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

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Text this: Effect of sediment size distribution on bed elevation variation