Phytoplankton biomass and residual nitrate in the pelagic ecosystem

Platt, Trevor; Broomhead, David S.; Sathyendranath, Shubha; Edwards, Andrew M.; Murphy, Eugene J. ORCID: https://orcid.org/0000-0002-7369-9196. 2003 Phytoplankton biomass and residual nitrate in the pelagic ecosystem. Proceedings of the Royal Society of London, Series A, 459 (2033). 1063-1073. https://doi.org/10.1098/rspa.2002.1079

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Abstract/Summary

We develop and analyse a simple, two-compartment (chlorophyll and nitrate) model of the surface mixed layer of the ocean. The mixed-layer depth is modulated intermittently to simulate the effects of storms. The optical properties of the water column are linked to changes in the chlorophyll biomass. The model can be treated analytically. Mathematical bounds are found for the autotrophic biomass and the residual nitrate in terms of the intensity and frequency of storms and the bio-optical properties of the phytoplankton. The results are discussed in the context of the high-nutrient, low-chlorophyll regimes, where unconsumed nitrate is a persistent occurrence.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1098/rspa.2002.1079
Programmes:	BAS Programmes > Antarctic Science in the Global Context (2000-2005) > Dynamics and Management of Ocean Ecosystems
ISSN:	1364-5021
Additional Keywords:	ocean modelling, high nutrient, low chlorophyll, difference equations, coupled maps
NORA Subject Terms:	Marine Sciences Biology and Microbiology Chemistry
Date made live:	22 Feb 2012 13:01 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/12937

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