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2006.19: Phytoplankton biomass and residual nitrate in the pelagic ecosystem

2006.19: Trevor Platt, David S. Broomhead, Shubha Sathyendranath, Andrew M. Edwards and Eugene J. Murphy (2003) Phytoplankton biomass and residual nitrate in the pelagic ecosystem. Proceedings of the Royal Society of London, Series A, 459 (2033). pp. 1063-1073. ISSN 1471-2946

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DOI: 10.1098/rspa.2002.1079

Abstract

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:Article
Uncontrolled Keywords:Ocean Modelling, High Nutrient Low Chlorophyll, Difference Equations, Coupled Maps
Subjects:MSC 2000 > 37 Dynamical systems and ergodic theory
MSC 2000 > 92 Biology and other natural sciences
MIMS number:2006.19
Deposited By:Dr Mark Muldoon
Deposited On:02 March 2006

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