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Bergen Open Research Archive

Browsing Geophysical Institute by Author "Alendal, Guttorm"

Bergen Open Research Archive

Browsing Geophysical Institute by Author "Alendal, Guttorm"

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  • Rygg, Kristin; Alendal, Guttorm; Haugan, Peter Mosby (Journal article, Springer-Verlag, 2011)
    Homogeneous, nonrotating flow over a backward-facing rounded step is simulated using the 2D vertical version of two general circulation models, a z-coordinate model—the Massachusetts Institute of Technology general ...
  • Enstad, Lars Inge; Alendal, Guttorm; Haugan, Peter Mosby (Journal article, Elsevier, 2009-02)
    Natural leakages of CO2 are reported in the literature at mid ocean ridges and CH4 seepages in hydrocarbon rich ares. These could potentially serve as natural analogues of leakages from CO2 storages. In this study we have ...
  • Haugan, Peter Mosby; Brewer, Peter G.; Peltzer, Edward T.; Walz, Peter; Aya, Izuo; Yamane, Kenji; Kojima, Ryuji; Nakajima, Yasuharu; Nakayama, Noriko; Hove, Joakim; Johannessen, Truls; Bellerby, Richard G. J.; Alendal, Guttorm (Journal article, Elsevier, 2005)
    Observations from small-scale (20 to 90 litres) CO2 experiments conducted off the coast of California at 684 m depth and at 3942 m depth are discussed. In both experiments, when the seawater velocity was sufficiently strong, ...
  • Gangstø, Reidun; Haugan, Peter Mosby; Alendal, Guttorm (Journal article, American Geophysical Union, 2005-05-24)
    In this work the dynamics and dissolution of a hydratecovered CO2 drop were studied, using a numeric model and data from one of very few CO2 experiments performed in the real ocean. A theory including the standard drag ...
  • Botnen, Helle Augdal; Omar, Abdirahman; Aavatsmark, Ivar; Alendal, Guttorm; Johannessen, Truls (Journal article, Elsevier, 2013)
    Span and Wagner equation of state (SW EOS) have been used to investigate changes in the thermodynamic properties of CO2 during a depressurization process from a pipeline into marine environment. The process is assumed to ...
  • Rygg, Kristin; Enstad, Lars Inge; Alendal, Guttorm; Haugan, Peter Mosby (Journal article, Elsevier, 2009-02)
    At 3000 meters depth liquid CO2 is denser than seawater and hence will be stored as a “lake” on the deep ocean floor, which is expected to gradually be dissolved in seawater. Ocean currents and turbulence will influence ...
  • Haugan, Peter Mosby; Alendal, Guttorm (Journal article, American Geophysical Union, 2005-09-21)
    If liquid CO2 is stored as a dense ‘‘lake’’ on the deep ocean floor, it is expected to dissolve in seawater. Ocean currents and turbulence can increase the net rate of CO2 release by several orders of magnitude compared ...

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