparative studies of salt pillows in proximity to the Ringkøbing-Fyn High, Denmark. Journal of Structural Geology, 204, Article 105609. https://doi.org/10.1016/j.jsg.2025.105609

Balling, N., Jacobsen, B. H. & Nielsen, S. B. (2026). Deep structure of the Scandinavian Caledonides and the Baltic Shield: a review with new integrated gravity–isostatic and thermal modelling. Geological Society Special Publication, 557(1), 247-299. https://doi.org/10.1144/gslspecpub2025-26

Petersen, K. D., Welsh, M. J. & Clausen, O. R. (2025). Dehnungsentwicklung in den über dem Kraka-Salzkissen liegenden Schichten, abgeleitet aus der stratigraphischen Rekonstruktion. In Geomechanische Kontrollen der Rissentwicklung in Kreide und Mergel in der dänischen Nordsee: Verstehen und Vorhersagen von Riss-Systemen (pp. 155-181). Springer Nature. https://doi.org/10.1007/978-3-031-81345-0_6

Pedersen, A. B., Schovsbo, N. H., Bodin, S., Rudra, A., Egholm, D. L., Clausen, O. R., Tegner, C. & Sanei, H. (2025). Geochemical characterisation of the Danish subsurface ash series for carbon mineralisation potential. Bulletin of the Geological Society of Denmark, 74, 227-250. https://doi.org/10.37570/bgsd-2025-74-13

Glad, A. C., Welsh, M. J., Oldfield, S. J., Nick, H. M., Jørgensen, T. M. & Clausen, O. R. (2025). Geomechanische Modellierung der Evolution eines verbundenen natürlichen Rissnetzwerks zur Erklärung von Flüssigkeitsflussvariationen in einem gebrochenen Kreide-Mergel-Reservoir. In Geomechanische Kontrollen der Rissentwicklung in Kreide und Mergel in der dänischen Nordsee: Verstehen und Vorhersagen von Riss-Systemen (pp. 239-270). Springer Nature. https://doi.org/10.1007/978-3-031-81345-0_8

Löwe, R., Renner, J., Pascal, C., Adl-Zarrabi, B., Balling, N., Bording, T. S., Long, M., Schwarz, G. & Sundberg, J. (2025). Interlaboratory testing of thermal properties at ambient pressure on reference samples and core samples from the COSC-1 scientific drill hole, central Sweden. Geophysical Journal International, 241(1), 405-436. https://doi.org/10.1093/gji/ggaf046

Clausen, O. R., Petersen, K. D., Hansen, T. H. & Andresen, K. J. (2025). Variationen in der Porosität der Kreidegruppe im Nordseebecken aufgrund von absinkungsbedingten Verformungen. In Geomechanische Kontrollen der Rissentwicklung in Kreide und Mergel in der dänischen Nordsee: Verstehen und Vorhersagen von Riss-Systemen (pp. 133-153). Springer Nature. https://doi.org/10.1007/978-3-031-81345-0_5

Glad, A. C., Orlander, T., Fabricius, I. L., Clausen, O. R. & Clemmensen, L. B. (2024). Characteristics and formation of natural fractures in a silica-rich chalk, Coniacian Arnager Limestone Formation, Bornholm, Denmark. Bulletin of the Geological Society of Denmark, 73, 157-173. https://doi.org/10.37570/bgsd-2024-73-09

Zappalá, S., Malehmir, A., Papadopoulou, M., Gregersen, U., Funck, T., Clausen, O. R. & Nørmark, E. (2024). Combined onshore and offshore wide-scale seismic data acquisition and imaging for carbon capture and storage exploration in Havnsø, Denmark. Geophysics, 89(4), B257-B272. https://doi.org/10.1190/GEO2023-0503.1

Hansen, T. H. & Clausen, O. R. (2024). Origin of crestal faults in contractional anticlines; Danish Central Graben, North Sea. In 85th EAGE Annual Conference and Exhibition 2024 (pp. 4890-4894). European Association of Geoscientists and Engineers, EAGE.

Balling, N. (2024). Thermal structure of two deep boreholes in the Siljan Ring, Central Sweden, and palaeoclimatic implications. Tectonophysics, 872, Article 230149. https://doi.org/10.1016/j.tecto.2023.230149

Glad, A. C., Afrough, A., Amour, F., Ferreira, C. A. S., Price, N., Clausen, O. R. & Nick, H. M. (2023). Anatomy of fractures: Quantifying fracture geometry utilizing X-ray computed tomography in a chalk-marl reservoir; the Lower Cretaceous Valdemar Field (Danish Central Graben). Journal of Structural Geology, 174, Article 104936. https://doi.org/10.1016/j.jsg.2023.104936

Maser, E., Andresen, K. J., Bünning, T. H., Clausen, O. R., Wichert, U. & Strehse, J. S. (2023). Ecotoxicological Risk of World War Relic Munitions in the Sea after Low- and High-Order Blast-in-Place Operations. Environmental Science & Technology, 57(48), 20169-20181. https://doi.org/10.1021/acs.est.3c04873

Glad, A. C., Welsh, M. J., Oldfield, S. J., Nick, H. M., Jørgensen, T. M. & Clausen, O. R. (2023). Geomechanical Modelling the Evolution of a Connected Natural Fracture Network to Explain Fluid Flow Variations Across a Fractured Chalk-Marl Reservoir. In Geomechanical Controls on Fracture Development in Chalk and Marl in the Danish North Sea (pp. 215-243) https://doi.org/10.1007/978-3-031-35327-7_8

Pascal, C. & Balling, N. (2023). Heat flow of northern Norway, new data and geodynamic implications. Tectonophysics, 867, Article 230067. https://doi.org/10.1016/j.tecto.2023.230067

Nielsen, S. B. & Balling, N. (2023). Joint inversion of temperature, vitrinite reflectance and fission tracks in apatite with examples from the eastern North Sea area. Basin Research, 35(1), 439-469. https://doi.org/10.1111/bre.12718

Nielsen, S. B. & Balling, N. (2023). Joint inversion of temperature, vitrinite reflectance and fission tracks in apatite with examples from the eastern North Sea area—response to discussion. Basin Research, 35(5), 2045-2048. https://doi.org/10.1111/bre.12806

Fuchs, S., Norden, B., Neumann, F., Kaul, N., Tanaka, A., Kukkonen, I. T., Pascal, C., Christiansen, R., Gola, G., Šafanda, J., Espinoza-Ojeda, O. M., Marzan, I., Rybach, L., Balkan-Pazvantoğlu, E., Ramalho, E. C., Dědeček, P., Negrete-Aranda, R., Balling, N., Poort, J. ... Verdoya, M. (2023). Quality-assurance of heat-flow data: The new structure and evaluation scheme of the IHFC Global Heat Flow Database. Tectonophysics, 863, Article 229976. https://doi.org/10.1016/j.tecto.2023.229976

Petersen, K. D., Welsh, M. J. & Clausen, O. R. (2023). Strain Evolution in the Strata Overlying the Kraka Salt Pillow, Inferred from Stratigraphic Reconstruction. In Geomechanical Controls on Fracture Development in Chalk and Marl in the Danish North Sea (pp. 141-165). Springer Nature. https://doi.org/10.1007/978-3-031-35327-7_6

Senger, K., Nuus, M., Balling, N., Betlem, P., Birchall, T., Christiansen, H. H., Elvebakk, H., Fuchs, S., Jochmann, M., Klitzke, P., Midttømme, K., Olaussen, S., Pascal, C., Rodes, N., Shestov, A., Smyrak-Sikora, A. & Thomas, P. J. (2023). The subsurface thermal state of Svalbard and implications for geothermal potential. Geothermics, 111, Article 102702. https://doi.org/10.1016/j.geothermics.2023.102702

Clausen, O. R., Petersen, K. D., Hansen, T. H. & Andresen, K. J. (2023). Variations in the Porosity of the Chalk Group in the North Sea Basin Due to Subsidence Related Deformation. In Geomechanical Controls on Fracture Development in Chalk and Marl in the Danish North Sea (pp. 121). Springer Nature. https://doi.org/10.1007/978-3-031-35327-7_5

Tavares, A. C., de Castro, D. L., Clausen, O. R., Bezerra, F. H. R., Sousa, M. O. L., Gomes, M. P., Vital, H. & de Oliveira, D. C. (2022). Continental-scale structural heritage from rift extension to postrift inversion: Implications for the central Brazilian Equatorial Margin evolution. Tectonophysics, 837, Article 229446. https://doi.org/10.1016/j.tecto.2022.229446

Colgan, W., Wansing, A., Mankoff, K., Lösing, M., Hopper, J., Louden, K., Ebbing, J., Christiansen, F. G., Ingeman-Nielsen, T., Liljedahl, L. C., MacGregor, J. A., Hjartarson, Á., Bernstein, S., Karlsson, N. B., Fuchs, S., Hartikainen, J., Liakka, J., Fausto, R. S., Dahl-Jensen, D. ... Løkkegaard, A. (2022). Greenland Geothermal Heat Flow Database and Map (Version 1). Earth System Science Data, 14(5), 2209-2238. https://doi.org/10.5194/essd-14-2209-2022

Glad, A. C., Amour, F., Welch, M. J., Clausen, O. R., Anderskouv, K., Ineson, J. R., Sheldon, E. & Nick, H. M. (2022). Natural fractures and discontinuities in a Lower Cretaceous chalk-marlstone reservoir, Valdemar Field, Danish North Sea. Marine and Petroleum Geology, 136, Article 105445. https://doi.org/10.1016/j.marpetgeo.2021.105445

Dalgaard, E., Bredesen, K., Mathiesen, A., Balling, N. & Gordon, A. (2021). 2D seismic AVO inversion for geothermal reservoir characterisation in Zealand Denmark. In SEG Technical Program Expanded Abstracts 2021 (pp. 3326-3330). Society of Exploration Geophysicists. https://doi.org/10.1190/segam2021-3594895.1

Feng, R., Balling, N., Grana, D., Dramsch, J. S. & Hansen, T. M. (2021). Bayesian Convolutional Neural Networks for Seismic Facies Classification. IEEE Transactions on Geoscience and Remote Sensing, 59(10), 8933-8940. https://doi.org/10.1109/TGRS.2020.3049012

Feng, R., Grana, D. & Balling, N. (2021). Imputation of missing well log data by random forest and its uncertainty analysis. Computers and Geosciences, 152, Article 104763. https://doi.org/10.1016/j.cageo.2021.104763

Janusz, P. A., Sørensen, K. K., Clausen, O. R. & Andresen, K. J. (2021). Influence of sample conditions on shear wave velocity measurements in a sedimentary stiff clay. Marine Georesources & Geotechnology, 39(4), 448-458. https://doi.org/10.1080/1064119X.2020.1711833

Glad, A. C., Welch, M. J., Amour, F., Nick, H. & Clausen, O. R. (2021). NATURAL FRACTURES AND SEDIMENTOLOGY OF A HETEROGENEOUS RESERVOIR: THE VALDEMAR FIELD, DANISH NORTH SEA. In 82nd EAGE Conference and Exhibition 2021 (pp. 1132-1136). European Association of Geoscientists and Engineers, EAGE.

Thybo, H., Bulut, N., Grund, M., Mauerberger, A., Makushkina, A., Artemieva, I. M., Balling, N., Gudmundsson, O., Maupin, V., Ottemøller, L., Ritter, J. & Tilmann, F. (2021). Scanarray-a broadband seismological experiment in the baltic shield. Seismological Research Letters, 92(5), 2811-2823. https://doi.org/10.1785/0220210015

Fuchs, S., Förster, H. J., Norden, B., Balling, N., Miele, R., Heckenbach, E. & Förster, A. (2021). The Thermal Diffusivity of Sedimentary Rocks: Empirical Validation of a Physically Based α − φ Relation. Journal of Geophysical Research: Solid Earth, 126(3), Article e2020JB020595. https://doi.org/10.1029/2020JB020595

Hansen, T. H., Clausen, O. R. & Andresen, K. J. (2021). Thick- and thin-skinned basin inversion in the Danish Central Graben, North Sea - the role of deep evaporites and basement kinematics. Solid Earth, 12(8), 1719-1747. https://doi.org/10.5194/se-12-1719-2021

Feng, R., Grana, D. & Balling, N. (2021). Uncertainty quantification in fault detection using convolutional neural networks. Geophysics, 86(3), M41-M48. https://doi.org/10.1190/geo2020-0424.1

Feng, R., Grana, D. & Balling, N. (2021). Variational inference in Bayesian neural network for well-log prediction. Geophysics, 86(3), M91-M99. https://doi.org/10.1190/geo2020-0609.1

Glad, A. C., Amour, F., Welch, M. J., Clausen, O. R. & Nick, H. M. (2020). A naturally fractured chalk reservoir in the danian ekofisk formation: Characteristics, petrography and stable isotope signature of cemented fractures and faults (the Kraka Field, Danish North Sea). Norsk Geologisk Tidsskrift, 100(2), 1-17. Article 202008. https://doi.org/10.17850/njg100-2-4

Feng, R., Hansen, T. M., Grana, D. & Balling, N. (2020). An unsupervised deep-learning method for porosity estimation based on poststack seismic data. Geophysics, 85(6), M97-M105. https://doi.org/10.1190/GEO2020-0121.1

Fuchs, S., Balling, N. & Mathiesen, A. (2020). Corrigendum to “Deep basin temperature and heat-flow field in Denmark – New insights from borehole analysis and 3D geothermal modelling” [Geothermics 83 (2020) 101722]. Geothermics, 86, Article 101818. https://doi.org/10.1016/j.geothermics.2020.101818

Fuchs, S., Balling, N. & Mathiesen, A. (2020). Deep basin temperature and heat-flow field in Denmark – New insights from borehole analysis and 3D geothermal modelling. Geothermics, 83, Article 101722. https://doi.org/10.1016/j.geothermics.2019.101722

Prins, L. T., Andresen, K. J., Clausen, O. R. & Piotrowski, J. A. (2020). Formation and widening of a North Sea tunnel valley - The impact of slope processes on valley morphology. Geomorphology, 368, Article 107347. https://doi.org/10.1016/j.geomorph.2020.107347

Hejrani, B., Balling, N., Jacobsen, B. H. & Nielsen, S. B. (2020). Is High Topography Around the North Atlantic Supported From the Upper Mantle? Journal of Geophysical Research: Solid Earth, 125(9), Article e2020JB019808. https://doi.org/10.1029/2020JB019808

Feng, R., Balling, N. & Grana, D. (2020). Lithofacies classification of a geothermal reservoir in Denmark and its facies-dependent porosity estimation from seismic inversion. Geothermics, 87, Article 101854. https://doi.org/10.1016/j.geothermics.2020.101854

Bredesen, K., Dalgaard, E., Mathiesen, A., Rasmussen, R. & Balling, N. (2020). Seismic characterization of geothermal sedimentary reservoirs: A field example from the Copenhagen area, Denmark. Interpretation, 8(2), T275-T291. https://doi.org/10.1190/INT-2019-0184.1, https://doi.org/10.1190/int-2019-0184.1

Vasconcelos, D. L., Bezerra, F. H. R., Medeiros, W. E., de Castro, D. L., Clausen, O. R., Vital, H. & Oliveira, R. G. (2019). Basement fabric controls rift nucleation and postrift basin inversion in the continental margin of NE Brazil. Tectonophysics, 751, 23-40. https://doi.org/10.1016/j.tecto.2018.12.019

Andresen, K. J., Heilmann-Clausen, C., Clausen, O. R. & Friis, H. (2019). Deposition or remobilization of the enigmatic Hefring Member sand, eastern North Sea: A multidisciplinary approach. Marine and Petroleum Geology, 109, 245-267. https://doi.org/10.1016/j.marpetgeo.2019.06.001

Dalgaard, E., Bredesen, K., Mathiesen, A. & Balling, N. (2019). De-risking geothermal plays by seismic reservoir characterisation. Paper presented at 1st Conference on Geophysics for Geothermal-Energy Utilization and Renewable-Energy Storage, Held at Near Surface Geoscience Conference and Exhibition 2019, NSG 2019, The Hague, Netherlands.

Bording, T. S., Nielsen, S. B. & Balling, N. (2019). Determination of thermal properties of materials by Monte Carlo inversion of pulsed needle probe data. International Journal of Heat and Mass Transfer, 133, 154-165. https://doi.org/10.1016/j.ijheatmasstransfer.2018.12.104

Clausen, O. R., Andresen, K. J., Rasmussen, M. L. & Egholm, D. L. (2019). Discrete-element modelling of hanging wall deformation along the D-1 fault system, Danish North Sea, with implications for gas chimney interpretations. Journal of Structural Geology, 118, 250-264. https://doi.org/10.1016/j.jsg.2018.11.005

Vasconcelos, D. L., Bezerra, F. H. R., Clausen, O. R., Medeiros, W. E., Castro, D. L. D., Vital, H. & Barbosa, J. A. (2019). Inﬂuence of Precambrian shear zones on the formation of oceanic fracture zones along the continental margin of Brazil. Marine and Petroleum Geology, 101, 322-333. https://doi.org/10.1016/j.marpetgeo.2018.12.010

Dalgaard, E., Bredesen, K., Mathiesen, A. & Balling, N. (2019). Seismic AVO inversion for geothermal reservoir characterisation. In 81st EAGE Conference and Exhibition 2019 Workshop Programme European Association of Geoscientists and Engineers. https://doi.org/10.3997/2214-4609.201901961

Møller, I., Balling, N. & Ditlefsen, C. (2019). Shallow subsurface thermal structure onshore Denmark: temperature, thermal conductivity and heat flow. Bulletin of the Geological Society of Denmark, 67, 29-52. https://2dgf.dk/publikationer/bulletin/bulletin-volume-67-2019/

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Revised 06.02.2024

Susanne Weis Fogh