Tidal Changes and Coastal Hazards: Past, Present and Future

A. Hinton ()

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2000, vol. 21, issue 2, 173-184

Abstract: A review is presented of the nature of tidal changes and their importance in the context of coastal hazards. This is done in order to illustrate the way in which tides do and may impact on the coast as a hazard and highlight the need for research to be carried out in this context. Three main aspects of tides are significant in this respect – these are: (1) tidal heights, including tidal range and the asymmetry or otherwise of the flood/ebb cycle; (2) tidal currents, the speed and direction of which affect sediment movement, sources and sinks; and (3) tidal mixing of fresh water with water of varying levels of salinity and differing temperatures. A variety of tools, from geological data to modelling, and tide gauges to satellites, may be used to assess tidal changes. Tides form the basis on which all other coastal processes operate and are therefore important with regard to the physical, chemical and biological hazards in the coastal zone. There is an urgent need to study tidal changes – both their nature and causes – in order to ensure successful coastal management. Copyright Kluwer Academic Publishers 2000

Keywords: tides; tidal changes; sea-level change; coastal hazards; coastal planning; coastal management (search for similar items in EconPapers)
Date: 2000
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DOI: 10.1023/A:1008131002450

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