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Papers

  • Abegunrin, A., Hepp, D.A., Mörz, T. 2020., Correction of water column height variation on 2D grid high-resolution seismic data using dGPS based methodology. Scientific Reports 10, 18760. doi: 10.1038/s41598-020-75740-z
  • Hepp, D.A., Romero, O.E., Mörz, T., De Pol-Holz, R., Hebbeln, D., 2019. How a river submerges into the sea: a geological record of changing a fluvial to a marine paleoenvironment during early Holocene sea level rise. Journal of Quaternary Science 34(7), 581-592. doi: 10.1002/jqs.3147
  • Stähler, F.T., Hepp, D.A., Kreiter, S., Mörz, T., 2019. Effect of vibratory pile driving on the soil resistance with regard to grain crushing, in Stahlmann, J. (Ed.), Pfahl-Symposium 2019. Mitteilungen des Institus für Grundbau und Bodenmechanik 107. TU Braunschweig, pp 447-454.
  • Coughlan, M., Fleischer, M., Wheeler, A., Hepp, D.A., Hebbeln, D., Mörz, T., 2018. A revised stratigraphic framework for the Quaternary deposits of the German North Sea sector: a geological-geotechnical approach. Boreas 47(1), 80-105. doi:10.1111/bor.12253
  • Moon, V.G., Mills, P.R., Kluger, M.O., Lowe, D.J., Churchman, G.J., de Lange, W.P., Hepp, D.A., Kreiter, S., Mörz, T., 2017. Sensitive pyroclastic soils in the Bay of Plenty, New Zealand: microstructure to failure mechanisms, in Alexander, G.J., Chin, C.Y. (Eds.), Proceedings of the 20th NZGS Symposium, 23-26 Nov 2017. New Zealand Geotechnical Society, Napier, pp. 1-8. more ...
  • Hepp, D.A., Warnke, U., Hebbeln, D., Mörz, T., 2017. Tributaries of the Elbe-Palaeovalley: features of a hidden palaeolandscape in the German Bight, North Sea, in Bailey, G.N., Harff, J., Sakellariou, D. (Eds.), Under the Sea: archaeology and palaeolandscapes of the continental shelf. Coastal Research Library 20. Springer, pp 211-222. doi:10.1007/978-3-319-53160-1_14
  • Kluger. M.O., Moon, V.G., Kreiter, S., Lowe, D.J., Churchman, G.J., Hepp, D.A., Seibel, D., Jorat, M.E., Mörz, T., 2017. A new attraction-detachment model for explaining flow sliding in clay-rich tephras. Geology 45(2), 131-134. doi:10.1130/G38560.1
  • Jorat, E.M., Moon, V.G., Hepp, D.A., Kreiter, S., de Lange, W., Feldmann, S., Mörz, T., 2017. Sub-seafloor investigation of sediments at southern Tauranga Harbour, New Zealand before capital dredging. Journal of Coastal Research 33(2), 227-242. doi:10.2112/JCOASTRES-D-15-00208.1
  • Biryaltseva, T., Hepp, D.A., Kreiter, S., Dyvik, R., 2016. The influence of grain size distribution and grain shape on small strain shear modulus of North Sea Sand, in Ingimarsdóttir, A., Jónsson, A., Sigtryggsdóttir, F.G., Sigursteinsson, H., Ingólfsdóttir, M.H., Erlingsson, S., Sævarsdóttir, Þ., Gunnarsson, Þ.B. (Eds.), Proceedings of the 17th Nordic Geotechnical Meeting, 25-28 May 2016. Icelandic Geotechnical Society, Reykjavik, pp. 387-395. more ...
  • Warnke, U., Hepp, D.A., Mörz, T., 2014. An der Mündung der Urems. Spektrum der Wissenschaften 8/14, 16-18. more ...
  • Hepp, D.A., Otto, D., 2013. Consolidation characteristics of sediments along a shelf-slope transect from IODP Expedition 317, Canterbury Basin, New Zealand, in Fulthorpe, C.S., Hoyanagi, K., Blum, P., Expedition 317 Scientists (Eds.), Proceedings of the Integrated Ocean Drilling Program 137, pp 1-48. doi: 10.2204/iodp.proc.317.203.2013
  • Hepp, D.A., Hebbeln, D., Kreiter, S., Keil, H., Bathmann, C., Ehlers, J., Mörz, T., 2012. An East-West trending Quaternary tunnel valley in the south-eastern North Sea and its seismic-sedimentological interpretation. Journal of Quaternary Science 27(8), 844-853. doi: 10.1002/jqs.2599
  • Kreiter, S., Hepp, D.A., Ossig, B., Hebig, J., Otto, D., Schlue, B.F., Mörz, T., Kopf, A., 2010. Cyclic soil parameters of complex offshore soils: a practical engineering perspective, in Triantafyllidis, T. (Ed.), Workshop Gründung von Offshore-Windenergieanlagen. Veröffentlichungen des Instituts für Bodenmechanik und Felsmechanik am Karlsruher Institut für Technologie. Karlsruher Institut für Technologie, Karlsruhe, pp. 165-181.
  • Hepp, D.A., Mörz, T., 2009. An approach to quantifying Pliocene ace sheet dynamics via slope failure frequencies recorded in Antarctic Peninsula rise sediments. Antarctic Science 21(6), 619-631. doi: 10.1017/S0954102009990289
  • Hepp, D.A., Mörz, T., Hensen, C., Frederichs, T., Kasten, S., Riedinger, N., Hay, W.W., 2009. A late Miocene-early Pliocene Antarctic deepwater record of repeated iron reduction events. Marine Geology 266(1-4), 198-211. doi: 10.1016/j.margeo.2009.08.006
  • Hepp, D.A., Mörz, T., Grützner, J., 2006. Pliocene glacial cyclicity in a deep-sea sediment drift (Antarctic Peninsula Pacific Margin). Palaeogeography, Palaeoclimatology, Palaeoecology 231(1-2), 181-198. doi: 10.1016/j.palaeo.2005.07.030
  • Mörz, T., Kopf, A., Brückmann, W., Fekete, N., Hünerbach, V., Masson, D.G., Hepp, D.A., Suess, E., Weinrebe, W., 2005. Styles and productivity of mud diapirism along the Middle American margin, part I: Margin evolution, segmentation, dewatering and mud diapirism, in Martinelli, G., Panahi, B. (Eds.), Mud Volcanoes, Geodynamics and Seismicity. NATO Science Series IV. Springer, Dordrecht, pp. 35-48.
  • Mörz, T., Fekete, N., Kopf, A., Brückmann, W., Kreiter, S., Hünerbach, V., Masson, D.G., Hepp, D.A., Schmidt, M., Kutterolf, S., Sahling, H., Abegg, F., Spieß, V., Suess, E., Ranero, C.R., 2005. Styles and productivity of mud diapirism along the Middle American margin, part II: Mound Culebra and Mounds 11, and 12, in Martinelli, G., Panahi, B. (Eds.), Mud Volcanoes, Geodynamics and Seismicity. NATO Science Series IV. Springer, Dordrecht, pp. 49-76.

Abstracts

  • Kluger, M.O., Moon, V.G., Kreiter, S., Lowe, D.J., Churchman, G.J., Hepp, D.A., Mörz, T., 2017. Tale of the unexpected: how halloysite predisposes flow sliding. 16th International Clay Conference "Clays from the oceaen to space", Jul 17-21, 2017, Granada [Oral presentation]
  • Kluger, M.O., Moon, G.V., Kreiter, S., Lowe, D.J, Churchman, G.J., Hepp, D.A., Seibel, D., Jorat, E., Mörz, T., 2016. A new attraction-disseverance model for explaining landsliding in clay-rich tephras. NH41B-1783. AGU fall meeting, Dec 12-16, 2016, San Francisco [Poster presentation].
  • Lowe, D.J., Kluger, M.O., Moon, V.G., Kreiter, S., Churchman, G.J., Hepp, D.A., Seibel, D., Jorat, M.E., Mörz, T., 2016. A new attraction-detachment model for explaining landsliding in clay-rich Quaternary tephras, eastern North Island, New Zealand. Australasian Quaternary Association (AQUA) Biennial Conference "Quaternary Perspectives from the City of Volcanoes", Dec 5-9, 2016, University of Auckland, Auckland [Oral presentation].
  • Hepp, D.A., Hebbeln, D., Keil, H., Mörz, T., 2016. Fluvial response to Holocene marine transgression: examples from submerged tributaries to the Elbe-Palaeovalley in the German Bight (North Sea). ECSA 56: Coastal systems in transition, Sep 4-7, 2016, Bremen [Oral presentation].
  • Biryaltseva, T., Hepp, D.A., 2016. On influence of the grain size distribution and the grain shape on the small strain shear modulus of North Sea Sand. 17th Nordic Geotechnical Meeting, May 25-28, 2016, Reykjavik [Poster presentation].
  • Keil, H., Spieß, V., Hepp, D.A., Fan, W., Özmaral, A., Mörz, T., 2014. Imaging shallow structures in the North Sea with tailored shallow water multichannel seismics and subbottom profiling. Near Surface Geoscience 2014 and First Applied Shallow Marine Geophysics Conference, Sep 14-18, 2014, Athens [Oral presentation].
  • Hepp, D.A., Warnke, U., Mörz, T., submitted (2013). Threatened paleo-landscape in the German Bight, North Sea. Under the sea: archeology and palaeolandscapes conference, Sep 23-27, 2013, Szczecin [Oral presentation].
  • Coughlan, M., Mörz, T., Hepp, D.A., Kreiter, S., 2012. Re-evaluating German North Sea stratigraphy from an engineering perspective. International conference of the Geologische Vereinigung and SEDIMENT, September 23rd-28th, 2012, Hamburg, Germany, Sep 23-28, 2012, Hamburg [Oral presentation].
  • Otto, D., Kreiter, S., Hepp, D.A., Mörz, T., 2012. The stratigraphic order of Pleistocene clays determined by the use of their preconsolidation stress. International conference of the Geologische Vereinigung and SEDIMENT, September 23rd-28th, 2012, Hamburg, Germany: Abstract volume, Sep 23-28, 2012, Hamburg [Oral presentation].
  • Zimmermann, R., Feldmann, S., Hepp, D.A., De Pol-Holz, R., Mörz, T., Hebbeln, D., 2012. Early Holocene peat deposits in the German Bight: Selecting ofshore sites for reconstructions of postglacial sea-level rise. International conference of the Geologische Vereinigung and SEDIMENT, September 23rd-28th, 2012, Hamburg, Germany, Sep 23-28, 2012, Hamburg [Oral presentation].
  • Hepp, D.A., Kreiter, S., Otto, D., 2012. Transgressional-regressional erosion on Canterbury Basin, NZ: Estimation of “missing strata” from one-axial consolidation tests Joint Colloquium IODP-ICDP, Mar 7-9, 2012, Kiel [Poster presentation].
  • Hepp, D.A., Kreiter, S., Otto, D., 2011. Transgressional-regressional erosion: estimation of “missing strata” from one-axial consolidation tests. IODP Exp 317 post cruise meeting, Nov 16-18, 2011, Oamaru [Oral presentation].
  • Metzen, J.F., Hepp, D.A., Kreiter, S., Keil, H., Mörz, T., 2011. Discovery of an E-W trending Pleistocene buried valley in the German Bight, southern North Sea. XVIII. INQUA-Congress: Quaternary sciences: the view from the mountains, Jul 20-27, 2011, Bern [Poster presentation].
  • Otto, D., Kreiter, S., Fan, W., Hepp, D.A., Mörz, T., 2011. Estimation of minimum Quarternary ice sheet thicknesses and relative chronology of intersecting buried valleys in the Southern North Sea. XVIII. INQUA-Congress Quaternary sciences: the view from the mountains, Jul 20-27, 2011, Bern [Oral presentation].
  • Zimmermann, R., Feldmann, S., Hepp, D.A., Hebbeln, D., Mörz, T., 2011. Holocene peat deposits in the German Bight, southern North Sea: Extending the reconstruction of the postglacial transgression seaward, 1. XVIII. INQUA-Congress Quaternary sciences: the view from the mountains, Jul 20-27, 2011, Bern [Poster presentation].
  • Hepp, D.A., Kreiter, S., 2011. Geotechnical and sediment physical characterization of glacial-interglacial cycles on a late Miocene to Holocene shelf-slope transect (Canterbury Basin, New Zealand). Joint Colloquium IODP-ICDP, Mar 14-16, 2011, Münster [Poster presentation].
  • Kreiter, S., Mörz, T., Metzen, J.F., Hepp, D.A., Ossig, B., Otto, D., Socko, L.S., Keil, H., Spieß, V., Hebbeln, D., 2010. Site characterization of foundation soil for Offshore Wind Farms: an example from the German North Sea. Geophysical Research Abstracts 12, 13891. EGU General Assembly, May 2-7, 2010, Vienna [Oral presentation].
  • Hepp, D.A., Julius, L., Expedition 317 Scientists, 2010. Preliminary results from IODP Expedition 317 (Canterbury Basin, New Zealand). Joint Colloquium IODP-ICDP, Mar 9-11, 2010, Frankfurt [Poster presentation].
  • Hepp, D.A., Mörz, T., Nöthen, K., 2010. Early Pliocene ice sheet dynamics, ice sheet collapse and evidence for reduction of bottom water circulation along the West Antarctic Peninsula margin (ODP Site 1095). Joint Colloquium IODP-ICDP, Mar 9-11, 2010, Frankfurt [Poster presentation].
  • Ossig, B., Otto, D., Mörz, T., Kopf, A., Schunn, W., Socko, L., Kourey, S., Hepp, D.A., 2010. Ingenieurpraktische Ermittlung zyklischer Bodenparameter für komplexe Offshore Baugrundsituation. Workshop «Gründung von Offshore-Windenergieanlagen», Feb 22-23, 2010, Karlsruhe [Oral presentation].
  • Mörz, T., Hebbeln, D., Keil, H., Hepp, D.A., Schwenk, T., Spieß, V., Ehlers, J., 2009. Formation and infill of recently discovered buried Pleistocene tunnel-valleys in the North Sea. Buried glacial valleys and recent advances in understanding groundwater and hydrocarbon reservoirs (Workshop No. 05): 71st EAGE Conference and Exhibition incorporating SPE EUROPEC 2009, Jun 8-11, 2009, Amsterdam [Oral presentation].
  • Kreiter, S., Mörz, T., Hepp, D.A., Ossig, B., Metzen, J.F., Spieß, V., Keil, H., Schwenk, T., Hebbeln, D., 2009. Geotechnical exploration for offshore wind parks in the North Sea. Nordcluster Workshop, 2009, Kiel [Oral presentation].
  • Hepp, D.A., Mörz, T., Frederichs, T., Brumsack, H.-J., 2009. Magnetic susceptibility loss at glacial-interglacial transitions in the early Pliocene sedimentary record of ODP Site 1095. Joint Colloquium IODP-ICDP, Mar 16-18, 2009, Potsdam [Poster presentation].
  • Schwenk, T., Mörz, T., Keil, H., Spieß, V., Schlue, B.F., Hepp, D.A., Reinhardt, L., 2008. Seismostratigraphic analysis of new high-resolution multichannel seismic data from the Southern North Sea (German Bight). Eos Transaction 89(53), Supplement, NS23A-1147. AGU fall meeting, Dec 15-19, 2008, San Francisco [Oral presentation].
  • Hepp, D.A., Mörz, T., 2008. Late Miocene-Pliocene ice sheet dynamic of the west antarctic Peninsula region: A sedimentary and oceanographic view, AAN-02. 33rd International Geological Congress, Aug 6-14, 2008, Oslo [Oral presentation].
  • Hepp, D.A., Mörz, T., 2008. A late Miocene-early Pliocene deepwater record of cyclic iron reduction events (Antarctic Peninsula Pacific margin, ODP Site 1095). Joint Colloquium IODP-ICDP, Mar 12-14, 2008, Hannover [poster presentation].
  • Hepp, D.A., Mörz, T., 2007. A late Miocene-Pliocene antarctic deepwater record of cyclic iron reduction events (ODP Leg 178 Site 1095). Eos Transaction 88(52), Supplement, PP43C-1534. AGU fall meeting, Dec 10-14, 2007, San Francisco [Poster presentation].
  • Hepp, D.A., Mörz, T., 2007. A late Miocene-Pliocene deepwater record of cyclic ice sheet dynamics and iron reduction events (Antarctic Peninsula Pacific margin). Terra Nostra 1-2, 112. The oceans in the Earth system: international conference 2007 and 97th annual meeting of the Geologische Vereinigung e.V. (GV), Oct 1-5, 2007, Bremen [Poster presentation].
  • Hepp, D.A., Mörz, T., Kasten, S., Hensen, C., Riedinger, N., Thiede, J., Dullo, W.-C., 2007. Cyclic iron reducing events at the Pacific continental margin of the West Antarctic Peninsula (ODP Leg 178 Site 1095). Joint Colloquium IODP-ICDP, Mar 19-21, 2007, Potsdam [Poster presentation].
  • Hepp, D.A., Mörz, T., Thiede, J., Dullo, W.-C., 2006. Cyclic diagenetic alterations in drift sediments (Antarctic Peninsula pacific margin). Geophysical Research Abstracts 8, 5720. EGU General Assembly, Apr 2-7, 2006, Vienna [Poster presentation].
  • Hepp, D.A., Mörz, T., Thiede, J., Dullo, W.-C., 2006. Cyclic sedimentation processes and diagenetic alteration recorded in a deep-sea sediment drift (Antarctic Peninsula Pacific margin). Joint Colloquium IODP-ICDP, Mar 27-29, 2006, Greifswald [Poster presentation].
  • Hepp, D.A., Mörz, T., Thiede, J., Dullo, W.-C., 2005. Pliocene glacial cyclicity and diagenetic effects in a deep-sea sediment drift on the Pacific margin of the Antarctic Peninsula (ODP Leg 178, Site 1095), PP41B-0651. AGU fall meeting, Dec 5-9, 2005, San Francisco [Poster presentation].
  • Hepp, D.A., Mörz, T., Grützner, J., Thiede, J., Dullo, W.-C., 2005. Pliocene glacial cyclicity in deep-sea sediment drifts (Antarctic Peninsula Pacific margin). Geophysical Research Abstracts 7, 6112. EGU General Assembly, Apr 24-29, 2005, Vienna [Poster presentation].
  • Hepp, D.A., Mörz, T., Grützner, J., Thiede, J., Dullo, W.-C., 2005. Early Pliocene glacial cyclicity in deep-sea sediment drifts (Antarctic Peninsula Pacific margin). Joint Colloquium IODP-ICDP, Mar 14-16, 2005, Potsdam [Oral presentation].
  • Hepp, D.A., Mörz, T., Thiede, J., Dullo, W.-C., 2004. Comparison of glacial-interglacial turbidite deposits in West Antarctic Peninsula deep-sea drifts. Terra Nostra 4, 266. XXVIII SCAR Meeting, Jul 25-31, 2004, Bremen [Poster presentation].
  • Hepp, D.A., Mörz, T., Thiede, J., Dullo, W.-C., 2004. Reconstruction of Antarctic ice-sheet history from drift sediments. Geophysical Research Abstracts 6, 6413. EGU General Assembly, Apr 25-30, 2004, Nice [Poster presentation].
  • Hepp, D.A., Mörz, T., Thiede, J., Dullo, W.-C., 2004. Sedimentary glacial and interglacial depositional processes in West Antarctica drift bodies. Joint Colloquium IODP-ICDP (Euro-Forum), Mar 17-19, 2004, Bremen [Poster presentation].
  • Mörz, T., Hepp, D.A., 2003. Quantitative reconstruction of the neogene East and West Antarctic ice sheet history from drift sediments (ODP Leg 178 and Leg 188): A synthesis. Joint Colloquium IODP-ICDP, Mar 26-28, 2003, Mainz [Poster presentation].

Expedition reports

  • Fulthorpe, C.S., Hoyanagi, K., Blum, P., Expedition 317 Scientists, 2011. Canterbury Basin sea level: Expedition 317 of the riserless drilling platform, Townsville, Australia, to Wellington, New Zealand, Sites U1351-U1354, 4 November 2009-3 January 2010. Proceedings of the Integrated Ocean Drilling Program, Expedition Reports 317. PDF
  • Söding, E., Wallmann, K., Suess, E., Flueh, E., Cruise participants, 2003. RV Meteor cruise report M54/2+3: fluids and subduction Costa Rica 2002. SFB 574 Contribution 30. GEOMAR Report 111. GEOMAR, Kiel. PDF