Wavelet analysis of atmospheric turbulence over a coral reef flat

Wiebe, Andrew, Sturman, Andrew and McGowan, Hamish (2011) Wavelet analysis of atmospheric turbulence over a coral reef flat. Journal of Atmospheric and Oceanic Technology, 28 5: 698-708. doi:10.1175/2010JTECHA1485.1

Attached Files (Some files may be inaccessible until you login with your UQ eSpace credentials)
Name Description MIMEType Size Downloads
UQ261140_OA.pdf Full text (open access) application/pdf 2.19MB 0

Author Wiebe, Andrew
Sturman, Andrew
McGowan, Hamish
Title Wavelet analysis of atmospheric turbulence over a coral reef flat
Journal name Journal of Atmospheric and Oceanic Technology   Check publisher's open access policy
ISSN 0739-0572
Publication date 2011-05
Sub-type Article (original research)
DOI 10.1175/2010JTECHA1485.1
Open Access Status File (Publisher version)
Volume 28
Issue 5
Start page 698
End page 708
Total pages 11
Place of publication Boston, United States
Publisher American Meteorological Society
Collection year 2012
Language eng
Formatted abstract
The world’s tropical coral reefs are at risk of severe bleaching episodes and species decline in response to global climate variability. The ecological and economic value of reef ecosystems is enormous, yet very little is known of the physical interactions that take place at the coral–ocean–atmosphere interfaces. This paper introduces and validates a novel technique for the acquisition of surface energy balance measurements over Heron Reef, part of the Capricorn Bunker Group of the southern Great Barrier Reef, Australia. Measurements of surface energy and radiation exchanges were made using a Campbell Scientific eddy covariance (EC) measurement system mounted on a floating pontoon anchored to the reef flat. A Nortek Vector velocimeter was positioned next to the pontoon to record wave motion. Wavelet analysis techniques were used to decompose the turbulent exchange of sensible heat measured by the EC unit and to compare vertical velocity measurements with wave-induced motion recorded by the velocimeter. The results indicate that although the EC system and the velocimeter share intermittent periods of high common power in their respective wavelet variance spectra, these regions are not coherent and differ in strength by more than an order of magnitude. It was concluded that over a standard averaging period of 30 min the wave-induced motion of the pontoon would not significantly interfere with the acquisition and calculation of turbulent fluxes of sensible and latent heat, thereby confirming the robustness of this method of obtaining surface energy balance measurements over coral reefs.
Keyword Eddy motion
Climate variability
Energy budget/balance
Sea surface temperature
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Geography, Planning and Environmental Management Publications
Official 2012 Collection
Version Filter Type
Citation counts: TR Web of Science Citation Count  Cited 4 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 5 times in Scopus Article | Citations
Google Scholar Search Google Scholar
Created: Fri, 11 Nov 2011, 15:49:34 EST by Alexandra Simmonds on behalf of School of Geography, Planning & Env Management