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 __   _    __   __   ______      ___     _    _   
| || | ||  \ \\/ // |      \\   / _ \\  | |  | || 
| '--' ||   \ ` //  |  --  //  / //\ \\ | |/\| || 
| .--. ||    | ||   |  --  \\ |  ___  |||  /\  || 
|_|| |_||    |_||   |______// |_||  |_|||_// \_|| 
`-`  `-`     `-`'   `------`  `-`   `-` `-`   `-`

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Text this: Wave-induced longitudinal vortices in a shallow current