Publications

[8] Hammerschmidt SB, Wiersberg T, Heuer VB, Wendt J, Erzinger J, Kopf A (2014). Real-time drilling mud gas monitoring for qualitative evaluation of hydrocarbon gas composition during deep sea drilling in the Nankai Trough Kumano Basin. Geochemical Transactions 15 (15). doi:10.1186/s12932-014-0015-8

[7] Kopf A, Freudenthal T, Ratmeyer V, Bergenthal M, Lange M, Fleischmann T, Hammerschmidt S, Seiter C, Wefer G (2014) Simple, affordable and sustainable borehole observatories for complex monitoring objectives. Geoscientific Instrumentation, Methods and Data Systems Discussions 4, pp. 653 – 681. doi: 10.5194/gid-4-653-2014

[6] Pape T, Geprägs P, Hammerschmidt S, Wintersteller P, Wei J, Fleischmann T, Bohrmann G, Kopf AJ (2014). Hydrocarbon migration and its sources at mud volcanoes of the Kumano forearc basin, Nankai Trough subduction zone. Geochemistry, Geophysics, Geosystems 15 (6), pp. 2180–2194. doi: 10.1002/2013GC005057

[5] Hammerschmidt SB, Davis EE, Hüpers A, Kopf A (2013b). Limitation of Fluid Flow at the Nankai Trough Megasplay Fault Zone. Geo-Marine Letters 33 (5), pp 405 - 418. doi: 10.1007/s00367-013-0337-z

[4] Hammerschmidt S, Davis EE, Kopf A (2013a). Fluid Pressure and Temperature Transients Detected at the Nankai Trough Megasplay Fault: Results from the SmartPlug Borehole Observatory. Tectonophysics 600, pp 116 - 133. doi:10.1016/j.tecto.2013.02.010

[3] Toczko ST, Kopf AJ, Araki E, the IODP Exp. 332 Scientific Party (2012). The IODP Expedition 332: Eyes on the Prism, The NanTroSEIZE Observatories. Scientific Drilling 14, pp 34 - 38. doi:10.2204/iodp.sd.14.04.2012

[2] Kopf A, Saffer DM, Davis EE, Hammerschmidt S, LaBonte A, Meldrum R, Toczko S, et al. (2011). The SmartPlug and GeniusPlug: Simple retrievable observatory systems for NanTroSEIZE borehole monitoring. In: Kopf A, Araki E, Toczko S, the Expedition 332 Scientists, Proc. IODP, 332: Tokyo (Integrated Ocean Drilling Program Management International, Inc.). doi:10.2204/​iodp.proc.332.105.2011

[1] Kitada K, Araki E, Kimura T, Kinoshita M, Kopf A, Hammerschmidt S, Toczko S, et al. (2011). Drill pipe monitoring of vortex-induced vibration during IODP Expedition 332 observatory installations. In: Kopf A, Araki E, Toczko S, the Expedition 332 Scientists, Proc. IODP, 332: Tokyo (Integrated Ocean Drilling Program Management International, Inc.). doi:10.2204/​iodp.proc.332.106.2011

[13] Hammerschmidt SB, Kopf A (2014). Episodic Deep Fluid Expulsion at Mud Volcanoes in the Kumano Forearc Basin, SE Offshore Japan. Poster presented at the AGU Fall Meeting 2014 in San Francisco, USA

[12] Toczko S, Hammerschmidt SB, Maeda L (2014). Mud Gas Logging in a Deep Borehole: IODP Site C0002, Nankai Trough Accretionary Prism. Poster presented at the AGU Fall Meeting 2014 in San Francisco, USA

[11] Hammerschmidt SB, Toczko S, Kubo Y, Wiersberg T, Fuchida S, Kopf A, Hirose T, Saffer D, Tobin H, the Expedition 348 Scientists (2014). Influence of drilling operations on drilling mud gas monitoring during IODP Exp. 338 and 348. Poster presented at the EGU Spring Meeting 2014 in Vienna, Austria

[10] Hammerschmidt SB, Davis EE, Hüpers A, Araki E, Kopf A (2013). Long-term Borehole Monitoring at the Nankai Trough: Fluid Pressure Data as Proxy for Formation Properties and Seismo-tectonic Processes. Oral Presentation held at the 12th workshop of FKPE AG Bohrlochgeophysik und Gesteinsphysik, Celle, Germany

[9] Hüpers A, Hammerschmidt SB, the Expedition 338 Scientists (2013). Report from IODP Expedition 338: Nankai Trough Seismogenic Zone Experiment Stage 3 – Plate Boundary Deep Riser 2. Poster presented at IODP-ICDP Spring Meeting 2013 in Freiburg, Germany

[8] Hammerschmidt SB, Davis EE, Kopf A (2012). Analysing Long-term Fluid Pressure Data: an Example from the SmartPlug Borehole Observatory. Poster presented at the Conference on Time-series Analysis in Marine Science and Applications for Industry 2012 in Brest, France

[7] Hammerschmidt SB, Davis EE, Kopf A (2012). Implications for Petrophysical and Hydrological Properties of the Nankai Trough Megasplay Fault Based on SmartPlug Borehole Observatory Data. Poster presented at the EGU Spring Meeting 2012 in Vienna, Austria

[6] Hammerschmidt S, Kopf A, Freudenthal T, Ratmeyer V, Bergenthal M, Renken J, Wefer G (2012). The Easy Way of Monitoring Geohazards: The MeBo-CORK as an Affordable Alternative to IODP Borehole Observatories. Oral Presentation held at the Deep-Sea and Sub-Seafloor Frontiers Conference 2012 in Sitges (Barcelona), Spain

[5] Hammerschmidt S, Kopf A (2012). A Wealth of Signals from the Nankai Trough Megasplay Fault as Indicated by Long-term SmartPlug Borehole Observatory Data. Poster presented at the IODP/ICDP Spring Meeting 2012 in Kiel, Germany

[4] Hammerschmidt S, Kopf A, Davis EE, Saffer D, Wheat CG, LaBonte A, Meldrum R, Heesemann M, Macdonald R, Villinger H, Freudenthal T, Ratmeyer V, Bergenthal M, Renken J, Wefer G (2012). The Advantage of Evolving Backwards: Simple CORKs for Beneficial Long-Term Borehole Monitoring at the Nankai Margin. Poster presented at the International Conference on a New Perspective of Great Earthquakes along Subduction Zones 2012, Kochi, Japan

[3] Hammerschmidt S, Kopf A, the Expedition 332 Scientists (2011). Fluid Pressure and Temperature Response at the Nankai Trough Megasplay Fault: Initial Results of the SmartPlug Borehole Observatory. Poster presented at the AGU Fall Meeting 2011 in San Francisco, USA

[2] Kopf A, Araki E, Toczko S, Hammerschmidt S, the Expedition 332 Science Party (2011). IODP Expedition 332 - NanTroSEIZE Stage 2: Riserless Observatory. Oral presentation held at the IODP/ICDP Spring Meeting 2011 in Münster, Germany

[1] Kopf A, Hammerschmidt S, Villinger H (2011). SmartPlug and GeniusPlug – Two Simple Borehole Observatories and Their Application in NanTroSEIZE. Poster presented at the IODP/ICDP Spring Meeting 2011 in Münster, Germany