Page 344 - Fundamentals of Geomorphology

COASTAL LANDSCAPES 327

Plate 13.8 Sea stacks at Bedruthan Steps, Cornwall, England.
(Photograph by Richard Huggett)

Plate 13.9 Sandy beach near Poipu, Kauai, Hawaii.
(Photograph by Tony Waltham Geophotos)

probably because rivers carry predominantly fine sedi- Beach profile
ments and cliff erosion donates little to littoral deposits
in the tropics (Plate 13.9). Under some conditions, Beaches have characteristic profiles, the details of which
and notably in the tropics, beach sediments may, are determined by the size, shape, and composition
through the precipitation of calcium carbonate, form of beach material, by the tidal range, and by the
beachrock. kind and properties of incoming waves (Figure 13.7).