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Publications

Journal articles (peer reviewed)

Blumenberg, M, Schlömer, S, Reinhardt, L, Scheeder, G, Pape, T and Römer, M (2022) Biomarker insights into a methane-enriched Holocene peat-setting from “Doggerland” (central North Sea). The Holocene. 095968362211069. doi:10.1177/09596836221106958

Linse, K, Römer, M, Little, CTS, Marcon, Y and Bohrmann, G (2022) Megabenthos habitats influenced by nearby hydrothermal activity on the Sandwich Plate, Southern Ocean. Deep Sea Research Part II: Topical Studies in Oceanography, 198. 105075. doi:10.1016/j.dsr2.2022.105075

Marcon, Y, Römer, M, Scherwath, M, Riedel, M, Dølven, KO and Heesemann, M (2022) Variability of marine methane bubble emissions on the Clayoquot Slope, offshore Vancouver Island, between 2017 and 2021. Frontiers in Earth Science, 10. doi:10.3389/feart.2022.864809

Riedel, M, Scherwath, M, Römer, M, Paull, CK, Lundsten, EM, Caress, D, Brewer, PG, Pohlman, JW, Lapham, LL, Chapman, NR, Whiticar, MJ, Spence, GD, Enkin, RJ and Douglas, K (2022) Barkley Canyon gas hydrates: a synthesis based on two decades of seafloor observation and remote sensing. Frontiers in Earth Science, 10. doi:10.3389/feart.2022.852853

Betlem, P, Roy, S, Birchall, T, Hodson, A, Noormets, R, Römer, M, Skogseth, R and Senger, K (2021) Modelling of the gas hydrate potential in Svalbard’s fjords. Journal of Natural Gas Science and Engineering, 94. 104127. doi:10.1016/j.jngse.2021.104127

Hsu, CW, Marcon, Y, Römer, M, Pape, T, Klaucke, I, Loher, M, Wintersteller, P, MacDonald, IR, dos Santos Ferreira, C and Bohrmann, G (2021) Heterogeneous hydrocarbon seepage at Mictlan asphalt knoll of the southern Gulf of Mexico. Marine and Petroleum Geology, 132. 105185. doi:10.1016/j.marpetgeo.2021.105185

Römer, M, Blumenberg, M, Heeschen, K, Schloemer, S, Müller, H, Müller, S, Hilgenfeldt, C, Barckhausen, U and Schwalenberg, K (2021) Seafloor methane seepage related to salt diapirism in the northwestern part of the German North Sea. Frontiers in Earth Science, 9. doi:10.3389/feart.2021.556329

Wunder, LC, Aromokeye, DA, Yin, X, Richter-Heitmann, T, Willis-Poratti, G, Schnakenberg, A, Otersen, C, Dohrmann, I, Römer, M, Bohrmann, G, Kasten, S and Friedrich, MW (2021) Iron and sulfate reduction structure microbial communities in (sub-)Antarctic sediments. The ISME Journal. doi:10.1038/s41396-021-01014-9

Klügel, A, Villinger, H, Römer, M, Kaul, N, Krastel, S, Lenz, KF and Wintersteller, P (2020) Hydrothermal activity at a Cretaceous seamount, Canary Archipelago, caused by rejuvenated volcanism. Frontiers in Marine Science, 7. doi:10.3389/fmars.2020.584571

Römer, M, Sahling, H, dos Santos Ferreira, C and Bohrmann, G (2020) Methane gas emissions of the Black Sea—mapping from the Crimean continental margin to the Kerch Peninsula slope. Geo-Marine Letters, 40. 467-480. doi:10.1007/s00367-019-00611-0

Hsu, CW, MacDonald, IR, Römer, M, Pape, T, Sahling, H, Wintersteller, P and Bohrmann, G (2019) Characteristics and hydrocarbon seepage at the Challenger Knoll in the Sigsbee Basin, Gulf of Mexico. Geo-Marine Letters, 39(5). 391-399. doi:10.1007/s00367-019-00595-x

Roy, S, Senger, K, Hovland, M, Römer, M and Braathen, A (2019) Geological controls on shallow gas distribution and seafloor seepage in an Arctic fjord of Spitsbergen, Norway. Marine and Petroleum Geology, 107. 237-254. doi:10.1016/j.marpetgeo.2019.05.021

Römer, M, Hsu, CW, Loher, M, MacDonald, IR, dos Santos Ferreira, C, Pape, T, Mau, S, Bohrmann, G and Sahling, H (2019) Amount and fate of gas and oil discharged at 3400 m water depth from a natural seep site in the southern Gulf of Mexico. Frontiers in Marine Science, 6. doi:10.3389/fmars.2019.00700

Scherwath, M, Thomsen, L, Riedel, M, Römer, M, Chatzievangelou, D, Schwendner, J, Duda, A and Heesemann, M (2019) Ocean observatories as a tool to advance gas hydrate research. Earth and Space Science. doi:10.1029/2019EA000762

Wu, T, Sahling, H, Feseker, T, Rendle-Bühring, R, Wei, J, Wintersteller, P, Marcon, Y, Pape, T, Römer, M and Bohrmann, G (2019) Morphology and activity of the Helgoland Mud Volcano in the Sorokin Trough, northern Black Sea. Marine and Petroleum Geology, 99. 227-236. doi:10.1016/j.marpetgeo.2018.10.017

Loher, M, Marcon, Y, Pape, T, Römer, M, Wintersteller, P, dos Santos Ferreira, C, Praeg, D, Torres, M, Sahling, H and Bohrmann, G (2018) Seafloor sealing, doming, and collapse associated with gas seeps and authigenic carbonate structures at Venere mud volcano, Central Mediterranean. Deep Sea Research Part I: Oceanographic Research Papers, 137. 76-96. doi:10.1016/j.dsr.2018.04.006 PANGAEA Supplementary Data

Loher, M, Pape, T, Marcon, Y, Römer, M, Wintersteller, P, Praeg, D, Torres, M, Sahling, H and Bohrmann, G (2018) Mud extrusion and ring-fault gas seepage – upward branching fluid discharge at a deep-sea mud volcano. Scientific Reports, 8(1). doi:10.1038/s41598-018-24689-1 PANGAEA Supplementary Data

Riedel, M, Scherwath, M, Römer, M, Veloso, M, Heesemann, M and Spence, GD (2018) Distributed natural gas venting offshore along the Cascadia margin. Nature Communications, 9(1). doi:10.1038/s41467-018-05736-x

Graham, AGC, Kuhn, G, Meisel, O, Hillenbrand, CD, Hodgson, DA, Ehrmann, W, Wacker, L, Wintersteller, P, dos Santos Ferreira, C, Römer, M, White, D and Bohrmann, G (2017) Major advance of South Georgia glaciers during the Antarctic Cold Reversal following extensive sub-Antarctic glaciation. Nature Communications, 8. 14798. doi:10.1038/ncomms14798 PANGAEA Supplementary Data

Mau, S, Römer, M, Torres, ME, Bussmann, I, Pape, T, Damm, E, Geprägs, P, Wintersteller, P, Hsu, CW, Loher, M and Bohrmann, G (2017) Widespread methane seepage along the continental margin off Svalbard - from Bjørnøya to Kongsfjorden. Scientific Reports, 7. 42997. doi:10.1038/srep42997 PANGAEA Supplementary Data

Römer, M, Wenau, S, Mau, S, Veloso, M, Greinert, J, Schlüter, M and Bohrmann, G (2017) Assessing marine gas emission activity and contribution to the atmospheric methane inventory: A multidisciplinary approach from the Dutch Dogger Bank seep area (North Sea). Geochemistry, Geophysics, Geosystems. doi:10.1002/2017GC006995 PANGAEA Supplementary Data

Geprägs, P, Torres, ME, Mau, S, Kasten, S, Römer, M and Bohrmann, G (2016) Carbon cycling fed by methane seepage at the shallow Cumberland Bay, South Georgia, sub-Antarctic. Geochemistry, Geophysics, Geosystems, 17(4). 1401-1418. doi:10.1002/2016GC006276 PANGAEA Supplementary Data

Römer, M, Riedel, M, Scherwath, M, Heesemann, M and Spence, GD (2016) Tidally controlled gas bubble emissions: A comprehensive study using long-term monitoring data from the NEPTUNE cabled observatory offshore Vancouver Island. Geochemistry, Geophysics, Geosystems, 17(9). 3797-3814. doi:10.1002/2016GC006528 PANGAEA Supplementary Data

Sahling, H, Borowski, C, Escobar-Briones, E, Gaytán-Caballero, A, Hsu, CW, Loher, M, MacDonald, I, Marcon, Y, Pape, T, Römer, M, Rubin-Blum, M, Schubotz, F, Smrzka, D, Wegener, G and Bohrmann, G (2016) Massive asphalt deposits, oil seepage, and gas venting support abundant chemosynthetic communities at the Campeche Knolls, southern Gulf of Mexico. Biogeosciences, 13(15). 4491-4512. doi:10.5194/bg-13-4491-2016 PANGAEA Supplementary Data

Mau, S, Gentz, T, Körber, JH, Torres, ME, Römer, M, Sahling, H, Wintersteller, P, Martinez, R, Schlüter, M and Helmke, E (2015) Seasonal methane accumulation and release from a gas emission site in the central North Sea. Biogeosciences, 12(18). 5261-5276. doi:10.5194/bg-12-5261-2015 PANGAEA Supplementary Data

Fink, HG, Strasser, M, Römer, M, Kölling, M, Ikehara, K, Kanamatsu, T, Dinten, D, Kioka, A, Fujiwara, T, Kawamura, K, Kodaira, S and Wefer, G (2014) Evidence for mass transport deposits at the IODP JFAST-Site in the Japan Trench. In: Krastel, S, Behrmann, JH, Völker, D, Stipp, M, Berndt, C, Urgeles, R, Chaytor, J, Huhn, K, Strasser, M and Bonnevie Harbitz, C (eds.) Submarine Mass Movements and Their Consequences. Advances in Natural and Technological Hazards Research, 37. Springer International Publishing, 33-43. doi:10.1007/978-3-319-00972-8_4 PANGAEA Supplementary Data

Römer, M, Sahling, H, Pape, T, dos Santos Ferreira, C, Wenzhöfer, F, Boetius, A and Bohrmann, G (2014) Methane fluxes and carbonate deposits at a cold seep area of the Central Nile Deep Sea Fan, Eastern Mediterranean Sea. Marine Geology, 347. 27-42. doi:10.1016/j.margeo.2013.10.011 PANGAEA Supplementary Data

Römer, M, Torres, M, Kasten, S, Kuhn, G, Graham, AGC, Mau, S, Little, CTS, Linse, K, Pape, T, Geprägs, P, Fischer, D, Wintersteller, P, Marcon, Y, Rethemeyer, J and Bohrmann, G (2014) First evidence of widespread active methane seepage in the Southern Ocean, off the sub-Antarctic island of South Georgia. Earth and Planetary Science Letters, 403. 166-177. doi:10.1016/j.epsl.2014.06.036 PANGAEA Supplementary Data

Sahling, H, Römer, M, Pape, T, Bergès, B, dos Santos Ferreira, C, Boelmann, J, Geprägs, P, Tomczyk, M, Nowald, N, Dimmler, W, Schroedter, L, Glockzin, M and Bohrmann, G (2014) Gas emissions at the continental margin west of Svalbard: mapping, sampling, and quantification. Biogeosciences, 11(21). 6029-6046. doi:10.5194/bg-11-6029-2014 PANGAEA Supplementary Data

Strasser, M, Kölling, M, dos Santos Ferreira, C, Fink, HG, Fujiwara, T, Henkel, S, Ikehara, K, Kanamatsu, T, Kawamura, K, Kodaira, S, Römer, M, Wefer, G, R/V Sonne Cruise SO219A scientists and JAMSTEC Cruise MR12-E01 scientists (2013) A slump in the trench: Tracking the impact of the 2011 Tohoku-Oki earthquake. Geology, 41(8). 935-938. doi:10.1130/G34477.1 PANGAEA Supplementary Data

Römer, M, Sahling, H, Pape, T, Bahr, A, Feseker, T, Wintersteller, P and Bohrmann, G (2012) Geological control and magnitude of methane ebullition from a high-flux seep area in the Black Sea - the Kerch seep area. Marine Geology, 319. 57-74. doi:10.1016/j.margeo.2012.07.005 PANGAEA Supplementary Data

Römer, M, Sahling, H, Pape, T, Spieß, V and Bohrmann, G (2012) Quantification of gas bubble emissions from submarine hydrocarbon seeps at the Makran continental margin (offshore Pakistan). Journal of Geophysical Research-Oceans, 117. C10015. doi:10.1029/2011JC007424 PANGAEA Supplementary Data

  • Betzler, C., Braga, J.C., Jaramillo-Vogel, D., Römer, M., Hübscher, C., Schmiedl, G., Lindhorst, S., 2011. Late Pleistocene and Holocene cool-water carbonates of the Western Mediterranean Sea. Sedimentology, 58: 643-669.
  • Betzler, C., Hübscher, C., Lindhorst, S., Reijmer, J.J.G., Römer, M., Droxler, A.W., Fürstenau, J. and Lüdmann, T., 2009. Monsoon-induced partial carbonate platform drowning (Maldives, Indian Ocean). Geology, 37(10): 867-870.
  • Milker, Y., Schmiedl, G., Betzler, C., Römer, M., Jaramillo-Vogel, D., Siccha, M., 2009. Distribution of recent benthic foraminifera in shelf carbonate environments of the Western Mediterranean Sea. Marine Micropaleontology, 73(3-4): 207-225.

Thesis

Römer, M (2011) Gas bubble emissions at continental margins: Detection, mapping, and quantification. PhD thesis, Elektronische Dissertationen an der Staats- und Universitätsbibliothek Bremen, Germany. urn:nbn:de:gbv:46-00102438-18

Reports

Katsman, R, Römer, M and Lorke, A (2022) Editorial: The lifetime of methane bubbles through sediment and water column. Frontiers in Earth Science, 10. doi:10.3389/feart.2022.993293

Bohrmann, G, Wintersteller, P, dos Santos Ferreira, C, Römer, M and Meinecke, G (2020) Hochauflösende bathymetrische Untersuchungen im Mittelmeer - Eine Schlüsselanalyse zum Verständnis submarinen Schlammvulkanismus. Hydrographische Nachrichten, 10. 28-33. doi:10.23784/HN117-04

Bohrmann, G, Aromokeye, AD, Bihler, V, Dehning, K, Dohrmann, I, Gentz, T, Grahs, M, Hogg, O, Hüttich, D, Kasten, S, Kirschenmann, E, Lange, M, Leymann, T, Linse, K, Loher, M, Malnati, J, Mau, S, Mickoleit, A, Nowald, N, Pape, T, Reuter, C, Rohleder, C, Römer, M, Sahling, H, Stange, N, Torres, M, Vittori, V, von Dobeneck, T, von Neuhoff, H, Weinrebe, W and Wintersteller, P (2017) R/V METEOR Cruise Report M134, Emissions of Free Gas from Cross-Shelf Troughs of South Georgia: Distribution, Quantification, and Sources for Methane Ebullition Sites in Sub-Antarctic Waters, Port Stanley (Falkland Islands) - Punta Arenas (Chile), 16 January - 18 February 2017. Berichte, MARUM – Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 317. 1-220. urn:nbn:de:gbv:46-00106081-12

Mau, S, Torres, ME, Römer, M, Pape, T and Bohrmann, G (2017) Methane release along continental margins: natural process or anthropogenically driven? Methane Hydrate News, 17(2). 5-8.

Sahling, H, Ahrlich, F, Bohrmann, G, Borowski, C, Breitzke, M, Buchheister, S, Büttner, H, Ferreira, C, Gaytán-Caballero, A, Geprägs, P, Groeneveld, J, Hsu, CW, Jiménez Guadarrama, E, Klar, S, Klaucke, I, Klüber, S, Leymann, T, Loher, M, Mai, HA, Mau, S, MacDonald, IR, Marcon, Y, Meinecke, G, Melcher, AC, Morales Dominguez, E, Raeke, A, Rehage, R, Renken, J, Reuter, M, Rohleder, C, Römer, M, Rubin-Blum, M, Schade, T, Schubotz, F, Seiter, C, Smrzka, D, Spiesecke, U, Torres, M, Vittori, V, Von Neuhoff, S, von Wahl, T, Wegener, G, Wiebe, M, Wintersteller, P, Zarrouk, M and Zwicker, J (2017) R/V METEOR Cruise Report M114, Natural hydrocarbon seepage in the southern Gulf of Mexico, Kingston - Kingston, 12 February - 28 March 2015. Berichte, MARUM – Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 315. 1-214. urn:nbn:de:gbv:46-00105897-18

Bohrmann, G, Alvarez, R, Biller, T, Buchheister, S, Büttner, H, Canoni, O, Dehning, K, Ferreira, C, Geprägs, P, Heinken, S, Hüttich, D, Johansen, C, Klar, S, Klüber, S, Leymann, T, Mai, HA, Marcon, Y, Mary, F, Meinecke, G, Menapace, W, Nowald, N, Pape, T, Präg, D, Raeke, A, Rehage, R, Renken, J, Reuter, C, Rohleder, C, Römer, M, Sahling, H, Sans i Coll, C, Schade, T, Seiter, C, Spalek, P, Spiesecke, U, Tamborrino, L, Torres, M, von Wahl, T, Wiebe, M, Wintersteller, P and Zarrouk, M (2015) Report and preliminary results of R/V METEOR cruise M112, Dynamic of Mud Volcanoes and Seeps in the Calabrian Accretionary Prism, Ionian Sea, Catania (Italy) – Catania (Italy), November 6 – December 15, 2014. Berichte, MARUM – Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 306. urn:nbn:de:gbv:46-00104282-14

Bohrmann, G, Aljuhne, A, Dehning, K, Ferreira, C, Feseker, T, Gürcan, ES, Hacioglu, E, Leymann, T, Meinecke, G, Pape, T, Renken, J, Römer, M, Spiesecke, U and von Wahl, T (2014) Report and Preliminary Results of R/V POSEIDON Cruise P462, Izmir - Izmir, 28 October - 21 November, 2013. Gas Hydrate Dynamics of Mud Volcanoes in the Submarine Anaximander Mountains (Eastern Mediterranean). Berichte, MARUM - Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 300(300). urn:nbn:de:gbv:46-00103551-12

Wefer, G, Strasser, M, Besuden, E, Büttner, H, Diekamp, V, Dinten, D, dos Santos Ferreira, C, Fink, HG, Franke, P, Fujiwara, T, Geprägs, P, Ikehara, K, Ishitsuka, K, Kanamatsu, T, Kawamura, K, Kimura, T, Kioka, A, Kitada, K, Klar, S, Kölling, M, Kopiske, E, Mai, HA, Marcon, Y, Meinecke, G, Meyer, P, Osada, Y, Podszun, L, Ratmeyer, V, Renken, J, Römer, M, Sato, T, Schmidt, W, Seiter, C, Wangenheim, L and Zarrouk, M (2014) Report and preliminary results of R/V SONNE Cruise SO219A, Tohoku-Oki Earthquake - Japan Trench, Yokohama - Yokohama, 08.03.2012 - 06.04.2012. Berichte, MARUM – Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen, 301. urn:nbn:de:gbv:46-00103574-16

Meinecke, G, Römer, M, Sahling, H and Bohrmann, G (2012) Hydroacoustic mapping of gas bubble emissions at the Don-Kuban paleo-fan (Black Sea) using ship-mounted and AUV-based sonar systems. In: Proceedings of the 11th European Conference on Underwater Acoustics. Edinburgh, 2.-6. July 2012.

Sahling, H, Bergès, B, Boelmann, J, Dimmler, W, Geprägs, P, Glockzin, M, Kaboth, S, Nowald, N, Pape, T, Römer, M, dos Santos Ferreira, C, Schroedter, L and Tomczyk, M (2012) R/V Heincke Cruise report HE-387. Gas emissions at the Svalbard continental margin. Longyearbyen - Bremerhaven 20. August - 16 September 2012. Berichte aus dem MARUM und dem Fachbereich Geowissenschaften der Universität Bremen, 291. MARUM - Center for Marine Environmental Sciences, Universität Bremen. urn:nbn:de:gbv:46-00103879-13

Conference proceedings

  • Meinecke, G., M. Römer, H. Sahling and G. Bohrmann, 2012. Hydroacoustic mapping of gas bubble emissions at the Don-Kuban paleo-fan (Black Sea) using ship-mounted and AUV-based sonar systems. Proceedings of the 11th European Conference on Underwater Acoustics (ECUA 2012), Edinburgh, Scotland, United Kingdom.
  • Römer, M., Sahling, H., Spiess, V., Bohrmann, G., 2011. The role of gas bubble emissions at deep-water cold seep systems. An examle from the Makran Continental Margin, offshore Pakistan. Proceedings of the 7th International Conference on Gas Hydrates (ICGH 2011), Edinburgh, Scotland, United Kingdom.

Conference abstracts

  • Sahling, Römer, Pape & Bohrmann, 2012. Gas bubble emissions at the Don-Kuban palaeo-fan offshore eastern Crimea Peninsula, Black Sea. GV & Sediment Meeting Hamburg, Germany, September 23-28, 2012.
  • Römer, M., Sahling, H., Pape, T., Bahr, A., Feseker, T., Wintersteller, P., Bohrmann, G., 2012. Intense gas bubble emissions in the Kerch seep area - A newly discovered high-flux seep site in the Black Sea. EGU General Assembly 2012, held 22-27 April, 2012 in Vienna, Austria., p.7384.
  • Römer, M., Sahling, H., Bohrmann, G., 2010. Detection and video-based quantification of methane bubble emissions from the seafloor at the Makran Continental Margin, offshore Pakistan. 10th International Conference on Gas in Marine Sediments, 6-12 September, 2010.
  • Sahling H., Bohrmann G., Pape T., Bruening M., Roemer M., Wagner-Friedrichs M., Spiess V. & Artemov Y. Submarine gas emissions offshore Georgia, Black Sea. 10th International Conference on Gas in Marine Sediments, 6-12 September, 2010.
  • Römer, M., Sahling, H., Bohrmann, G., 2009. Methane bubble emission at the seafloor at the Makran Continental Margin, offshore Pakistan - Flare detection and video-based quantification. GV International Conference 2009, 99th Annual Meeting of the Geologische Vereinigung, Göttingen.
  • Betzler, C., Hübscher, C., Lüdmann, T., Reijmer, J.J.G., Droxler, A., Lindhorst, S., Fürstenau, J., Römer, M., Jaramillo, D., and shipboard scientific party Cruise M74/4, 2008. Carbonate concepts expanded: The Maldives carbonate platform. 26th IAS Meeting of Sedimentology, Bochum, Germany, Schriftenreihe der Deutschen Gesellschaft für Geowissenschaften, 58: 49.
  • Betzler, C., Huebscher, C., Luedmann, T., Reijmer, J., Droxler, A., Lindhorst, S., Römer, M., Jaramillo, D. & Shipboard Scientific Party Cruise M 74/4, 2008. A new view of the Neogene to Quaternary evolution of the Maldives carbonate platform (Indian Ocean). European Geosciences Union General Assembly, Vienna, Austria.
  • Huebscher, C., Betzler, C., Luedmann, T., Reijmer, J., Lindhorst, S., Römer, M. & NEOMA scientific party, 2008. Giant pockmarks in the inner sea of the Maldives carbonate platform (Indian Ocean). European Geosciences Union General Assembly, Vienna, Austria.
  • Betzler, C., Braga, J.-C., Hübscher, C., Lindhorst, S., Jaramillo-Vogel, D., Römer, M., Milker, Y. & Schmiedl, G., 2007. Mediterranean cool-water carbonates revisited: the Holocene neritic carbonates of the western Mediterranean Sea (Project CARBMED). GV International Conference 2007, 97th Annual Meeting of the Geologische Vereinigung, Bremen.
  • Betzler, C., Braga, J.-C., Hübscher, C., Lindhorst, S., Jaramillo-Vogel, D. & Römer, M., 2007. Mediterranean cool-water carbonates revisited: the Holocene neritic carbonates of the western Mediterranean Sea (Project CARBMED). 25th IAS Meeting of Sedimentology, Patras, Greece.