(a) 



Run 3; experimental values (x) ; 

 theoretical values for 

 a = I, Y - 0.8 ( ) 



(b) - Run 2; experimental values (x) ; 

 theoretical values for 

 a = 1, Y = 0.8 ( ) 



(c) 



l]| npctiaental value! (x); 



theoretical valuet for ^A^ 



a • I. Y • 0.8 ( ) V*^'' 



Run 15; «ipiTi»rntol v»lue» (m) 

 theoretical v»lue« for 

 O - I. T - 0.8 < ) 



Figure 40. MWL variations for irregular waves (a),(b) plane beach (c) , (d) 

 bar-trough profiles (from Battjes and Janssen, 1978). 



140 



