On The Interaction Of Time-variable Flows With A Shelfbreak Canyon

Jochen Kaempf

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On The Interaction Of Time-variable Flows With A Shelfbreak Canyon

机译：时变流与棚架峡谷的相互作用

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Process-oriented hydrodynamic modeling is employed to study the interaction of along-slope flows with an idealized submarine shelfbreak canyon. The model is forced via prescription of oscillatory flows superposed on steady background flows of various strength and direction. Findings suggest that purely oscillatory flow does not produce significant net onshore transport of dense water. It is rather the steady component of the flow that creates substantial up-canyon flows of ～0.05 Sv (1 Sv = 10~6 m~3 s~(-1)) in volume transport. This takes place exclusively for flows running on average against the propagation direction of coastal Kelvin waves, whereas flows of the opposite direction operate to suppress cross-shelf density fluxes.

机译：面向过程的流体动力学模型被用来研究沿坡流与理想化海底棚裂峡谷的相互作用。该模型是通过将振荡流的规定叠加在各种强度和方向的稳定本底流上来强制执行的。研究结果表明，纯粹的振荡流动不会产生大量的稠密水在陆地上的净净输送。而是流量的稳定分量在体积传输中产生了约0.05 Sv（1 Sv = 10〜6 m〜3 s〜（-1））的大量上峡谷流。这仅发生在平均与沿海开尔文波的传播方向相反的流动上，而相反方向的流动则用于抑制跨架密度通量。

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《Journal of Physical Oceanography》 |2009年第1期|p.248-260|共13页
作者
Jochen Kaempf;
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作者单位

School of Chemistry, Physics and Earth Sciences, Flinders University, Adelaide, South Australia, Australia;

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正文语种 eng
中图分类海洋学;
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On The Interaction Of Time-variable Flows With A Shelfbreak Canyon

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