First evidence of widespread active methane seepage in the Southern Ocean, off the sub-Antarctic island of South Georgia

@article{Rmer2014FirstEO,
  title={First evidence of widespread active methane seepage in the Southern Ocean, off the sub-Antarctic island of South Georgia},
  author={M. R{\"o}mer and M. Torres and S. Kasten and G. Kuhn and A. Graham and S. Mau and C. Little and K. Linse and T. Pape and P. Gepr{\"a}gs and D. Fischer and P. Wintersteller and Y. Marcon and J. Rethemeyer and G. Bohrmann},
  journal={Earth and Planetary Science Letters},
  year={2014},
  volume={403},
  pages={166-177}
}
An extensive submarine cold-seep area was discovered on the northern shelf of South Georgia during R/V Polarstern cruise ANT-XXIX/4 in spring 2013. Hydroacoustic surveys documented the presence of 133 gas bubble emissions, which were restricted to glacially-formed fjords and troughs. Video-based sea floor observations confirmed the sea floor origin of the gas emissions and spatially related microbial mats. Effective methane transport from these emissions into the hydrosphere was proven by… Expand

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