Investigation of hurricane Ivan using the coupled ocean–atmosphere–wave–sediment transport (COAWST) model
Investigation of hurricane Ivan using the coupled ocean–atmosphere–wave–sediment transport (COAWST) model
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DOI：
10.1007/s10236-014-0777-7
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发表时间：
2014-10
期刊：
影响因子：
2.3
通讯作者：
J. Zambon;R. He;J. Warner
中科院分区：
文献类型：
--
作者：
J. Zambon;R. He;J. Warner
利用海洋-大气-波浪-沉积物耦合输运（COAWST）模式对飓风伊万（2004）进行了后向预报，伊万是一个超强热带气旋（TC）在墨西哥湾的转化。在海洋-大气-波浪耦合交换过程中进行了越来越复杂的敏感性实验，以评估在TC发生期间耦合对大气、海洋和波浪环境预测的影响。当使用完全大气-海洋-波浪耦合配置与不耦合（例如，独立大气、海洋或波浪）模式模拟时，发现轨道有适度改善，但强度有显著改善。在完全耦合配置下产生的表面波场也与现场浮标测量结果吻合良好。将耦合和非耦合模式模拟的海温场与现场观测和遥感观测进行了比较。详细的热收支分析表明，深海（陆架）混合层温度的冷却主要是由平流引起的（平流和扩散的作用相同）。
The coupled ocean–atmosphere–wave–sediment transport (COAWST) model is used to hindcast Hurricane Ivan (2004), an extremely intense tropical cyclone (TC) translating through the Gulf of Mexico. Sensitivity experiments with increasing complexity in ocean–atmosphere–wave coupled exchange processes are performed to assess the impacts of coupling on the predictions of the atmosphere, ocean, and wave environments during the occurrence of a TC. Modest improvement in track but significant improvement in intensity are found when using the fully atmosphere–ocean-wave coupled configuration versus uncoupled (e.g., standalone atmosphere, ocean, or wave) model simulations. Surface wave fields generated in the fully coupled configuration also demonstrates good agreement with in situ buoy measurements. Coupled and uncoupled model-simulated sea surface temperature (SST) fields are compared with both in situ and remote observations. Detailed heat budget analysis reveals that the mixed layer temperature cooling in the deep ocean (on the shelf) is caused primarily by advection (equally by advection and diffusion).