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Theoretical Analysis and Optimization of Nonlinear ODE Systems for Marine Ecosystem Models

机译:海洋生态系统模型非线性ODE系统的理论分析与优化

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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.
机译:我们目前正在对生物地球化学海洋生态系统模型进行研究,该模型被用作气候变化研究的一部分,重点是提高大气中二氧化碳的浓度。已经使用数据同化技术进行了数值参数优化以改善观测数据的表示。发现了几个局部极小值,但无法确定全局最优值。为了检测模型在模拟自然系统中的实际能力,对模型方程进行了理论分析。在这里,研究了基本性质,例如模型方程的连续性和正性。

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