Recovery of photosynthesis parameters fromin situprofiles of phytoplankton production

Kovač, Ž; Platt, T; Sathyendranath, S; Morović, M; Jackson, T. 2016 Recovery of photosynthesis parameters fromin situprofiles of phytoplankton production. ICES Journal of Marine Science: Journal du Conseil, 73 (2). 275-285.

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We examine a model of the rate of phytoplankton production in the ocean and its dependence on depth. The model is analysed as a function of photosynthesis parameters and it is shown that: (i) production profiles with depth are determined uniquely by the parameter values; (ii) daily water column production is not uniquely determined by the parameter values; (iii) a unique combination of parameters exists for which the model best fits a measured production profile. An inverse procedure is developed to recover photosynthesis parameters from measured profiles of primary production, and its performance tested by application to profiles of primary production collected at the Hawaii Ocean Time Series. For each profile tested, the method is successful in recovery of the photosynthesis parameters. The method can be applied to the estimation of photosynthesis parameters from data on in situ production profiles, which have been collected globally for more than half a century, thereby augmenting the world archive of these parameters for application in ecosystem modelling and estimation of primary production from remotely sensed data.

Item Type: Publication - Article
Additional Keywords: model analysis, model optimization, photosynthesis parameters, phytoplankton production,
Subjects: Biology
Divisions: Plymouth Marine Laboratory > Science Areas > Sea from Space (expired)
Depositing User: Dr Thomas Jackson
Date made live: 26 Feb 2016 14:48
Last Modified: 25 Apr 2020 09:57

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