Tropical Pacific Decadal Variability in Subsurface Temperature  

作　　者：LIU Qinyu XU Lixiao LU Jiuyou WANG Qi 

机构地区：[1]Physical Oceanography Laboratory,Ocean-Atmosphere Interaction and Climate Laboratory,Ocean University of China,Qingdao 266100,P.R.China

出　　处：《Journal of Ocean University of China》2012年第4期451-454,共4页中国海洋大学学报（英文版）

基　　金：supported by the Ministry of Science and the Technology of China (National Basic Research Program of China 2012CB955602);Natural Science Foundation of China (40830106,40921004 and 41176006)

摘　　要：The nature decadal variability of the equatorial Pacific subsurface temperature is examined in the control simulation with the Geophysical Fluid Dynamics Laboratory coupled model CM2.1.The dominant mode of the subsurface temperature variations in the equator Pacific features a 20-40 year period and is North-South asymmetric about the equator.Decadal variations of the thermocline are most pronounced in the southwest of the Tropical Pacific.Decadal variation of the north-south asymmetric Sea Surface wind in the tropical Pacific,especially in the South Pacific Convergence,is the dominant mechanism of the nature decadal variation of the subsurface temperature in the equatorial Pacific.The nature decadal variability of the equatorial Pacific subsurface temperature is examined in the control simulation with the Geophysical Fluid Dynamics Laboratory coupled model CM2.1. The dominant mode of the subsurface temperature variations in the equator Pacific features a 20-40 year period and is North-South asymmetric about the equator. Decadal variations of the thermo- cline are most pronounced in the southwest of the Tropical Pacific. Decadal variation of the north-south asymmetric Sea Surface wind in the tropical Pacific, especially in the South Pacific Convergence, is the dominant mechanism of the nature decadal variation of the subsurface temperature in the equatorial Pacific.

关 键 词：decadal variation asymmetry about equator subsurface temperature variation sea surface wind South Pacific Con-vergence Zone 

分 类 号：P467[天文地球—大气科学及气象学] P425.42