SKRIPS v1.0: a regional coupled ocean–atmosphere modeling framework (MITgcm–WRF) using ESMF/NUOPC, description and preliminary results for the Red Sea

SKRIPS v1.0: a regional coupled ocean–atmosphere modeling framework (MITgcm–WRF) using ESMF/NUOPC, description and preliminary results for the Red Sea
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SKRIPS v1.0:使用 ESMF/NUOPC 的区域耦合海洋-大气建模框架 (MITgcm-WRF)、红海的描述和初步结果

DOI:
10.5194/gmd-12-4221-2019
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发表时间:
2019
影响因子:
5.1
通讯作者:
B. Cornuelle
B. Cornuelle
中科院分区:
地球科学2区
文献类型:
--
作者:
Rui Sun;A. Subramanian;A. Miller;M. Mazloff;I. Hoteit;B. Cornuelle

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抽象的。本文介绍了一个新的区域海气耦合模式及其实现。耦合模型基于两个开源社区模型组件:MITgcm海洋模型和天气研究和预报(WRF)大气模型。这些组件之间的耦合使用ESMF(地球系统建模框架)进行,并根据国家联合业务预测能力(NUOPC)协议实施。耦合模式被命名为斯克里普斯-KAUST区域综合预报系统(SKRIPS)。SKRIPS演示了一个真实世界的例子,通过模拟30天的时间,包括一系列极端高温事件发生在红海地区的东部海岸在2012年6月。通过使用耦合模式得到的结果,沿着在强迫独立的海洋或大气模拟,与观测数据和再分析产品进行了比较。我们表明,耦合模式是能够进行耦合的海洋-大气模拟,虽然耦合和非耦合模式的所有配置有很好的技能,在模拟热事件。此外,可扩展性测试进行调查的耦合模型的并行化。结果表明,耦合模式代码的规模和ESMF/NUOPC耦合器占不到5%的总计算资源的红海测试用例。耦合模型和文档可在https://library.ucsd.edu/dc/collection/bb1847661c上获得(最后访问日期:2019年9月26日),源代码可在https://github.com/iurnus/scripps_kaust_model上维护(最后访问日期:2019年9月26日)。
Abstract. A new regional coupled ocean–atmosphere model is developed and its implementation is presented in this paper. The coupled model is based on two open-source community model components: the MITgcm ocean model and the Weather Research and Forecasting (WRF) atmosphere model. The coupling between these components is performed using ESMF (Earth System Modeling Framework) and implemented according to National United Operational Prediction Capability (NUOPC) protocols. The coupled model is named the Scripps–KAUST Regional Integrated Prediction System (SKRIPS). SKRIPS is demonstrated with a real-world example by simulating a 30 d period including a series of extreme heat events occurring on the eastern shore of the Red Sea region in June 2012. The results obtained by using the coupled model, along with those in forced stand-alone oceanic or atmospheric simulations, are compared with observational data and reanalysis products. We show that the coupled model is capable of performing coupled ocean–atmosphere simulations, although all configurations of coupled and uncoupled models have good skill in modeling the heat events. In addition, a scalability test is performed to investigate the parallelization of the coupled model. The results indicate that the coupled model code scales well and the ESMF/NUOPC coupler accounts for less than 5 % of the total computational resources in the Red Sea test case. The coupled model and documentation are available at https://library.ucsd.edu/dc/collection/bb1847661c (last access: 26 September 2019), and the source code is maintained at https://github.com/iurnus/scripps_kaust_model (last access: 26 September 2019).