| SEASONAL HEAT BUDGET IN THE TROPICAL WESTERN PACIFIC OCEAN IN A GLOBAL GCMⅠ.GENERAL DESCRIPTION |
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| 引用本文： | 曲堂栋.SEASONAL HEAT BUDGET IN THE TROPICAL WESTERN PACIFIC OCEAN IN A GLOBAL GCMⅠ.GENERAL DESCRIPTION[J].中国海洋与湖沼学报,1995,13(4):310-317. |
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| 作者姓名： | 曲堂栋 |
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| 作者单位： | Institute of Oceanology，Chinese Academy of Sciences，Qingdao 266071 |
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| 基金项目： | This study was supported by NSFC(No.49176255) |
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| 摘 要： | This paper describes the large scale aspects of the seasonal surface heat budget and discusses itsmain forcing mechanisms in the tropical Western Pacific Ocean.The high-resolution generalcirculation model (Semtner & Chervin,1992)used in this study reproduced well the observed upper-layer thermal structure and circulation.It is shown that at least on the average of the study region(20°S-20°N,west boundary-160°E)the semiannual variation is a dominant signal for all heat budgetcomponents and is presumably due to the sun’s passing across the equator twice a year,but that thecomponents have substantial differences in amplitude.The local Ekman divergence in the region doesnot change significantly through the year.As a result,the change in surface heat content is roughlyhalf due to ocean-atmosphere heat exchange and half due to heat advection by remotely forced verti-cal motion.Horizontal currents do not play a significant role directly by advection,because the wat-er which enters the region is not very muc
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