No. Page 



19 Shoreline evolution of an initially circular segment-shaped 



beach (a = 45 deg) 34 



20 Comparison between analytical and numerical solutions for the 



case of a circular segment-shaped beach 35 



21 Shoreline evolution of an initially semicircular cut in a 



beach 35 



22 Shoreline evolution of an initially circular segment cut in 



a beach (a = 45 deg) 36 



23 Shoreline evolution of an initially cosine-shaped beach (a 



distance of one beach cusp height added to the shoreline 



position) 37 



24 Shoreline evolution in the vicinity of a river discharging 



sand and acting as a point source 39 



25 Shoreline evolution in the vicinity of a river discharging sand 



with a periodic variation in strength as a function of time 



(o)L 2 /e = 2, ((i = 0, q/Q =q/Q = 0.5) 40 



s o o o 



26 Shoreline evolution in the vicinity of a sand-discharging river 



mouth of finite width 43 



27 Maximum delta growth from a sand-discharging river mouth of 



finite length 44 



28 Definition sketch for the case of a groin 47 



29 Shoreline evolution updrift of a groin which is totally 



blocking the transport of sand alongshore 48 



30 Shoreline evolution downdrift of a groin with bypassing 



described by 0^,(1 - e~ Yt ) (Q-/Q = 0.7 , a = 0.4 rad , 

 J ^B ^B o o 



YL Z /e = 2) 51 



31 Comparison between analytical and numerical solutions of 



shoreline evolution updrift of a groin with incident breaking 



wave angle 20 deg 52 



32 Comparison between analytical and numerical solutions of 



shoreline evolution updrift of a groin with incident breaking 



wave angle 45 deg 52 



33 Shoreline evolution between two groins initially filled with 



sand (L/W = 0.33, a =0.25 rad) 54 



