Author(s)

J. Nicholson and B.A. O'Connor

Abstract

A description is given of development work carried out on a conceptual model of cross-shore transport. This model is based on the premise that the transport of sediment can be represented as a diffusive process, the resulting scheme being simple and economical to operate. Models of this type, therefore, are suitable for the prediction of long-term beach changes. 1 Introduction There is an increasing need to be able to predict long-term (decades to centuries) changes in the coastal zone caused by human interference and global warming. These changes take place in both the longshore and the cross-shore directions but, by using a splitting technique, the longshore and cross-shore parts of the problem can be solved in isolation, using numerical models. However

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