TYPE HINon-aand Beach »nd/or Cliffs 



TYPE I High Erotlon and/or Structured 

 and/or Scattered Sandy Beaches 



Figure 23. Applicability of the Vellinga and Kriebel dune 



erosion models along the east and gulf coasts (areas not 



marked are Type I, mostly suitable) 



longshore gradients in sediment transport are known to exist, such as near 

 tidal inlets and coastal headlands. 



Role of Engineering Judgment 



122. Although it is desirable to have a tool which would produce 

 accurate and consistent predictions of dune erosion and resulting V-zone 

 widths, no such model exists nor is expected to exist in the foreseeable 



69 



