Marine Geophysics and Hydroacoustics

Dr. Arne Lohrberg

Scientific Staff

Otto-Hahn-Platz 1, R. 109
Phone: +49 431 880-2113
Telefax: +49 431 880-4432
arne.lohrberg@ifg.uni-kiel.de

Research Interests

  • Detection and quantification of natural gas seeps in the Baltic Sea as well as estimations of resulting methane flux to the water column
  • Bathymetry, Snippet Sidescan and Water Column Imaging using multibeam sonars
  • Split-beam echosounder tracking of gas seeps and evaluation of gas bubble sizes
  • Sediment echosounding
  • Shallow gas in Holocene sediments
  • Pockmarks and their formation
  • Shallow subbottom analysis
  • Glacial paleo landscapes of the North Sea
  • High-resolution marine reflection seismics

Resume

  • since 03/2021 Postdoc at Christian-Albrechts-Universität zu Kiel, Marine Geophysics and Hydroacoustics
  • 05/2017 – 03/2021 PhD student at Christian-Albrechts-Universität zu Kiel, Marine Geophysics and Hydroacoustics
  • 11/2016 – 04/2017 Researcher at Christian-Albrechts-Universität zu Kiel, Marine Geophysics and Hydroacoustics
  • 10/2013 – 04/2016 M.Sc. Geophysics at Christian-Albrechts-Universität zu Kiel
  • 10/2010 – 10/2013 B.Sc. Geosciences at Christian-Albrechts-Universität zu Kiel
  • 10/2008 – 10/2010 B.Sc. Earth System Physics (Meteorology, Oceanography, Geophysics) at Kiel University

Publications and Scientific Communications

  • 03.2021 Dissertation: "Analyses of buried glacial landforms and methane seepage in the North Sea and Baltic Sea"
  • 03.2021 Invited Talk at DGG2021: "Buried glacial landforms in the southeastern North Sea: evidence of a pre-Elsterian glaciation?"
  • 10.2020 Lohrberg, A., Schwarzer, K., Unverricht, D., Omlin, A., & Krastel, S. (2020). Architecture of tunnel valleys in the southeastern North Sea: new insights from high‐resolution seismic imaging. Journal of Quaternary Science35(7), 892-906.
  • 04.2020 Display at EGU2020: "Glaciotectonics and tunnel valleys in the southeastern North Sea imaged by high-resolution multi-channel seismics"
  • 03.2020 Lohrberg, A., Schmale, O., Ostrovsky, I., Niemann, H., Held, P., & von Deimling, J. S. (2020). Discovery and quantification of a widespread methane ebullition event in a coastal inlet (Baltic Sea) using a novel sonar strategy. Scientific reports10(1), 1-13.
  • 2019 Schwarzer, K., Ricklefs, K., Lohrberg, A., & Valerius, J. (2019). Die geologische Entwicklung von Nord-und Ostsee. Die Küste, 87-Online First-Druck März 2021, (87).
  • 11.2019 Talk at conference "From the North Sea Lowlands to the Celtic Edge": "Paleolandscapes and ice-marginal subsurface landforms in the German sector of the southeastern North Sea imaged by closely spaced high-resolution 2D multi-channel reflection seismics"
  • 04.2019 Georgiopoulou, A., Murton, B., Judge, M., Hollis, S., Krastel, S., Lohrberg, A., ... & Klein, E. (2019, April). Submarine landslide geohazards from Oceanic Core Complexes. In EGU General Assembly Conference Abstracts (p. 1935).
  • 04.2018 Poster at EGU2018: "Insights on Germany's west coast shelf architecture imaged by closely spaced high-resolution 2D multi-channel reflection seismics in the German sector of the North Sea"
  • 12.2017 Schneider von Deimling, J., Lohrberg, A., & Mücke, I. (2017, December). Sonar gas seepage characterization using high resolution systems at short ranges. In AGU Fall Meeting Abstracts (Vol. 2017, pp. OS11B-1130).
  • 03.2017 Talk at DGG2017: "Spatial and temporal analysis of gas seep activity in Eckernförde Bay and assessment of its linkage to pockmark morphology and sub-bottom strata using marine acoustic methods"
  • 11.2016 Talk at HYDRO2016: "Analysis of gas seep activity in Eckernförde Bay and assessment of its linkage to pockmarks and sub-bottom strata"
  • 06.2016 „Spatial and temporal analysis of gas seep activity in Eckernförde Bay“. Hydrographische Nachrichten HN104 (06-2016), pp. 16-19.

Expeditions

  • RV Maria S. Merian – January/February 2021 – HELGLA – Evolution of the Heligoland Glaciotectonic complex, North Sea, and total lateral extent and age of the giant buried Tampen Slide off Norway
  • RV Maria S. Merian - MSM84 – Labrador Shelf / Lake Melville
  • RV Meteor - M154-1 - April 2019 - SEKT - Sector collapse kinematics and tsunami implications
  • RV Alkor – AL514 – August 15th to August 22nd 2018, Student intership cruise to introduce hydroacoustic and seismic mapping techniques to bachelor and master students
  • RV Celtic Explorer – CE18008 TOSCA – May 13th to June 8th 2018, Tectonic Ocean Spreading at the Charlie-Gibbs Fracture Zone at the mid-Atlantic Ridge, responsible for 2D reflection seismics operations
  • RV Alkor – AL496 – July 1st to 12th 2017, German Sector Eastern North Sea Shelf Architecture
  • RV Heincke – HE486 – May 9th to 17th 2017, Investigating the hydroacoustic respone of benthic worm L. conchilega
  • RV Littorina – LI16-12 – July 2016 – Eckernförde Bay
  • RV Alkor – AL447 – October/November 2014 – Controls on methane seepage in the Baltic Sea
  • ICDP Deep Drilling Campaign SCOPSCO (Scientific Collaboration on Past Speciation Conditions in Lake Ohrid) – Mar./Apr. 2013 – Ohrid, Macedonia

 

Thesis

  • 2021 Analyses of buried glacial landforms and methane seepage in the North Sea and Baltic Sea (Dissertation)
  • 2016 Spatial and temporal analysis of gas seep activity in Eckernförde Bay and assessment of its linkage to pockmark morphology and sub-bottom strata using marine acoustic methods (Master Thesis)
  • 2013 Correlation of Magnetic Susceptibility and Seismic Data at Lake Ohrid (Albania/Macedonia) (Bachelor Thesis)