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首页> 外文期刊>Acta Oceanologica Sinica >An extended variable-grid global ocean circulation model and its preliminary results of the equatorial Pacific circulation
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An extended variable-grid global ocean circulation model and its preliminary results of the equatorial Pacific circulation

机译：扩展的可变网格全球海洋环流模型及其赤道太平洋环流的初步结果

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摘要

To investigate the interaction between the tropical Pacific and China seas a variable-grid global ocean circulation model with fine grid[(l/6)° covering the area from 20°S to 50°N and from 99°　to 150°E is developed. Numerical computation of the annually cyclic circulation fields is performed. The results of the annual mean zonal currents and deep to abyssal western boundary currents in the equatorial Pacific Ocean are reported. The North Equatorial Current, the North Equatorial Countercurrent, the South Equatorial Current and the Equatorial Undercurrent are fairly well simulated. The model well reproduces the northward flowing abyssal western boundary current. From the model results a lower deep western boundary current east of the Bismarck-Solomon-New Hebrides Island chain at depths around 2 000 m has been found. The model results also show that the currents in the equatorial Pacific Ocean have multi-layer structures both in zonal currents and western boundary currents, indicating that the global ocean overturning thermohaline circulation appears of multi-layer pattern.
机译：为了研究热带太平洋和中国海洋之间的相互作用，建立了一个具有细网格[（l / 6）°]的变网格全球海洋环流模型，其覆盖范围从20°S到50°N和从99°到150°E 。进行年度循环环流场的数值计算。报告了赤道太平洋年平均纬向洋流和深至深海西部边界流的结果。对北赤道流，北赤道逆流，南赤道流和赤道暗流的模拟效果相当好。该模型很好地再现了北向流动的深海西部边界流。根据模型结果，发现了the斯麦-所罗门-新赫布里底群岛链以东约2000 m处的较低的深西部边界流。模型结果还表明，赤道太平洋洋流在纬向洋流和西边界洋流中均具有多层结构，表明全球翻转热盐环流的海洋呈多层格局。

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