OALib Journal期刊
ISSN: 2333-9721
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不考虑局地引潮势的南海正压潮能通量与潮能耗散
Keywords: 南海,潮能通量,底摩擦耗散,底摩擦系数
Abstract:
?利用ecom模式模拟南海正压m2、s2、k1、o1分潮,对南海潮能通量及潮能耗散进行研究。结果显示,m2、s2、k1和o1分潮分别有38.93、5.77、29.73和28.97gw的能通量经吕宋海峡传入南海,并有2.42、0.36、8.67和7.86gw的能通量由南海经卡里马塔海峡传入爪哇海。由东海及吕宋海峡西北部传入台湾海峡的m2分潮能通量为25.28gw。半日潮进入北部湾和泰国湾的能通量较少(6.52gw),全日潮则较大(24.74gw)。通过民都洛和巴拉巴克海峡断面,全日潮由南海向苏禄海共输送12.28gw的能通量,而半日潮则由苏禄海向南海输送1.92gw的能通量。由模式输出结果估计得到的南海各局部海域的底摩擦耗散与净潮能通量存在差异,为使二者平衡,可对南海不同海域的底摩擦系数进行调整。依净潮能通量与底摩擦耗散平衡关系计算得到台湾海峡、北部湾、泰国湾及南海深水海域的底摩擦系数分别为0.0023、0.0024、0.0023和0.0021。
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