Yes, we have no abyssal mixing
Abstract. A number of indirect means for inferring turbulent mixing have been developed over the past two decades. In particular, a combination of internal wave/wave interaction theory and observations has suggested a relationship between the turbulence dissipation rate ε and levels of the vertical...
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| Format: | Text |
| Language: | English |
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2003
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.434.7088 http://www.soest.hawaii.edu/PubServices/2003pdfs/Kunze.pdf |
| Summary: | Abstract. A number of indirect means for inferring turbulent mixing have been developed over the past two decades. In particular, a combination of internal wave/wave interaction theory and observations has suggested a relationship between the turbulence dissipation rate ε and levels of the vertical wavenumber spectra for shear and strain. Here, we apply a parameterization based on finescale strain variance < ξz 2> to hydrography collected during several WOCE and ACCE cruises in the Southern Ocean, eastern S. Pacific, eastern polar gyre of the N. Atlantic and tropical Indian. Inferred average eddy diffusivities K are consistently O(0.1 × 10 –4 m 2 s –1). 1. |
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