Image:AYool WOA AOU 180E.png

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[edit] Summary

Annual mean dissolved oxygen (upper panel) and apparent oxygen utilisation (lower panel) from the World Ocean Atlas 2005. The data plotted show a meridional section running north-south at 180°E (approximately the centre of the Pacific Ocean). White regions indicate section bathymetry. The plot was produced using MATLAB.

While dissolved oxygen concentrations are necessarily always positive, apparent oxygen utilisation can be both positive and negative (shown here in magenta). Positive values indicate regions where oxygen has been consumed to concentrations below its equilibrium saturation concentration. Negative values indicate regions in which the dissolved oxygen concentration is elevated above its equilibrium saturation concentration, typically in near-surface euphotic waters by primary production and the resulting oxygen evolution.

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I, the copyright holder of this work, hereby publish it under the following licenses: Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. This work is licensed under the Creative Commons Attribution 3.0 License. You may select the license of your choice.

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