Theoretical analysis and optimization of nonlinear ODE systems for marine ecosystem models.

Heinle, Anna and Slawig, Thomas (2013) Theoretical analysis and optimization of nonlinear ODE systems for marine ecosystem models. System Modelling and Optimization . pp. 501-510. DOI 10.1007/978-3-642-36062-6_50.

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Abstract

We present the investigation of a biogeochemical marine ecosystem model used as part of the climate change research focusing on the enhanced carbon dioxid concentration in the atmosphere. Numerical parameter optimization has been performed to improve represention of observational data using data assimilation techniques. Several local minima were found but no global optimum could be identified. To detect the actual capability of the model in simulating natural systems, a theoretical analysis of the model equations is conducted. Here, basic properties such as continuity and positivity of the model equations are investigated.

Document Type: Article
Research affiliation: OceanRep > The Future Ocean - Cluster of Excellence > FO-R05
Kiel University
Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence > FO-R11
OceanRep > The Future Ocean - Cluster of Excellence
Refereed: Yes
DOI etc.: 10.1007/978-3-642-36062-6_50
Projects: Future Ocean
Date Deposited: 30 Jan 2017 10:06
Last Modified: 03 Apr 2017 13:37
URI: http://oceanrep.geomar.de/id/eprint/35026

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