115. Mei (1985) mathematically analyzed resonant reflection from 

 nearshore bars that can enhance the possibility for standing waves to generate 

 bars . 



116. Shimizu et al . (1985) analyzed data obtained with a large wave 

 tank to investigate the characteristics of the cross -shore transport rate. 

 Transport rate distributions were classified in three categories, and the 

 criterion of Sunamura and Horikawa (1975) was used to delineate between 

 different types. The transport rate distribution was modeled by superimposing 

 three separate curves representing the transport rate on the foreshore, in the 

 surf zone, and in the offshore zone (cf. Kajima et al . 1983a). 



117. Aubrey and Ross (1985) used eigenvector and rotary component 

 analysis to identify different stages in the beach profile and the correspond- 

 ing frequency of change . A frequency of one year related to exchange of 

 sediment between bar and berm was the dominant mode found in the analysis. 



118. Deguchi and Sawaragi (1985) measured the sediment concentration at 

 different locations across the beach profile in a wave tank. Both the bed 

 load and suspended load were determined, and sediment concentration decayed 

 exponentially with distance above the bed (Kraus and Dean 1987). 



119. Mason et al . (1985) summarized a field experiment conducted at 

 Duck, North Carolina, where a nearshore bar system was closely monitored 

 during a storm. Bar dynamics showed a clear dependence on wave height, the 

 bar becoming better developed and migrating offshore as the wave height 

 increased. Birkemeier (1985a) analyzed the time scale of beach profile change 

 from a data set comprising 3-1/2 years of profile surveying at Duck, North 

 Carolina. Large bar movement occurred with little change in the depth to 

 crest. If low-wave conditions prevailed for a considerable time, a barless 

 profile developed. 



120. Jaf f e , Sternberg, and Sallenger (1985) measured suspended sediment 

 concentration in a field surf zone with an optical back- scattering device. 



The concentration decreased with elevation above the bed, and an increase in 

 concentration was found over the nearshore bar . 



121. Birkemeier (1985b) modified parameter values in an equation 

 proposed by Hallermeier (1979) to describe the seaward limit of profile change 

 at Duck, North Carolina. 



35 



