| Effects of Stokes production on summer ocean shelf dynamics |
| |
| 作者姓名： | ZHANG Xuefeng HAN Guijun WANG Xidong ZHANG Lianxin |
| |
| 作者单位： | Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China;National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China;Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China;National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China;Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China;National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China;Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China;National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China |
| |
| 基金项目： | The National Basic Research Program of China under contract No. 2013CB430304; the National Natural Science Foundation of China under contract Nos 41030854, 41106005, 41176003 and 41206178; and the National Science and Technology Support Program of China under contract No. 2011BAC03B02-01. |
| |
| 摘 要： | A two-dimensional numerical model,which is configured on the basis of Princeton ocean model（POM）,is used to study the effect of Stokes production（SP） of the turbulent kinetic energy on a density profile and Ekman transport in an idealized shelf region in summer.The energy input from SP is parameterized and included into the Mellor-Yamada turbulence closure submodel.Results reveal that the intensity of wind-driven upwelling fronts near the sea surface is weakened by the SP-associated turbulent kinetic energy input.The vertical eddy viscosity coefficient in the surface boundary layer is enhanced greatly owing to the impact of SP,which decreases the alongshore velocity and changes the distribution of upwelling.In addition,the SP-induced mixing easily suppresses the strong stratification and significantly increases the depth of the upper mixed layer（ML） under strong winds.
|
| 关 键 词： | 普林斯顿海洋模式 货架 夏季 生产 二维数值模型 输入参数 上混合层 密度分布 |
| 收稿时间： | 2/8/2013 12:00:00 AM |
| 修稿时间： | 2013/5/22 0:00:00 |
Effects of Stokes production on summer ocean shelf dynamics |
| |
| ZHANG Xuefeng,HAN Guijun,WANG Xidong,ZHANG Lianxin.Effects of Stokes production on summer ocean shelf dynamics[J].Acta Oceanologica Sinica,2014,33(1):24-34. |
| |
| Authors: | ZHANG Xuefeng HAN Guijun WANG Xidong and ZHANG Lianxin |
| |
| Institution: | Key Laboratory of Marine Environmental Information Technology, State Oceanic Administration, Tianjin 300171, China;National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China |
| |
| Abstract: | A two-dimensional numerical model, which is configured on the basis of Princeton ocean model (POM), is used to study the effect of Stokes production (SP) of the turbulent kinetic energy on a density profile and Ekman transport in an idealized shelf region in summer. The energy input from SP is parameterized and included into the Mellor-Yamada turbulence closure sub model. Results reveal that the intensity of wind-driven upwelling fronts near the sea surface isweakened by the SP-associated turbulent kinetic energy input. The vertical eddy viscosity coefficient in the surface boundary layer is enhanced greatly owing to the impact of SP,which decreases the alongshore velocity and changes the distributionof upwelling. In addition, the SP-induced mixing easily suppresses the strong stratification and significantly increases the depth of the uppermixed layer (ML) under strong winds. |
| |
| Keywords: | Stokes production POM uppermixed layer upwelling |
| 本文献已被 CNKI 维普 SpringerLink 等数据库收录！ |
| 点击此处可从《海洋学报(英文版)》浏览原始摘要信息 |
| 点击此处可从《海洋学报(英文版)》下载免费的PDF全文 |
|
