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Abrupt transitions in dynamics of a NPZD model across Southern Ocean fronts

C. Robert Priester, Jessica Melbourne-Thomas, Andreas Klocker and Stuart Corney

Ecological Modelling, 2017, vol. 359, issue C, 372-382

Abstract: The Southern Ocean is the largest high nutrient, low chlorophyll region in the global ocean and is subject to strong iron limitation. Iron availability is associated with the interaction between the Antarctic Circumpolar Current (ACC) and topographic features such as the Kerguelen Plateau in the Indian Sector of the Southern Ocean. The fronts of the ACC also provide important environmental delineations for Southern Ocean ecosystem structure. Here, we implement a NPZD (nitrogen, phytoplankton, zooplankton, detritus) model together with an optimal control algorithm along three meridional transects across the Antarctic Circumpolar Current. Our study represents the first spatial application of this model, and considers potential environmental drivers of parameter variability and community dynamics.

Keywords: NPZD model; Southern ocean; Circumpolar fronts; Optimal control; System limitation (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:359:y:2017:i:c:p:372-382

DOI: 10.1016/j.ecolmodel.2017.05.030

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