Ocean mesoscale structure–induced air–sea interaction in a high-resolution coupled model

被引：6

作者：

LIN Pengfei ^{[1
,2
]}

LIU Hailong ^{[1
,2
]}

MA Jing ^{[3
]}

LI Yiwen ^{[1
,2
]}

机构：

[1] State Key Laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics,Chinese Academy of Sciences

[2] College of Earth and Planetary Sciences, University of Chinese Academy of Sciences

[3] Key Laboratory of Meteorological Disaster of Ministry of Education, Nanjing University of Information Science and Technology

来源：

Atmospheric and Oceanic Science Letters | 2019年 / 12卷 / 02期

基金：

中国国家自然科学基金;

关键词：

中尺度; 海气相互作用; 高分辨率; 涡旋和锋面;

D O I：

暂无

中图分类号：

P732 [海洋气象学];

学科分类号：

0706 ; 070601 ;

摘要：

本文基于通用地球系统模式框架,建立了一个非常高分辨率准全球的耦合模式,其分量为涡分辨率海洋模式和高分辨率大气模式。利用这个模式,在现代气候条件下成功进行6年的试验,并根据高分辨率观测和再分析资料评估了试验结果。这个模式能够模拟大尺度大气海洋结构,海表面温度(SST)锋面,海洋涡旋动能,和风的细致结构。据此,仔细研究了海洋中尺度结构引起的海气相互作用特征。通过对比观测,这个模式很好再现了由中尺度结构引起的SST和风应力的正相关。同时,正相关在强海洋锋面和涡旋区域特别明显。在模拟中,风对中尺度扰动引起的SST的响应偏弱,但不同区域响应量值略有不同。伴随着风的响应偏弱,表面感热的响应被低估,而潜热的响应则被高估,高估原因是因为模式的边界层偏干。风对SST中尺度异常响应主要来自动量垂直混合和气压调整的综合作用。本研究对于中尺度海气相互作用的模拟提供了一些新的线索及对模式的改进提供科学依据。

引用

页码：98 / 106

页数：9

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