SYMBOLS AND DEFINITIONS 



a empirical coefficient used in equation for runup, equal to 0.692 



for a rubble structure 



B crest width of the structure 



B E quantity of sand bypassed to the east from an inlet bar 



By quantity of sand bypassed to the west from an inlet bar 



b empirical coefficient used in expression for runup, equal to 0.504 



for a rubble structure 



C weir discharge coefficient (assumed constant = 0.6) 



d_ water depth at the toe of a structure 



\/4te/k/ 



the error function complement of the argument 



Ate/k 



e base of the Naperian logarithms = 2.7182 . . . 



g acceleration of gravity 



Hv breaking wave height 



H. incident wave height 



H' unrefracted deepwater wave height 



H fc transmitted wave height 



h height of structure crest above bottom 



h upstream height of water surface above weir crest 



h downstream height of water level above crest 



I immersed weight longshore sediment transport rate 



K Keulegan's K 



K Q wave transmission coefficient for waves transmitted by overtopping 



K t wave transmission coefficient for waves propagated through a 

 structure 



L weir length 



L Q deepwater wavelength 



