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首页> 外文期刊>Journal of Geophysical Research, C. Oceans: JGR >Estimation of interbasin transport using ocean bottom pressure: Theory and model for Asian marginal seas
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Estimation of interbasin transport using ocean bottom pressure: Theory and model for Asian marginal seas

机译:利用海底压力估算跨流域运输:亚洲边缘海的理论和模型

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摘要

The Asian Marginal Seas are interconnected by a number of narrow straits, such as the Makassar Strait connecting the Pacific Ocean with the Indian Ocean, the Luzon Strait connecting the South China Sea with the Pacific Ocean, and the Korea/Tsushima Strait connecting the East China Sea with the Japan/East Sea. Here we propose a method, the combination of the “geostrophic control” formula of Garrett and Toulany (1982) and the “hydraulic control” theory of Whitehead et al. (1974), allowing the use of satellite-observed sea-surface-height (SSH) and ocean-bottom-pressure (OBP) data for estimating interbasin transport. The new method also allows separating the interbasin transport into surface and bottom fluxes that play an important role in maintaining the mass balance of the regional oceans. Comparison with model results demonstrates that the combined method can estimate the seasonal variability of the strait transports and is significantly better than the method of using SSH or OBP alone.
机译:亚洲边缘海由许多狭窄的海峡相互连接,例如连接太平洋与印度洋的望加锡海峡,连接南中国海与太平洋的吕宋海峡以及连接中国东部的韩国/津岛海峡。日本/东海之海。在这里,我们提出一种方法,将Garrett和Toulany(1982)的“地质控制”公式与Whitehead等人的“液压控制”理论结合起来。 (1974年),允许使用卫星观测的海面高度(SSH)和海底压力(OBP)数据来估算跨盆地运输。新方法还允许将流域间的运输分为表面和底部通量,这在维持区域海洋的质量平衡中起着重要作用。与模型结果的比较表明,组合方法可以估计海峡运输的季节性变化,并且明显优于单独使用SSH或OBP的方法。

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