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  The horizontal diffusion of tracers by surface waves

Herterich, K., & Hasselmann, K. (1982). The horizontal diffusion of tracers by surface waves. Journal of Physical Oceanography, 12, 704-711. doi:10.1175/1520-0485(1982)012<0704:THDOTB>2.0.CO;2.

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JPO-12-1982-704.pdf (Publisher version), 641KB
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JPO-12-1982-704.pdf
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Herterich, Klaus1, Author
Hasselmann, Klaus1, Author           
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1MPI for Meteorology, Max Planck Society, ou_913545              

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 Abstract: The horizontal dispersion of tracers in the presence of a random field of ocean surface waves is examined. Random fluctuations in the local Stokes-drift current cause a water particle to follow a random-walk path. The associated diffusion coefficients for individual particles, particle pairs and a continuous tracer patch can be calculated rigorously within the framework of perturbation analysis. For a fully developed Pierson-Moskowitz wave spectrum all diffusion coefficients scale as the third power of the wind speed and are typically of the order 10−2 m2 s−1 for a wind speed of 10 m s−1. The diffusion coefficients are strongly anisotropic and decrease approximately exponentially with depth below the sea surface.

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Language(s): eng - English
 Dates: 1982
 Publication Status: Issued
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 Rev. Type: Peer
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Title: Journal of Physical Oceanography
  Other : J. Phys. Ocean.
Source Genre: Journal
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Publ. Info: Boston, MA : American Meteorological Society
Pages: - Volume / Issue: 12 Sequence Number: - Start / End Page: 704 - 711 Identifier: ISSN: 0022-3670
CoNE: https://pure.mpg.de/cone/journals/resource/954925417986