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Biogeochemistry and physical properties in sediment core HE191_766

Publication Date
DOI: 10.1594/pangaea.314722
  • Calculated From Weight/Volume
  • Density
  • Wet Bulk
  • He191
  • He191/766
  • Heincke
  • Ion Chromatography
  • Methane Flux Control In Ocean Margin Sediments
  • Metrol
  • Porosity
  • Rumohr-Lot
  • Sulphate
  • Water Content Of Wet Mass
  • Biology
  • Chemistry
  • Earth Science
  • Medicine
  • Musicology
  • Physics


Cruise report HE 191 D1.2.4.doc Deliverable 1.2.4 Cruise Report of the cruise to the Skagerrak 12.06. - 22.06. 2003, F.S. Heincke cruise HE 191 Report F.S. HEINCKE – cruise no. HE 191 - 2 Report F.S. Heincke – cruise no HE 191 RV Heincke call sign: DBCK Cruise number: HE 191 Dates of Cruise: 12.06.-22.06.2003 General subject of research: Geology/geochemistry, EU Project METROL (Methane fluxes in ocean margin sediments: microbiological and geochemical control) Port Calls: Bremerhaven: 12.06.2003; 22.06.2003 Institute: Alfred Wegener Institute for Polar and Marine Research Chief Scientist: Dr. Christian Borowski, MPI-Bremen, Celsiusstr. 1, D-28359 Bremen, Germany Tel. +49 421 2028 649, Fax +49 421 2028 580, e- mail [email protected] 1. Cruise objectives This cruise and the scientific work is part of the collaborative project METROL sponsored by the EU (METROL: METhane fluxes in ocean margin sediments: microbiological and geochemical contROL) lead by the MPI-Bremen. Project partners are Germany, Norway, Denmark, UK, The Netherlands, Romania, and Ukraine. In the framework of this project the question is addressed how the methane turnover is regulated in shallow gassy sediments of the European continental margin. Objectives of this cruise were shallow hydro acoustic mapping of subsurface gas plumes and sediment sampling for (i) the quantification of the microbial turnover of methane in gassy sediments as well as the characterisation of the geochemical conditions for the anaerobic methane oxidation; (ii) the characterisation and identification of microorganisms involved in the methane oxidation in aerobic and anaerobic sediment layers. As part of these investigations, characteristic organic molecules are to be identified which can be used as biomarkers for the anaerobic methane oxidising microorganisms. At sites with active methane seepage, additio

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