1984, Gerald G. Kuhn, Francis Parker Shepard, Sea cliffs, beaches, and coastal valleys of San Diego County: some amazing histories and some horrifying implications, University of California Press, page 3:The cliffed coasts are cut mostly in consolidated rock of somewhat uniform material, which usually results in straight coastlines.
1985, United Nations Environment Programme, International Maritime Organization, Oil spills and shoreline clean-up on the coasts of the Eastern African region, UNEP, page 36:The abundance of cliffed coasts around the world reflects the major changes that have taken place between relative levels of land and sea in recent geological times.
2003, J. McKee Smith, Coastal engineering 2002: solving coastal conundrums : proceedings of the 28th International Conference, 7-12 July 2002, Cardiff, Wales, World Scientific, page 662:In the case of a cliffed marsh edge, wave heights increase at the edge but are dissipated rapidly in the first 10-20m landward of the cliff.
