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Net community production in the North Atlantic Ocean derived from Volunteer Observing Ship data
Ostle, C.; Johnson, M.; Landschützer, P.; Schuster, U.; Hartman, S.; Hull, T.; Robinson, C. (2015). Net community production in the North Atlantic Ocean derived from Volunteer Observing Ship data. Global Biogeochem. Cycles 29(1): 80-95. https://dx.doi.org/10.1002/2014gb004868
In: Global Biogeochemical Cycles. American Geophysical Union: Washington, DC. ISSN 0886-6236; e-ISSN 1944-9224, meer
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| Auteurs | | Top |
- Ostle, C.
- Johnson, M.
- Landschützer, P., meer
- Schuster, U.
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- Hartman, S.
- Hull, T.
- Robinson, C.
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| Abstract |
The magnitude of marine plankton net community production (NCP) is indicative of both the biologically driven exchange of carbon dioxide between the atmosphere and the surface ocean and the export of organic carbon from the surface ocean to the ocean interior. In this study the seasonal variability in the NCP of five biogeochemical regions in the North Atlantic was determined from measurements of surface water dissolved oxygen and dissolved inorganic carbon (DIC) sampled from a Volunteer Observing Ship (VOS). The magnitude of NCP derived from dissolved oxygen measurements (NCPO2) was consistent with previous geochemical estimates of NCP in the North Atlantic, with an average annual NCPO2 of 9.5 6.5 mmol O-2 m(-2) d(-1). Annual NCPO2 did not vary significantly over 35 degrees of latitude and was not significantly different from NCP derived from DIC measurements (NCPDIC). The relatively simple method described here is applicable to any VOS route on which surface water dissolved oxygen concentrations can be accurately measured, thus providing estimates of NCP at higher spatial and temporal resolution than currently achieved. |
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