联合国海洋十年项目 SynObs 的国际多系统 OSEs/OSSEs 及其早期成果

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-10-30 DOI:10.3389/fmars.2024.1476131
Yosuke Fujii, Elisabeth Remy, Magdalena Alonso Balmaseda, Shoichiro Kido, Jennifer Waters, K. Andrew Peterson, Gregory C. Smith, Ichiro Ishikawa, Kamel Chikhar
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引用次数: 0

摘要

"海洋预报协同观测网络(SynObs)"于 2022 年启动,是联合国海洋科学促进可持续 发展十年的一个项目,旨在评估海洋观测系统的重要性,共同设计海洋观测网络的未来发 展。目前,SynObs 正在领导旗舰项目 OSEs/OSSEs,这是一项国际协调活动,利用各种海洋和大气-海洋耦合预报系统进行观测系统实验(OSEs)和观测系统模拟实验(OSSEs),以评估海洋观测对大多数预报系统的影响。旗舰 OSEs/OSSEs 包括用于高分辨率海洋预报的海洋预报(OP)OSEs、用于长期提前期海洋大气耦合预报的亚季节到季节(S2S)OSEs 和用于评估新的和未来观测系统的 OP OSSEs。SynObs 计划利用旗舰 OSEs 的结果,为国际组织和项目所做的海洋观测网络设计报告做出贡献。在此,我们将介绍这一倡议,并报告一些初步结果。通过对业务化海洋观测系统分析运行的初步分析,我们发现四个海洋预报系统的一些观测影响是一致的。例如,测高数据对同化海面高度(SSH)场的影响一般在西风边界流区域和南极环极流附近较大,因为这些区域的 SSH 变率较大,而在热带区域则较小,尽管那里的 SSH 变率相对较大。分析还表明,低分辨率海洋预报系统和涡旋分辨率海洋预报系统的观测影响可能存在一些特征性差异。虽然现在只有四个海洋预报系统的 OSE 输出结果,但我们将做进一步的调查,增加近期提交的其他预报系统的 OSE 输出结果。
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The international multi-system OSEs/OSSEs by the UN Ocean Decade Project SynObs and its early results
“Synergistic Observing Network for Ocean Prediction (SynObs)” was launched in 2022 as a project of the United Nations Decade of Ocean Science for Sustainable Development to evaluate the importance of ocean observation systems and co-design the future evolution of the ocean observing network. SynObs is currently leading the flagship OSEs/OSSEs, an internationally coordinated activity in which observing system experiments (OSEs) and observing system simulation experiments (OSSEs) are conducted using a variety of ocean and coupled atmosphere–ocean prediction systems to evaluate ocean observation impacts consistent across most prediction systems. The flagship OSEs/OSSEs comprises the ocean prediction (OP) OSEs for high-resolution ocean predictions, the subseasonal-to-seasonal (S2S) OSEs for long-term lead-time coupled ocean–atmosphere predictions, and the OP OSSEs for evaluating new and future observing systems. SynObs plans to use the results of the flagship OSEs to contribute to the reports on the ocean observing network design made by international organizations and projects. Here, we introduce this initiative, and we report on some initial results. Some observation impacts consistent across four ocean prediction systems are found by a preliminary analysis of the analysis runs for the OP OSEs. For example, impacts of the altimetry data on the assimilated sea surface height (SSH) field are generally large in the westerly boundary current regions and around Antarctic Circumpolar Currents where SSH has large variability but are small in the tropical regions, despite the relatively large SSH variability there. The analysis also indicates the possibility that there are some characteristic differences in the observation impacts between low-resolution and eddy-resolving ocean prediction systems. Although OSE outputs of only four ocean prediction systems are available now, we will make further investigation, adding OSE outputs of other prediction systems that will be submitted in the near future.
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来源期刊
ACS Applied Bio Materials
ACS Applied Bio Materials Chemistry-Chemistry (all)
CiteScore
9.40
自引率
2.10%
发文量
464
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