Profundidade de Fechamento e Perfil de Equilíbrio de Praia - um Estudo de Caso em Sand Key, Florida

Document Type

Article

Publication Date

2007

Keywords

beach profiles, equilibrium profiles, beach profile models, depth of closure, cross-shore sediment transport, Florida Gulf coast

Abstract

Five hundred and fifty-five beach profiles surveyed during 5 years (3 years for the Indian Shores) along the 20-km beach at Sand Key, west-central Florida were analyzed to understand the regional characteristics of closure depth and equilibrium beach profile. Using a 6-yr average of 12- hr extreme wave conditions obtained from a local WIS station, the Birkemeier (1985) formula reproduced the measured closure depth at the northern part of the study area (without the direct control of the hard bottom) well, whereas the Hallermeier (1978, 1981) formula significantly over-predicted the measured value. Five hundred and fifty-five beach profiles surveyed dur- ing 5 years (3 years for the Indian Shores) along the 20-km beach at Sand Key, west-central Florida were analyzed to understand the regional characteristics of closure depth and equilibrium beach profile. Using a 6-yr average of 12- hr extreme wave conditions obtained from a local WIS station, the Birkemeier (1985) formula reproduced the measured closure depth at the northern part of the study area (without the direct control of the hard bottom) well, whereas the Hallermeier (1978, 1981) formula significantly over-predicted the measured value.

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Yes

Citation / Publisher Attribution

Mercator - Revista de Geografia da UFC, v. 6, issue 12, p. 51-68

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