Articles | Volume 12, issue 9
Biogeosciences, 12, 2641–2654, 2015
Biogeosciences, 12, 2641–2654, 2015

Research article 06 May 2015

Research article | 06 May 2015

Peruvian upwelling plankton respiration: calculations of carbon flux, nutrient retention efficiency, and heterotrophic energy production

T. T. Packard et al.

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Cited articles

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Ar\'istegui, J., Gasol, J., Duarte, C., and Herndl, G.: Microbial oceanography of the dark ocean's pelagic realm, Limnol. Oceanogr., 54, 1501–1529, 2009.
Arrieta, J., Mayol, E., Hansman, L., Herndl, G., Dittmar, T., and Duarte, C.: Dilution limits dissolved organic carbon utilization in the deep ocean, Science, 1258955,, 2015.
Barber, R., Dugdale, R., MacIsaac, J., and Smith, R.: Variations in phytoplankton growth associated with the source and conditioning of upwelling water, Investig. Pesq., 35, 171–193, 1971.
Barber, R., Huntsman, S., Kogelschatz, J., Smith, W., and Jones, B.: Coastal Upwelling Ecosystems Analysis. Data Report 49. Carbon, Chlorophyll and Light Extinction from JOINT II, vol. 49, CUEA Data Rep., 1978.
Short summary
Ocean carbon flux, seafloor respiration, and seafloor carbon burial are calculated from plankton respiration. Based on this respiration, a new parameter, the heterotrophic energy production - the rate of ATP generated in seawater, is calculated, and a new concept, the nutrient retention efficiency (NRE), and its ocean variability, is developed and demonstrated. Finally, the curvature of the respiration profile is discovered to be the control - key for NRE and carbon flux.
Final-revised paper