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沿海广义生态系统模型（CGEM）1.0：用于模拟水生生态系统中复杂生物地球化学过程的灵活模型公式

Coastal generalized ecosystem model (CGEM) 1.0: Flexible model formulations for simulating complex biogeochemical processes in aquatic ecosystems.

作者信息

Jarvis Brandon M, Lehrter John C, Lowe Lisa, Penta Bradley, Wan Yongshan, Duvall Melissa, Simmons Cody, Melendez Wilson, Ko Dong S

机构信息

US EPA, Office of Research and Development, 1 Sabine Island Drive, Gulf Breeze, FL 32561, USA.

University of South Alabama and Dauphin Island Sea Lab, Dauphin Island, AL, 36528, USA.

出版信息

Ecol Modell. 2024 Oct 1;496. doi: 10.1016/j.ecolmodel.2024.110831.

DOI:10.1016/j.ecolmodel.2024.110831
PMID:40546757
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12181945/
Abstract

The Coastal Generalized Ecosystem Model (CGEM) is a biogeochemical model developed to study regulating processes of water-column optical properties, water-column and benthic carbon, oxygen, and nutrient cycles, and phytoplankton and zooplankton dynamics. CGEM offers numerous formulations for important rate processes, providing users flexibility in altering model structure. This flexibility also provides a means for evaluating model structural uncertainty and impacts on simulations, which are rarely evaluated with numerical ecosystem models. As an open-source model, CGEM also offers users the option to implement new formulations or modify existing routines. We also provide a full description of the model formulations, state variables, and model parameters in CGEM. Using two published case studies, we explore how different formulations for light attenuation, phytoplankton temperature growth response, and sediment processes impact simulations. We discuss CGEM's role as a new ecosystem model within the modeling community and opportunities to address current and future water quality issues.

摘要

海岸通用生态系统模型（CGEM）是一个生物地球化学模型，旨在研究水柱光学性质、水柱和底栖生物的碳、氧及营养物质循环，以及浮游植物和浮游动物动态的调节过程。CGEM为重要的速率过程提供了多种公式，为用户改变模型结构提供了灵活性。这种灵活性还提供了一种评估模型结构不确定性及其对模拟影响的方法，而数值生态系统模型很少进行此类评估。作为一个开源模型，CGEM还为用户提供了实施新公式或修改现有程序的选项。我们还对CGEM中的模型公式、状态变量和模型参数进行了全面描述。通过两个已发表的案例研究，我们探讨了光衰减、浮游植物温度生长响应和沉积物过程的不同公式如何影响模拟。我们讨论了CGEM作为建模社区中一个新的生态系统模型的作用，以及解决当前和未来水质问题的机会。

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