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(Article of periodic en Anglais - 2011)

Document title

Field observations of infragravity waves and their behaviour on rock shore platforms

Authors(s) and Affiliation(s)

BEETHAM E.P. (1) ; KENCH P.S. (1) ;
(1) School of Environment, Univ., Auckland, NOUVELLE-ZELANDE

Abstract

Infragravity wave (IGW) transformation was quantified from field measurements on 2 shore platforms on New Zealand's east coast (Oraka and Rothesay Bay). The observed increase in IGW height over the platform during both experiments is attributed to shoaling. The proportional increase in IGW height shows a strong correlation to water level on each platform. The rate of shoaling of long period waves on the shallow, horizontal platforms increased at higher water levels resulting in a super elevation in water level at the cliff toe during high tide. Results from this study show the first measurements of IGWs on shore platforms and identify long wave motion a significant process in a morphodynamic understanding of rock coast

Source

Article of periodic

published at : Earth surface processes and landforms / ISSN 0197-9337 / CODEN ESPLDB

Editor : Wiley, Chichester - ROYAUME-UNI (1981)

Millesime : 2011, vol. 36, no14 [pp. 1872-1888]

Bibliographic references : 56 ref.

Collation : 15 fig.

Language

Anglais

INIST-CNRS, Cote INIST : 17355

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1002/esp.2208

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2012
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