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Nonlinear Processes in Geophysics An interactive open-access journal of the European Geosciences Union
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Volume 24, issue 2
Nonlin. Processes Geophys., 24, 293–305, 2017
https://doi.org/10.5194/npg-24-293-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Current perspectives in modelling, monitoring, and predicting...

Nonlin. Processes Geophys., 24, 293–305, 2017
https://doi.org/10.5194/npg-24-293-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 29 Jun 2017

Research article | 29 Jun 2017

Modeling the dynamical sinking of biogenic particles in oceanic flow

Pedro Monroy et al.

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Azetsu-Scott, K. and Passow, U.: Ascending marine particles: Significance of transparent exopolymer particles (TEP) in the upper ocean, Limnol. Oceanogr., 49, 741–748, https://doi.org/10.4319/lo.2004.49.3.0741, 2004.
Balch, W. M., Bowler, B. C., Drapeau, D. T., Poulton, A. J., and Holligan, P. M.: Biominerals and the vertical flux of particulate organic carbon from the surface ocean, Geophysical Research Letters, 37, L22605, https://doi.org/10.1029/2010GL044640, 2010.
Balkovsky, E., Falkovich, G., and Fouxon, A.: Intermittent Distribution of Inertial Particles in Turbulent Flows, Phys. Rev. Lett., 86, 2790–2793, https://doi.org/10.1103/PhysRevLett.86.2790, 2001.
Bec, J.: Fractal clustering of inertial particles in random flows, Phys. Fluids, 15, 81–84, https://doi.org/10.1063/1.1612500, 2003.
Bec, J., Biferale, L., Cencini, M., Lanotte, A., Musacchio, S., and Toschi, F.: Heavy Particle Concentration in Turbulence at Dissipative and Inertial Scales, Phys. Rev. Lett., 98, 084502, https://doi.org/10.1103/PhysRevLett.98.084502, 2007.
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We study the problem of sinking particles in a realistic oceanic flow, with major energetic structures in the mesoscale, focussing on marine biogenic particles. By using a simplified equation of motion for small particles in a mesoscale velocity field, we estimate the influence of physical processes such as the Coriolis force and the particle's inertia, and we conclude that they represent negligible corrections to passive transport by the flow, with added vertical velocity due to gravity.
We study the problem of sinking particles in a realistic oceanic flow, with major energetic...
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