Work Package: Dredge Samples (DS)

Gordon N. Oakey, Per Trinhammer, Lars Rasmussen, Tommy Kessler, Anders Dahlin, Andreas Madsen, Lasse Eriksen, Trine Andreasen, Thomas Funck, John R. Hopper

Research output: Chapter in Book/Report/Conference proceedingChapter in report


Several potential dredging targets for the Oden Arctic Ocean 2016 expedition were identified by the Canadian science planning team prior to the cruise. Locations were selected based on available multibeam data on the edges of bathymetric ridges and ranked first by largest slope angles, second by expected ice conditions, and finally by distance from Svalbard. In practice, the initial site selections provided only proof-of-concept for the dredging program and none were actually attempted. They did, however, establish specific areas-of-interest (AOIs) that were used in the ship track planning. The three AOIs were the edge of Lomonosov Ridge (adjacent to the Amundsen Basin), Marvin Spur, and Alpha Ridge. In total, five dredging attempts were made (Fig. 3.1); however, the last two sites (#4 and #5) were aborted due to either lack of sea ice (to dock the Oden) or unsuitable ice drift direction. All sites required multibeam mapping to identify slope angles over 25 degrees
Original languageEnglish
Title of host publicationSWEDARCTIC Arctic Ocean 2016
EditorsKatarina Gårdsfeldt, Åsa Lindgren
PublisherSwedish Polar Research Secretariat
Number of pages9
Publication statusPublished - 2017

Programme Area

  • Programme Area 3: Energy Resources


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