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  ______    _____    __   __   _    _    _    _   
 /_____//  |  ___||  \ \\/ // | || | || | || | || 
 `____ `   | ||__     \   //  | || | || | || | || 
 /___//    | ||__     / . \\  | \\_/ || | \\_/ || 
 `__ `     |_____||  /_//\_\\  \____//   \____//  
 /_//      `-----`   `-`  --`   `---`     `---`   
 `-`

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Text this: Time-mean structure of secondary flows in open channel with longitudinal bedforms