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Title

A modelling approach to the Redfield ratio deviations in the ocean

AuthorsRíos, Aida F. ; Fraga, Fernando ; Figueiras, F. G. ; Pérez, Fiz F.
KeywordsRedfield ratio
Stoichiometry
NO
CO
NCO
Organic matter
Issue Date30-Jun-1998
PublisherConsejo Superior de Investigaciones Científicas (España)
CitationScientia Marina 62(1-2): 169-176 (1998)
AbstractA study of the relationship among -O2, ΔN and ΔC was developed when the production or mineralisation of particulate organic matter do not follow the Redfield ratios. A dinoflagellate red tide and a diatom spring bloom are shown as two cases where these Redfield deviations can be found. We propose a new useful tool for modelling water mass mixing and net community production budgets, which includes a chemical parameter ("NCO" = O2 + RN⋅NO3(1-RCS/RC) + RCS⋅CO2) of general application where "NCO" indicates the involved variables (Nitrate-CO2-Oxygen). RN and RC are the fixed Redfield ratios and RCS is the relationship between oxygen consumed and CO2 assimilated corresponding to storage substances. The RCS value depends on the nature of the storage substances. Generally these substances are carbohydrates and the value of RCS=1.
Description8 pages, 6 figures.
Publisher version (URL)http://dx.doi.org/10.3989/scimar.1998.62n1-2169
URIhttp://hdl.handle.net/10261/23365
DOI10.3989/scimar.1998.62n1-2169
ISSN0214-8358
E-ISSN1886-8134
Appears in Collections:(IIM) Artículos
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