SYMBOLS AND DEFINITIONS 



A plan area of basin 



A, plan area of basin at sill elevation 



a tidal amplitude or maximum river stage variation 



c suspended-sediment concentration 



c- initial suspended concentration which enters harbor 



c mean suspended-sediment concentration during the interval < t < T/2 



d particle size in millimeters 



K sediment-concentration correction coefficient used to calculate M 



K, sediment-concentration correction coefficient used to calculate P 



k g correction factor for suspended-sediment concentration which varies 

 linearly with time 



M total mass of sediment which enters a harbor 



M. total mass deposited in basin 



m mass of sediment per unit volume of deposited material 



P part of M deposited in harbor, with z = and k = 



P s part of M deposited in harbor when z ^ and k = 



P sb P art °f M deposited in harbor when z ^ and k ^ 



S r shoaling rate on bottom of harbor basin (not sidewalls) 



T tidal period or duration of a complete rise and fall of a river 

 hydrograph 



t time in hours past previous time of low water 



V j unit volume of sediment deposited in basin 



Vg particle settling velocity 



z sill elevation 



a sidewall slope of harbor basin 



n water surface elevation 



P^ bulk density of sediment deposit in basin 



p g density of sediment particles 



P water density 



