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Articles | Volume 12, issue 7
Articles | Volume 12, issue 7
https://doi.org/10.5194/bg-12-2063-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/bg-12-2063-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 12, issue 7
Research article
 | 
02 Apr 2015
Research article |  | 02 Apr 2015

Numerical analysis of the primary processes controlling oxygen dynamics on the Louisiana shelf

L. Yu, K. Fennel, A. Laurent, M. C. Murrell, and J. C. Lehrter

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Short summary
Our study suggests that a combination of physical processes and sediment oxygen consumption determine the spatial extent and temporal dynamics of hypoxia on the Louisiana shelf. In summer, stratification isolates oxygen-rich surface waters from hypoxic bottom waters; oxygen outgasses to the atmosphere at this time. A large fraction of primary production occurs below the pycnocline in summer, but this primary production does not strongly affect the spatial extent of hypoxic bottom waters.
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Low oxygen environments in marine, fresh and estuarine...
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