Increasingly important role of numerical modeling in oceanic observation design strategy: A review

Increasingly important role of numerical modeling in oceanic observation design strategy: A review
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数值模拟在海洋观测设计策略中日益重要的作用:综述

DOI:
10.1007/s11430-020-9674-6
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发表时间:
2020-10
期刊:
Science China Earth Sciences
影响因子:
--
通讯作者:
Qiang Wang
Qiang Wang
中科院分区:
其他
文献类型:
--
作者:
Kun Zhang;Mu Mu;Qiang Wang

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海洋观测设计具有重要意义,在过去几十年中取得了显著进展。本研究探讨数值模拟在海洋观测设计中的关键作用。在简要介绍现有海洋观测设计研究特点的基础上,提出了基于模式的观测设计策略的优势,并进一步评述了其决定性贡献。为了证明这种策略的有效性,有针对性的观测应用,使用条件非线性最优扰动(hocP)的方法,以改善黑潮预报。最后,作者提出了通过有针对性地观察敏感模型参数来纠正模型误差以及通过利用多个建模系统来缓解模型依赖性问题的考虑。讨论了利用观测系统模拟实验验证设计观测值以及将基于模型的观测设计策略扩展到海洋气候平均状态观测中的建议。
Oceanic observation design is of considerable significance and has made remarkable progress during the past several decades. This study addresses the critical role of numerical modeling in oceanic observation design. Following a brief introduction of the characteristics of existing oceanic observation design studies, we present the advantages of the model-based observation design strategy and further review its decisive contribution. To demonstrate the effectiveness of this strategy, the targeted observation applications using the conditional nonlinear optimal perturbation (CNOP) approach for improving the Kuroshio predictions are introduced. Finally, the authors present their consideration for correcting model errors by targeted observations of sensitive model parameters and mitigating the model-dependency problem by utilizing multiple modeling systems. Suggestions on using observing system simulation experiments to validate the designed observations and extending the model-based observation design strategy into observing oceanic climatological mean states are also discussed.
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