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Role of infragravity energy in bar formation in a strong wind bay: Observations from Seaford Beach, Port Phillip Bay, Australia
Stockholm University, Faculty of Science, Department of Physical Geography and Quaternary Geology.
2008 (English)In: Geographical Research, ISSN 1745-5863, Vol. 46, no 2, 208-223 p.Article in journal (Refereed) Published
Abstract [en]

Measurements of the surf zone wave field and morphology were obtained from a multi-barred beach in a fetch-limited, strong-wind bay (Seaford, SE Australia) during both low- and high-energy conditions. Analysis of the infragravity energy present during high-energy events (onshore winds > 7 ms-1) revealed that it was broad-banded, consisting of a mixture of standing and progressive motions and displaying daily variations in standing wave length scales. Infragravity standing waves were therefore not considered significant to the formation and migration of bars at Seaford during this study, with bar behaviour during high energy events potentially attributable to either breaking wave-bed return flow and/or self-organisational mechanisms.

Place, publisher, year, edition, pages
2008. Vol. 46, no 2, 208-223 p.
Keyword [en]
Seaford Beach, infragravity waves, beach morphodynamics, nearshore bars, fetch-limited, strong-wind bay
National Category
Physical Geography
URN: urn:nbn:se:su:diva-14321DOI: doi:10.1111/j.1745-5871.2008.00511.xISI: 000256088000008OAI: diva2:180841
Available from: 2009-01-01 Created: 2009-01-01 Last updated: 2011-01-10Bibliographically approved

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