The Idea and Concept of METOS3D– A Marine Ecosystem Toolkitfor Optimization and Simulation in 3-D

Piwonski, Jaroslaw and Slawig, Thomas (2010) The Idea and Concept of METOS3D– A Marine Ecosystem Toolkitfor Optimization and Simulation in 3-D TR 1016 . Christian-Albrechts-Universität zu Kiel, Kiel.

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Abstract

The simulation and parameter optimization of coupled ocean circulation andecosystem models in three space dimensions is one of the most challenging tasksin numerical climate research. Here we present a scientific toolkit that aims atsupporting researchers by defining clear coupling interfaces, providing state-of-the-art numerical methods for simulation, parallelization and optimization whileusing only freely available and (to a great extend) platform-independent software.Besides defining a user-friendly coupling interface (API) for marine ecosystem orbiogeochemical models, we heavily rely on the Portable, Extensible Toolkit forScientific computation (PETSc) developed in Argonne Nat. Lab. [1] for a widevariety of parallel linear and non-linear solvers and optimizers. We specificallyfocus on the usage of matrix-free Newton-Krylov methods for the fast computa-tion of steady periodic solutions, and make use of the Transport Matrix Method(TMM) introduced by Khatiwala et al. in [8]

Document Type: Report (Research Report)
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Projects: Future Ocean
Date Deposited: 27 Aug 2019 09:34
Last Modified: 27 Aug 2019 09:34
URI: http://eprints.uni-kiel.de/id/eprint/47581

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