Articles | Volume 12, issue 7
https://doi.org/10.5194/bg-12-2063-2015
https://doi.org/10.5194/bg-12-2063-2015
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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Cited articles

Bianchi, T. S., DiMarco, S. F., Cowan Jr., J. H., Hetland, R. D., Chapman, P., Day, J. W., and Allison, M. A.: The science of hypoxia in the Northern Gulf of Mexico: A review, Sci. Total Environ., 408, 1471–1484, 2010.
Bierman, V. J., Hinz, S. C., Zhu, D. W., Wiseman, W. J. Jr., Rabalais, N. N., and Turner, R. E.: Preliminary mass balance model of primary productivity and dissolved oxygen in the Mississippi River plume/inner gulf shelf region, Estuar., 17, 886–899, 1994.
Boyer, T. P., Antonov, J. I., Garcia, H. E., Johnson, D. R., Locarnini, R. A., Mishonov, A. V., Pitcher, M. T., Baranova, O. K., and Smolyar, I. V.: World Ocean Database 2005, edited by: Levitus, S., NOAA Atlas NESDIS 60, US Government Printing Office, Washington, DC, DVDs, 190 pp., 2006.
Breed, G. A., Jackson, G. A., and Richardson T. L.: Sedimentation, carbon export and food web structure in the Mississippi River plume described by inverse analysis, Mar. Ecol. Prog. Ser., 278, 35–51, 2004.
Cerco, C. F.: Response of Chesapeake Bay to nutrient load reductions, J. Environ. Eng., 121, 549–557, 1995.
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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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