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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

Vertical diffusivity and consumption rate of dissolved oxygen in the thermocline

Eiji Matsumoto
Geochemical Journal, Vol. 6, No. 2, P. 59-65, 1972


On the basis of the vertical distribution of 3H observed at the Geosecs station (1969) in the Northeast Pacific, the vertical eddy diffusivity in the thermocline was evaluated to be O.16cm2/sec. By using this value and dissolved oxygen profile, the consumption rate of oxygen in the thermocline was estimated to be 3.9 × 10-2 ml/kg/y on an average.

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