distribution shapes calculated for three cases, CE Cases 300 and 101, and 

 CRIEPI Case 3-2. Note that the cases shown from the CE data are identical to 

 those presented in Figures 33 and 35, where the distributions of the net 

 transport rates were given corresponding to consecutive survey times and not 

 as equilibrium forms. The classification of transport rate distribution is 

 closely related to criteria for distinguishing bar and berm formation (erosion 

 and accretion) . A barred profile is generally associated with erosive 

 conditions, implying offshore transport, whereas a profile with berm buildup 

 mainly experiences onshore transport. However, in some cases where a bar 

 formed, even though much of the material composing the bar was eroded from 

 the foreshore, onshore transport from the region seaward of the bar also 

 contributed . 



315. The equilibrium transport rate distribution, illustrated by 

 Case 300, is called Type E (Erosional) and is characterized by transport in 

 the offshore direction along the full extent of the active profile. A 

 positive derivative in the transport rate with respect to the cross -shore 

 coordinate indicates local erosion of the profile, whereas a negative deriva- 

 tive indicates local deposition. At locations where the derivative is zero, 

 the depth was constant and material was simply conveyed through the point. A 

 minimum or maximum in the equilibrium distribution of the transport rate 

 pertains to a morphologic feature along the beach profile. Cases where the 

 transport was directed offshore along the entire profile are by definition 

 subject to strong erosion, giving rise to one or more breakpoint bars. For 

 larger grain sizes, the width of the peak of the equilibrium transport rate 

 distribution decreased for the same wave conditions, indicating that the major 

 part of the sand movement was concentrated in a narrow portion of the profile. 

 This concentration is caused by the requirement for greater energy dissipation 

 to achieve the equivalent transport condition for beaches composed of larger 

 sand grains . 



316. For the second main type of equilibrium transport rate distribu- 

 tion, exemplified by Case 101 and called Type A (Accretionary) , transport is 

 directed onshore along the full extent of the active profile. The distribu- 

 tion is in essence the mirror image, through the cross -shore coordinate axis, 

 of the Type-E distribution. In general, however, any secondary minimum in the 



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