Advective spreading of storm-induced inertial oscillations in a model of the northwest Atlantic Ocean

Xiaoming Zhai, Richard J. Greatbatch, Jinyu Sheng

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Abstract

The spreading of inertial oscillations induced by the passage of Hurricane Juan (2003) across the Gulf Stream and the Scotian Shelf is examined using a regional model of the northwest Atlantic Ocean. It is found that surface-intensified inertial oscillations develop at locations remote from the storm track after a period of 5–10 days. A diagnostic technique reveals the importance of advection by the background geostrophic flow for explaining this effect. The results suggest that advection by mean circulation can play a role in redistributing near-inertial energy in the ocean. We argue that advective redistribution could have important consequences for understanding diapycnal mixing in the ocean.
Original languageEnglish
JournalGeophysical Research Letters
Volume31
Issue number14
DOIs
Publication statusPublished - 1 Jan 2004

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