The effect of Stokes drift on Ekman transport in the open sea
The effect of Stokes drift on Ekman transport in the open sea作者机构:Physical Oceanography LaboratoryOcean University of ChinaQingdao 266100China
出 版 物:《Acta Oceanologica Sinica》 (海洋学报(英文版))
年 卷 期:2012年第31卷第6期
页 面:12-18页
核心收录:
学科分类:07[理学] 070601[理学-气象学] 08[工学] 0706[理学-大气科学] 082701[工学-核能科学与工程] 0827[工学-核科学与技术]
基 金:The National Natural Science Foundation of China under contract Nos 40976005 and 40930844
主 题:Stokes transport Ekman transport ocean swell ocean gyres
摘 要:By introducing the wave-induced Coriolis-Stokes forcing into ageostrophic motion equation, th1 Eulerian transport is modified by the wave-induced Stokes drift. The long-term mean contributions of the Stokes transport with remotely generated swells being included to the ageostrophic transport are analyzed using the ECMWF (European Centre for Medium-Range X,Veather Forecasts) reanalysis data. The ratio of Stokes transport to Ekman transport in north-south (N-S) direction can reach maximum of over 50% in the subtropical region. The preliminary influence of the Stokes transport on the North Pacific gyre is all year persistent, while the effect on the North Atlantic gyre is only obvious in boreal winter and early spring.