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Revisiting the anomalous shelf water oscillation of Buckles Bay, Macquarie Island

Galton-Fenzi, B.K., Scott, W.D., Farrow, D.E. and Handsworth, R. (2006) Revisiting the anomalous shelf water oscillation of Buckles Bay, Macquarie Island. Continental Shelf Research, 26 (19). pp. 2386-2392.

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Historic observations of sea-level on Macquarie Island recorded an ∼ 6 min oscillation with a perceived beat of ∼ 3 h, interpreted as two counter-rotating edge waves of slightly different frequencies. Alternative evidence is presented here that the oscillations are consistent with the fundamental shelf period of Buckles Bay; an envelope characteristic of local coast and shelf features. New data from a shore-mounted tide gauge, analyzed using fourier and wavelet techniques, show an ∼ 6.6 min phenomenon occurring in bursts every 1-4 h. A simple model shows that the fundamental resonant frequency may spread and comply with maximum and minimum coast and shelf features.

Item Type: Journal Article
Murdoch Affiliation(s): School of Engineering Science
School of Environmental Science
Publisher: Elsevier BV
Copyright: © 2006 Elsevier Ltd. All rights reserved.
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