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Does the marine biosphere mix the ocean?

Dewar, W.K.; Bingham, R.J.; Iverson, R.L.; Nowacek, D. P.; St. Laurent, L.C.; Wiebe, P.H.. 2006 Does the marine biosphere mix the ocean? Journal of Marine Research, 64 (4). 541-561. 10.1357/002224006778715720

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Abstract/Summary

Ocean mixing is thought to control the climatically important oceanic overturning circulation. Here we argue the marine biosphere, by a mechanism like the bioturbation occurring in marine sediments, mixes the oceans as effectively as the winds and tides. This statement is derived ultimately from an estimated 62.7 TeraWatts of chemical power provided to the marine environment in net primary production. Various approaches argue something like 1% (.63 TeraWatts) of this power is invested in aphotic ocean mechanical energy, a rate comparable to wind and tidal inputs.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1357/002224006778715720
Programmes: POL Programmes
ISSN: 00222402
NORA Subject Terms: Marine Sciences
Date made live: 21 Aug 2012 14:27
URI: http://nora.nerc.ac.uk/id/eprint/19321

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