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Number of items: 121.

Article in a Scientific Journal - peer-reviewed

Minshull, T. A., Marín-Moreno, H., Betlem, P., Bialas, J., Buenz, S., Burwicz, E. B., Cameselle, A. L., Cifci, G., Giustiniani, M., Hillman, J. I. T., Hölz, S., Hopper, J. R., Ion, G., León, R., Magalhaes, V., Makovsky, Y., Mata, M. P., Max, M. D., Nielsen, T., Okay, S., Ostrovsky, I., O'Neill, N., Pinheiro, L. M., Plaza-Faverola, A. A., Rey, D., Roy, S., Schwalenberg, K., Senger, K., Vadakkepuliyambatta, S., Vasilev, A. and Vázquez, J. T. (2020) Hydrate occurrence in Europe: A review of available evidence Marine and Petroleum Geology, 111 . pp. 735-764. DOI 10.1016/j.marpetgeo.2019.08.014.

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Berndt, C., Chi, W. C., Jegen, M., Lebas, E., Crutchley, G., Muff, S., Hölz, S., Sommer, M., Lin, S., Liu, C. S., Lin, A. T., Klaeschen, D., Klaucke, I., Chen, L., Hsu, H. H., Kunath, P., Elger, J., McIntosh, K. D. and Feseker, T. (2019) Tectonic Controls on Gas Hydrate Distribution off SW Taiwan Journal of Geophysical Research: Solid Earth, 124 (2). pp. 1164-1184. DOI 10.1029/2018JB016213.

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Haroon, A., Hölz, S., Gehrmann, R. A. S., Attias, E., Jegen, M., Minshull, T. A. and Murton, B. J. (2018) Marine dipole–dipole controlled source electromagnetic and coincident-loop transient electromagnetic experiments to detect seafloor massive sulphides: effects of three-dimensional bathymetry Geophysical Journal International, 215 (3). pp. 2156-2171. DOI 10.1093/gji/ggy398.

Attias, E., Weitemeyer, K., Hölz, S., Naif, S., Minshull, T. A., Best, A. I., Haroon, A., Jegen-Kulcsar, M. and Berndt, C. (2018) High-resolution resistivity imaging of marine gas hydrate structures by combined inversion of CSEM towed and ocean-bottom receiver data Geophysical Journal International, 214 (3). pp. 1701-1714. DOI 10.1093/gji/ggy227.

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Safipour, R., Hölz, S., Jegen, M. and Swidinsky, A. (2018) A first application of a marine inductive source electromagnetic configuration with remote electric dipole receivers: Palinuro Seamount, Tyrrhenian Sea Geophysical Prospecting, 66 (7). pp. 1415-1432. DOI 10.1111/1365-2478.12646.

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Safipour, R., Hölz, S., Jegen, M. and Swidinsky, A. (2017) On electric fields produced by inductive sources on the seafloor Geophysics, 82 (6). E297-E313. DOI 10.1190/geo2016-0700.1.

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Safipour, R., Hölz, S., Halbach, J., Jegen, M., Petersen, S. and Swidinsky, A. (2017) A self-potential investigation of submarine massive sulfides: Palinuro Seamount, Tyrrhenian Sea Geophysics, 82 (6). A51-A56. DOI 10.1190/geo2017-0237.1.

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Attias, E., Weitemeyer, K., Minshull, T. A., Best, A. I., Sinha, M., Jegen-Kulcsar, M., Hölz, S. and Berndt, C. (2016) Controlled-source electromagnetic and seismic delineation of sub-seafloor fluid flow structures in a gas hydrate province, offshore Norway Geophysical Journal International, 206 (2). pp. 1093-1110. DOI 10.1093/gji/ggw188.

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Jegen, M., Avdeeva, A., Berndt, C., Franz, G., Heincke, B., Hölz, S., Neska, A., Marti, A., Planert, L., Chen, J., Kopp, H., Baba, K., Ritter, O., Weckmann, U., Meqbel, N. and Behrmann, J. (2016) 3-D Magnetotelluric Image of Offshore Magmatism at the Walvis Ridge and Rift Basin Tectonophysics, 683 . pp. 98-108. DOI 10.1016/j.tecto.2016.06.016.

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Kapinos, G., Weckmann, U., Jegen-Kulcsar, M., Meqbel, N., Neska, A., Katjiuongua, T. T., Hölz, S. and Ritter, O. (2016) Electrical resistivity image of the South Atlantic continental margin derived from onshore and offshore magnetotelluric data Geophysical Research Letters, 43 (1). pp. 154-160. DOI 10.1002/2015GL066811.

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Garcia, X., Seillé, H., Elsenbeck, J., Evans, R. L., Jegen, M., Hölz, S., Ledo, J., Lovatini, A., Marti, A., Marcuello, A., Queralt, P., Ranero, C. R. and Ungarelli, C. (2015) Structure of the mantle beneath the Alboran basin from magnetotelluric soundings Geochemistry, Geophysics, Geosystems, 16 . pp. 4261-4274. DOI 10.1002/2015GC006100.

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Hölz, S., Swidinsky, A., Sommer, M., Jegen, M. and Bialas, J. (2015) The Use of Rotational Invariants for the Interpretation of Marine CSEM Data with a Case Study from the North Alex Mud Volcano, West Nile Delta Geophysical Journal International, 201 (1). pp. 224-245. DOI 10.1093/gji/ggv015.

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Sommer, M., Hölz, S., Moorkamp, M., Swidinsky, A., Heincke, B., Scholl, C. and Jegen, M. D. (2013) GPU parallelization of a three dimensional marine CSEM code Computers & Geosciences, 58 . pp. 91-99. DOI 10.1016/j.cageo.2013.04.004.

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Swidinsky, A., Hölz, S. and Jegen, M. (2012) On mapping seafloor mineral deposits with central loop transient electromagnetics Geophysics, 77 (3). E171-184. DOI 10.1190/GEO2011-0242.1.

Article in a Scientific Journal - without review


Safipour, R., Swidinsky, A., Hölz, S. and Jegen, M. (2018) Electrical and electromagnetic methods in exploring for seafloor massive sulfide deposits SEG Technical Program Expanded Abstracts . pp. 1833-1837. DOI 10.1190/segam2018-2971221.1.


Attias, E., Weitemeyer, K., Minshull, T., Jegen, M., Hölz, S., Berndt, C. and Best, A. (2016) Marine CSEM data constrained by seismic and synthetic studies for gas hydrates exploration SEG Technical Program Expanded Abstracts, 35 . pp. 901-906. DOI 10.1190/segam2016-13407364.1.


Swidinsky, A., Sommer, M., Hölz, S., Jegen, M., Berndt, C. and Chi, W. (2014) Electromagnetic imaging of gas hydrate deposits off-shore Taiwan: First results of the Taiflux survey SEG Technical Program Expanded Abstracts, 2014 . pp. 760-764. DOI 10.1190/segam2014-0100.1.

Book chapter

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Jegen, M., Hoelz, S., Swidinsky, A., Sommer, M., Berndt, C. and Chi, W. C. (2015) SO227 Electromagnetic and seismic investigation of methane hydrates offshore Taiwan - The Taiflux Experiment Tagungsband Statusseminar Meeresforschung mit FS SONNE 2015. Projektträger Biologie, Energie, Ökologie, Rostock-Warnemünde, pp. 118-126.

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Hartmann, K., Wünnemann, B., Hölz, S., Krätschell, A. and Zhang, H. (2011) Neotectonic constraints on the Gaxun Nur inland basin in north–central China, derived from remote sensing, geomorphology and geophysical analyses Growth and Collapse of the Tibetan Plateau. GSL Special Publications . Geological Society Publ. House, Bath, UK, pp. 221-233. ISBN 978-1-86239-326-4

Conference paper

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Jegen, M., Hölz, S., Swidinsky, A., Sommer, M., Berndt, C. and Chi, W. (2014) Electromagnetic and Seismic Investigation of Methane Hydrates Offshore Taiwan – The Taiflux Experiment [Paper] In: Oceans 2014, 07.-10.04.2014, Taipei, China.

Conference presentation


Hölz, S., Haroon, A., Reeck, K., Petersen, S., Safipour, R. and Jegen, M. (2019) Detection of buried seafloor massive sulfides with the MARTEMIS TEM system [Talk] In: Prospectors and Developers Meeting 2019, 06.03.2019, Toronto, Canada.


Haroon, A., Hölz, S., Gehrmann, R. A. S., Reeck, K., Attias, E., Jegen, M. and Minshull, T. A. (2019) Marine dipole–dipole controlled source electromagnetic and coincident-loop transient electromagnetic experiments to detect seafloor massive sulphides: effects of three-dimensional bathymetry [Talk] In: IUGG Centennial Meeting, 08.07.-18.07.2019, Montreal, Canada.


Gehrmann, R. A. S., North, L. J., Graber, S., Szitkar, F., Petersen, S., Haroon, A., Hölz, S., Minshull, T. A., Jegen, M. and Murton, B. J. (2019) Metal sulphide occurrence at the Mid-Atlantic Ridge: An interdisciplinary case study [Talk] In: 27. IUGG General Assembly 2019, 08.07.-18.07.2019, Montreal, Canada.


Jegen, M. and Hölz, S. (2019) New exploration challenges and instrument systems in marine EM [Invited talk] In: MARELEC 2019, 22.10.-25.10.2019, Marine Biological Laboratory, Woods Hole, USA.


Haroon, A., Hölz, S. and Jegen, M. (2019) Recent developments in TD-CSEM Inversion for shallow seafloor exploration [Talk] In: EMTF Meeting 2019, 23.09.-27.09.2019, Haltern am See, Germany.


Petersen, S., Hannington, M. D., Hölz, S., Krätschell, A., Klischies, M., Graber, S., Anderson, M. O., Jamieson, J., Grant, H. and Murton, B. J. (2019) Same, same, but different: recent advances in our understanding of modern seafloor hydrothermal systems [Talk] In: 15. Biennal SGA Meeting 2019, 27.-30.08.2019, Glasgow, UK.


Hölz, S., Haroon, A., Reeck, K., Faghih, Z., Galley, C., Sinnecker, T., Rodriguez, N., Martins, S. and Barnscheidt, K. C. (2019) The Search for Hidden Seafloor Massive Sulfides Along the Arctic Mid-Ocean Ridges [Talk] In: EMTF Meeting 2019, 23.09.-27.09.2019, Haltern am See, Germany.


Haroon, A., Hölz, S., Weymer, B., Tezkan, B. and Jegen, M. (2018) Calculating Time-Domain Controlled Source Electromagnetic Signals with MARE2DEM [Talk] In: 3. Applied Shallow Marine Geophysics Conference, 09.-13.09.2018, Porto, Portugal.


Hölz, S., Haroon, A., Reeck, K., Petersen, S., Safipour, R. and Jegen, M. (2018) Detection of Buried Seafloor Massive Sulfides with the transient electromagnetic system MARTEMIS [Invited talk] In: PDAC Convention 2018, 03.03.-06.03.2018, Toronto, Canada.


Hölz, S., Haroon, A., Reeck, K. and Jegen, M. (2018) MARTEMIS – A New EM Tool for the Detection of Buried Seafloor Massive Sulfides [Talk] In: 24. International EM Induction Workshop, 13.-20.08.2018, Helsingør, Denmark.

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Weymer, B. A., Jegen, M., Schwalenberg, K., Hölz, S., Faghih, Z., Duan, S., Micallef, A. and Mountjoy, J. (2018) Mapping offshore freshwater aquifers using marine controlled-source electromagnetics: Canterbury Basin, New Zealand [Talk] In: EGU General Assembly 2018, 08.-13.04.2018, Vienna, Austria.


Schwalenberg, K., Gehrmann, R., Hölz, S. and Zander, T. (2018) Marine CSEM gas hydrate studies in the Danube Delta, Western Black Sea [Talk] In: 24. International EM Induction Workshop, 13.-20.08.2018, Helsingør, Denmark.


Gehrmann, R. A. S., Graber, S., Szitkar, F., Petersen, S., Hölz, S., Morton, M., Haroon, A., Ollington, B., Minshull, T. A., Jegen, M. D., North, L., Gil, A., Tan, Y. Y., Attias, E., Schroeder, H., Bialas, J. and Murton, B. (2018) Massive sulphide exploration at the Mid-Atlantic Ridge 26°N: an interdisciplinary geophysical study [Talk] In: Geological Society of London – William Smith Meeting, 03.07.2018, London, England.


Gehrmann, R., Morton, M., Haroon, A., North, L., Tan, Y., Graber, S., Szitkar, F., Hoelz, S., Petersen, S., Minshull, T. and Murton, B. (2018) Massive sulphide exploration with controlled source electromagnetics at the Mid-Atlantic Ridge [Talk] In: Marine Minerals: A New Resource for the 21st Century?, 31.10.-1.11.2018, The Geological Society, London, England.


Yeo, I., Murton, B., Lusty , P., Petersen, S., Gil, A., Lehrmann, B., Dutrieux, A., Stobbs, I., Gehrmann, R., Hoelz, S. and Jegen, M. (2018) An integrated approach to assessing seafloor massive sulphide deposits [Talk] In: Marine Minerals: A New Resource for the 21st Century?, 31.10.-1.11.2018, The Geological Society, London, England.

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Sommer, M., Hölz, S. and Jegen, M. (2017) Implementation of the Rational Krylov subspace method for marine tCSEM forward modeling and sensitivity calculation on GPU [Talk] In: 6. International Symposium on Three-Dimensional Electromagnetics (3DEM-6), 28.-30.03.2017, Berkeley, California, USA.

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Hölz, S., Duan, S., Li, G., Schwalenberg, K. and Jegen, M. (2017) Investigations on gas hydrate occurrences in the Western Black Sea with the Sputnik controlled source electromagnetic system [Talk] In: DGG Annual Meeting 2017, 27.-30.03.2017, Potsdam, Germany.


Hölz, S. and Jegen, M. (2017) Mapping seafloor ore deposits in the Tyrhennian Sea with a new time-domain coincident loop system [Talk] In: MARELEC 2017, 27.06.-30.06.17, Liverpool, UK.


Haroon, A., Hölz, S. and Jegen, M. (2017) Marine TEM measurements in the workarea 3-Mounds (Mid Atlantic Ridge, TAG area) [Talk] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.


Gehrmann, R., Graber, S., Szitkar, F., Petersen, S., Hölz, S., North, L., Jegen, M., Gil, A., Vardy, M., Schröder, H., Bialas, J., Tan, Y. Y., Attias, E., Sommer, M., Minshull, T. and Murton, B. (2017) Massive sulphide exploration at the Mid-Atlantic Ridge 26°N: an integrated geophysical study [Talk] In: AGU Fall Meeting 2017, 11.12 - 15.12.2017, New Orleans, USA.


Gehrmann, R., Tan, I., Minshull, T., Ollington, B., Attias, E., North, L., Hölz, S., Sommer, M., Jegen, M., Szitkar, F., Graber, S., Petersen, S., Schröder, H., Bialas, J., Gill, A., Vardy, M. and Murton, B. (2017) Massive sulphide exploration with controlled source electromagnetics at the Mid-Atlantic Ridge [Talk] In: MARELEC 2017 , 27.-30.06.2017, Liverpool, UK.


Hölz, S. and Jegen, M. (2017) Messungen mit dem TEM Spulensystem „MARTEMIS“ am mittelatlantischen Rücken in der Umgebung des TAG Hydrothermalfeldes [Talk] In: DGG Annual Meeting 2017, 27.-30.03.2017, Potsdam, Germany.


Gehrmann, R., Hölz, S., North, L., Szitkar, F., Graber, S., Yeo, I., Petersen, S., Jegen, M., Gil, A., Vardy, M., Schröder, H., Bialas, J., Tan, Y. Y., Attias, E., Sommer, M., Minshull, T. and Murton, B. (2017) Results from CSEM experiments at the Mid-Atlantic Ridge (TAG area, 26 degrees N) and integration with geophysical data [Talk] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.


Gehrmann, R., Hölz, S., North, L., Szitkar, F., Graber, S., Yeo, I., Petersen, S., Jegen, M., Gil, A., Vardy, M., Schröder, H., Bialas, J., Tan, Y. Y., Attias, E., Sommer, M., Minshull, T. and Murton, B. (2017) Results from CSEM experiments at the Mid-Atlantic Ridge (TAG area, 26°N) and integration with geophysical data [Talk] In: EMTF Conference, 25.-29.09.2017, Breklum, Germany.


Sommer, M., Hölz, S. and Jegen, M. (2017) Sensitivity calculations by model order reduction in the rational Krylov Subspace [Talk] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.

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Weymer, B. A., Jegen, M., Schwalenberg, K., Hölz, S., Faghih, Z., Duan, S. M., Micallef, A. and Mountjoy, J. (2017) Using marine controlled-source electromagnetics to map the occurrence of offshore groundwater: Canterbury Basin, New Zealand [Talk] In: IMEKO TC19 Workshop on Metrology for the Sea “Learning to measure sea health parameters.”, 11.10.-13.10.2017, Naples, Italy.

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Jegen, M., Hölz, S., Safipour, R., Swidinsky, A. and Petersen, S. (2016) Exploration of Buried SMS Deposits with Time Domain EM [Talk] In: Near Surface Geoscience 2016 - Second Applied Shallow Marine Geophysics Conference, 04.-08.09.2016, Barcelona, Spain.


Gehrmann, R., Schwalenberg, K., Hölz, S., Zander, T., Dettmer, J. and Bialas, J. (2016) Controlled source electromagnetic data analysis with seismic constraints and rigorous uncertainty estimation in the Black Sea [Talk] In: AGU Fall Meeting 2016, 12.-16.12.2016, San Francisco, USA.


Schwalenberg, K., Gehrmann, R., Rippel, D., Hölz, S. and Zander, T. (2016) Gas hydrate saturation estimates from the Danube Delta offshore Romania using marine controlled source electromagnetics [Talk] In: 13. Gas In Marine Sediments (GIMS 13), 19.- 22.09.2016, Tromsø, Norway.

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Hölz, S. and Jegen, M. (2016) How to Find Buried and Inactive Seafloor Massive Sulfides Using Transient Electromagnetics - A Case Study from the Palinuro Seamount [Talk] In: EAGE/DGG Workshop on Deep Mineral Exploration, 18.03.2016, Münster, Germany.


Hölz, S., Jegen, M., Petersen, S. and Hannington, M. D. (2015) How to find buried and inactive seafloor massive sulfides using transient electromagnetics – a case study from the Palinuro Seamount in the Tyrrhenian Sea [Talk] In: Underwater Mining Conference 2015, 01.-05.11.2015, Tampa Bay, Florida, USA.


Hölz, S., Swidinsky, A. and Jegen, M. (2014) Investigations on Small Scale Targets with Sputnik, A Two Polarization Transmitter System [Talk] In: CSEM Workshop during the EAGE Meeting 2014, 16.-19.06.2014, Amsterdam, Netherlands.


Jegen, M., Hölz, S., Cukur, D., Sommer, M., Attias, E., Weitemeyer, K. and Berndt, C. (2014) Joint Interpretation of Electromagnetic and Seismic Data to Determine Gas and Methane Hydrate Distribution within the Nyegga CNE03 Seep [Talk] In: AGU Fall Meeting 2014, 15.-19.12.2014, San Francisco, USA.


Swidinsky, A., Edwards, N., Hölz, S. and Jegen, M. (2013) Locating seafloor receivers using late time marine CSEM fields: Theory and applications [Talk] In: MARELEC 2013, 16.-19.07.2013, Hamburg.


Swidinsky, A., Hölz, S. and Jegen, M. (2013) Rapid seafloor resistivity mapping using the GEOMAR transient marine CSEM system [Talk] In: EAGE Meeting 2013, 10.06.-13.06.2013 , London.


Hölz, S., Swidinsky, A., Sommer, M., Lüdemann, M. and Jegen, M. (2013) Sputnik – New Approaches to Marine Electromagnetics [Talk] In: EMTF Meeting, 23.- 27.09.2013, Kirchhundem Rahrbach, Germany.


Hölz, S., Swidinsky, A. and Jegen, M. (2013) The Use of Rotational Invariants for the Interpretation of Marine CSEM Data [Talk] In: MARELEC 2013, 16.-19.07.2013, Hamburg.


Swidinsky, A., Hölz, S., Jegen, M. and Edwards, R. N. (2012) On locating a ship-towed electromagnetic streamer using a seafloor dipole transmitter [Talk] In: Oceans’ 12 MTS/IEEE Conference, 21.-24.05.2012, Yeosu, South Korea.


Swidinsky, A., Hölz, S. and Jegen, M. (2012) The transient marine CSEM response of a conductive seafloor using a horizontal wire loop [Talk] In: 72. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG), 05.-08.03.2012, Hamburg.


Swidinsky, A., Hölz, S. and Jegen, M. (2011) Mapping the resistivity structure of the North Alex mud volcano with the marine CSEM method [Talk] In: Schmucker-Weidelt-Kolloquium - 24. Kolloquium Elektromagnetische Tiefenforschung, 26.09.-29.09.2011, Neustadt an der Weinstraße.


Jegen, M., Hölz, S., Swidinsky, A. and Brückmann, W. (2011) Quantification of marine sulfide deposits using marine electromagnetic methods [Talk] In: OCEANS '11 MTS/IEEE Kona, 19.09.-22.09.2011, Kona, Hawaii, USA.


Brückmann, W., Bialas, J., Jegen, M. D., Lefeldt, M. R., Hölz, S. and Feseker, T. (2010) Dynamic controls of fluid and gas flow at North Alex Mud Volcano, West Nile Delta [Talk] In: AGU Fall Meeting 2010, 13.12.-17.12.2010, San Francisco, California, USA.


Hall, J., Hübscher, C., Ehrhardt, A., Dehghani, A. and Hölz, S. (2010) From subduction to collision: The role of the Eratosthenes Seamount in the eastern Mediterranean [Talk] In: Tectonic Crossroads: Evolving Orogens of Eurasia-Africa-Arabia, 04.-08.10.2010, Ankara, Turkey.


Brückmann, W., Lefeldt, M., Hölz, S., Tryon, M. and Bialas, J. (2010) Seismic triggering of fluid flow in the North Alex mud volcano on the western Nile deep-sea fan [Talk] In: EGU General Assembly 2010, 02.-07.05.2010, Vienna, Austria.

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Hölz, S. and Jegen, M. and European Geosciences Union (2010) The resistivity structure of the North Alex Mud Volcano as derived from the interpretation of CSEM data [Talk] In: EGU General Assembly 2010, 02.05.-07.05.2010, Vienna, Austria.


Hölz, S. and Jegen-Kulcsar, M. (2009) CSEM-Experiment am Schlammvulkan "North Alex" im südöstlichen Mittelmeer [Talk] In: 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG), 23.03.-26.03, Kiel.


Hölz, S. and Jegen-Kulcsar, M. (2009) Development of a CSEM system for the electromagnetic investigation of the North Alex Mud Volcano [Talk] In: EGU General Assembly, 19.04.-23.04, Vienna, Austria.


Hölz, S. and Jegen, M. (2009) Erste Ergebnisse eines CSEM-Experiments auf dem Schlammvulkan North Alex im südöstlichen Mittelmeer [Other] In: 69. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG), 23.03.-26.03.2009, Kiel.


Hölz, S. and Jegen-Kulcsar, M. (2009) Harmonic oscillations in EM-signals measured on the North Alex Mud Volcano [Talk] In: EMTF-Meeting, Seddiner See.


Gehrmann, R., Avdeeva, A., Bialas, J., Hölz, S., Jegen-Kulcsar, M., Lefeldt, M., Sommer, M. and Worzewski, T. (2009) Magnetotellurische und reflexionsseismische Daten im Umfeld des Schlammvulkans North Alex, West Nil Delta - erste Ergebnisse [Talk] In: Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG), 23.03.-26.03, Kiel.


Worzewski, T., Jegen-Kulcsar, M., Chen, J., Hölz, S., Moorkamp, M. and Brasse, H. (2008) Marine magnetotellurics on Costa Rican subduction zone [Talk] In: 19. International Workshop on Electromagnetic Induction in the Earth, 23.10.-29.10, Beijing, China.

Conference poster

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Haroon, A., Jegen-Kulcsar, M., Duan, S., Faghih, Z., Weymer, B., Hölz, S. and Tezkan, B. (2018) 2D Inversion of time-domain controlled source electromagnetic and differential electrical dipole data based on an update of MARE2DEM to the time-domain [Poster] In: 24. International EM Induction Workshop, 13.-20.08.2018, Helsingør, Denmark.

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Chen, L., Jegen, M., Hölz, S., Berndt, C. and Klaeschen, D. (2018) Hydrate Quantification SW offshore Taiwan through the integration of EM and seismic data [Poster] In: Taiwanese-German Joint Symposium on Marine Gas Hydrate: TaiGer VIII , 05.-06.04.2018, Bremen, Germany.


Hölz, S., Jegen, M., Petersen, S., Hannington, M. D., Safipour, R. and Swidinsky, A. (2018) MARTEMIS - An electromagnetic coil system for the detection of buried seafloor massive sulfides [Poster] In: 47. Underwater Mining Conference, 10.-14.09.2018, Bergen, Norway.


Schwalenberg, K., Gehrmann, R., Rippe, D., Duan, S., Hölz, S., Dannowski, A., Zander, T., Bialas, J., Riedel, M., Bohrmann, G. and Haeckel, M. (2018) Marine Controlled Source Electromagnetic Gas Hydrate Studies in the Danube Delta, Western Black Sea [Poster] In: AGU Fall Meeting 2018, 10.-14.12.2018, Washington, D.C., USA.

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Reeck, K., Müller, H. and Hölz, S. (2018) Quantification and reduction of platform immanent bias factors on frequency and time domain coil data [Poster] In: 24. International EM Induction Workshop, 13.-20.08.2018, Helsingør, Denmark.


Duan, S., Hölz, S. and Jegen, M. (2018) Study on Gas Hydrate Targets in the Danube Delta with the Sputnik Controlled-Source Electromagnetic System [Poster] In: 24. International EM Induction Workshop, 13.-20.08.2018, Helsingør, Denmark.

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Faghih, Z., Weymer, B. A., Jegen-Kulcsar, M. D., Duan, S. M., Haroon, A., Hölz, S., Schwalenberg, K., Micallef, A., Mountjoy, J. and Woelz, S. (2018) Using Marine Controlled-Source Electromagnetics to Study Potential Offshore Groundwater: Canterbury Basin, New Zealand [Poster] In: The 24. EM Induction Workshop, 13.08.-20.08.2018, Helsingør, Denmark.


Chen, L., Hölz, S. and Jegen, M. (2017) CSEM measurements for methane hydrate detection offshore Taiwan [Poster] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.


Li, G., Hölz, S., Duan, S. and Jegen, M. (2017) Development of a 2D inversion code for marine CSEM data sets using rotational invariants [Poster] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.


Hölz, S., Haroon, A., Jegen, M., Safipour, R. and Swidinsky, A. (2017) Exploration of Seafloor Massive Sulfide Deposits with the Novel EM Induction System MARTEMIS [Poster] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.


Safipour, R., Hölz, S., Jegen, M. and Swidinsky, A. (2017) Exploring for Mineral Deposits on the Seafloor with Transient Electromagnetic Systems [Poster] In: Exploration 17, Toronto, Canada, 22.10.-25.10.2017.


Faghih, Z., Weymer, B. A., Jegen, M., Duan, S. M., Hölz, S. and Schwalenberg, K. (2017) First results of a marine CSEM experiment for exploration of potential offshore groundwater: Canterbury Margin, New Zealand [Poster] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.

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Schwalenberg, K., Hölz, S., Gehrmann, R., Rippe, D., Dannowski, A., Zander, T., Duan, S., Jegen, M. and Bialas, J. (2017) Gas hydrate occurrences in the Danube Delta, Western Black Sea: Results from 2D and 3D controlled source electromagnetics [Poster] In: EGU General Assembly 2017, 23.-28.04.2017, Vienna, Austria.


Chen, L., Jegen, M., Hölz, S., Berndt, C., Chi, W. C., Liu, C. S. and Lin, S. (2017) Joint Geophysical Data Interpretation on Gas Hydrate System Offshore Southwestern Taiwan [Poster] In: International Conference on Gas Hydrate in Continental Margins, 02.-03.10.2017, Taipei, Taiwan.


Duan, S., Hölz, S., Li, G. and Jegen, M. (2017) Study on Gas Hydrate Targets in the Danube Delta with the Sputnik Controlled Source Electromagnetic System [Poster] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.


Faghih, Z., Weymer, B. A., Jegen-Kulcsar, M., Duan, S., Haroon, A., Hölz, S., Schwalenberg, K., Micallef, A., Mountjoy, J. and Woelz, S. (2017) Using Marine Controlled-Source Electromagnetics to Study Potential Offshore Groundwater: Canterbury Basin, New Zealand [Poster] In: 27. Schmucker-Weidelt Kolloquium für Elektromagnetische Tiefenforschung, 25.-29.09.2017, Breklum, Germany.


Schwalenberg, K., Rippe, D., Gehrmann, R., Hölz, S. and Zander, T. (2016) Marine CSEM Investigation of submarine gas hydrate targets in the Danube Delta, western Black Sea [Poster] In: 23. Electromagnetic Induction Workshop (EMIW), 14.-20.08.2016, Chian Mai, Thailand.


Schwalenberg, K., Rippe, D. and Hölz, S. (2015) FS Maria S. MERIAN Ausfahrt MSM 35: Marine elektromagnetische Untersuchungen zur Exploration von submarinen Gashydratvorkommen im Donau-Delta, westliches Schwarzes Meer [Poster] In: 75. Tagung der Deutschen Geophysikalischen Gesellschaft, 23.-26.03.2015, Hannover.


Berndt, C., Chi, W. C., Jegen, M., Muff, S., Hölz, S., Lebas, E., Sommer, M., Lin, S., Liu, C. S., Lin, A., Klaucke, I., Klaeschen, D., Chen, L., Kunath, P., McIntosh, K. and Feseker, T. (2015) Tectonic Controls on Gas Hydrate Distribution off SW of Taiwan [Poster] In: AGU 2015, 14. – 18.12.15, San Francisco, USA.


Safipour, R., Hölz, S., Halbach, J., Jegen, M. and Swidinsky, A. (2015) Using self-potential to explore for submarine massive sulfides: Palinuro Seamount, Tyrrhenian Sea [Poster] In: UMC Conference 2015, 01.-06.11.2015, Tampa Bay, USA.


Swidinsky, A., Sommer, M., Hölz, S., Jegen, M., Berndt, C. and Chi, W. (2014) Imaging gas hydrate deposits off-shore Taiwan with marine electromagnetics using the GEOMAR Sputnik transmitter system [Poster] In: International Electromagnetic Introduction Workshop, 28.08.-01.09.2014, Weimar.


Lüdemann, M., Cukur, D., Hartung, P., Sommer, M., Hölz, S. and Jegen, M. (2014) Interpretation of mCSEM data acquired with the GEOMAR Sputnik transmitter system for the characterization of gas hydrates in the vicinity of a fluid-escape chimney in the Nyegga pockmark field, offshore Norway [Poster] In: International Electromagnetic Introduction Workshop, 28.08.-01.09.2014, Weimar.


Hölz, S. and Jegen, M. (2014) Sputnik - A two polarization transmitter system for marine controlled source electromagnetics on small scale targets [Poster] In: International Electromagnetic Introduction Workshop, 28.08.-01.09.2014, Weimar.


Rudersdorf, A., Hölz, S. and Reicherter, K. (2013) Geophysical Investigations of the Gaxun Nur Basin (NW China) [Poster] In: 73. Annual Meeting of the German Geophysical Society (DGG), 04.-07.03.2013, Leipzig.


Sommer, M., Hölz, S., Moorkamp, M., Swidinsky, A., Heincke, B., Scholl, C. and Jegen, M. (2013) Speeding up a marine 3D CSEM code with GPU [Poster] In: 3DEM-5, 5. International Symposium on Three-Dimensional Electromagnetics "Future Challenges", 07.-09.05.2013, Sapporo, Japan.


Sommer, M., Hölz, S., Moorkamp, M., Swidinsky, A., Heincke, B., Scholl, C. and Jegen, M. (2013) Speeding up a marine 3D CSEM code with GPU [Poster] In: MARELEC 2013, 16.-19.07.2013, Hamburg.


Haedke, H., Hölz, S. and Hartmann, K. (2013) Stationary Wavelet Analysis of a Digital Elevation Models for the Detection of Hidden Geomorphic Structures in the Gaxun Nur Basin, NW China [Poster] In: EGU General Assembly 2013, 07.-12.04.2013, Vienna, Austria.


Hölz, S., Swidinsky, A. and Jegen, M. (2012) The use of rotational invariants of the electric field tensor in the interpretation of marine CSEM data [Poster] In: 72. Jahrestagung der Deutschen Geophysikalischen Gesellschaft (DGG) 2010, 05.03.-08.03.2012, Hamburg.


Sommer, M. and Hölz, S. (2011) Adaption and GPU based parallelization of the code TEMDDD for the 3D modelling of CSEM data [Poster] In: 71. Jahrestagung der Deutschen Geophysikalischen Gesellschaft gemeinsam mit der Arbeitsgemeinschaft Extraterrestrische Forschung, 21.02.- 24.02.2011, Köln.

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Hölz, S. and Jegen, M. (2011) Five years of marine research using EM methods at the IFM-GEOMAR [Poster] In: EGU General Assembly 2011, 03.04.-08.04.2011, Vienna, Austria.


Swidinsky, A., Hölz, S. and Jegen, M. (2011) Transient electromagnetic assessment of seafloor mineral deposits: a model study [Poster] In: AGU Fall Meeting 2011, 05.12.-09.12.2011, San Francisco, California, USA.


Hölz, S. and Jegen, M. (2011) The resistivity structure of the North Alex Mud Volcano from marine CSEM measurements [Poster] In: 71. Jahrestagung der Deutschen Geophysikalischen Gesellschaft gemeinsam mit der Arbeitsgemeinschaft Extraterrestrische Forschung, 21.02.- 24.02.2011, Köln.

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Sommer, M., Heincke, B., Moorkamp, M., Jegen-Kulcsar, M. and Hölz, S. (2010) Adaption and GPU based parallelization of the code TEMDDD for the 3D modelling of CSEM data [Poster] In: 20th International Electromagnetic Induction Workshop, 19.09.2010, Giza, Egypt.


Lefeldt, M., Hölz, S., Bialas, J. and Brückmann, W. (2010) Long-Wavelength Oscillations at a Mud Volcano in the West Nile Delta [Poster] In: EGU General Assembly 2010, 02.-07.05.2010, Vienna, Austria.


Lefeldt, M., Hölz, S., Bialas, J. and Brückmann, W. (2009) Harmonic oscillations at a mud volcano in the West Nile Delta [Poster] In: AGU Fall Meeting, 14.12.-18.12, San Francisco, California, USA.


Hölz, S. and Jegen-Kulcsar, M. (2008) Preparative model-study for a CSEM-experiment at the North Alex Mud Volcano [Poster] In: 9th ICSG-Meeting, 15.09.-19.09, Bremen.


Brückmann, W., Bialas, J., Brown, K., Feseker, T., Hensen, C., Hölz, S., Jegen, M., Linke, P., Nuzzo, M., Reitz, A. and Scholz, F. (2008) The West Nile Delta mud volcano project [Poster] In: 9th International Conference on Gas in Marine Sediments (ICSG), 15.-19.09.2008, Bremen.

Report - Cruise Report

Report - Weekly report

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Hölz, S. (2019) 3. Wochenbericht POS535 UNSPECIFIED.

Hölz, S. (2019) 2. Wochenbericht POS535 UNSPECIFIED.

Hölz, S. (2019) 1. Wochenbericht POS535 UNSPECIFIED.

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Hölz, S. (2018) 2. Wochenbericht POS524 UNSPECIFIED.

Hölz, S. (2018) 1. Wochenbericht POS524 UNSPECIFIED.

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Hölz, S. (2017) 1. Wochenbericht POS509 UNSPECIFIED.

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Hölz, S. (2017) 2. Wochenbericht POS509 UNSPECIFIED.

This list was generated on Sat Jun 6 20:55:25 2020 CEST.