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Cruise Reports

Vol. 2 (2014)

CAGE14-5 Cruise Report: Fram Strait – NW Svalbard

  • Jürgen Mienert
  • Giuliana Panieri
  • Friederike Gründger
  • Wei-L. Hong
  • Joel Johnson
  • Andreia Plaza-Faverola
  • Per Jansson
  • Alexey Portnov
  • Kate A. Waghorn
DOI
https://doi.org/10.7557/cage.6922
Submitted
20 January 2023
Published
24-01-2023

Abstract

CAGE 14-5 cruise allowed to study the gas release from gas hydrated sub-seabed environments  at the continental margin off NW and N-Svalbard and the transport and distribution of methane within the water column. We carried out acoustic profiling (18, 38 and 120 kHz) in the water column, CTD water sampling for gas analyses, seismic profiling (mini  GI  guns), bathymetry mapping (EM300), and sediment gravity coring (3m corer). Though water above gas flares may be enriched in methane, methanotrophic microbescan reduce the methane concentrations and thus the amount of methane that may escape from the seabed to the ocean, one of the topics investigated during this cruise

The cruise may be known as: CAGE14_5_JM

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