Detecting a response to weak sea breezes in the New South Wales coastal ocean

Gibbs, Mark T. (2000) Detecting a response to weak sea breezes in the New South Wales coastal ocean. New Zealand Journal of Marine and Freshwater Research, 34(4), pp. 669-680.

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Current meter data from the coastal ocean at Sydney, south-eastern Australia, were analysed to seek evidence of a response to the prevailing summer sea breeze. A response to the sea breeze was found in the currents. This is significant since the magnitude of the sea breeze was small by comparison with winds associated with large-scale pressure systems and the East Australian Current. Responses were determined by analysing short periods (3-5 days) of sea breeze activity as opposed to the whole 2-month data set. The correlations between the alongshore nearshore diurnal-period currents and the local wind stress during the sea breeze periods were significantly higher than the correlations during non-sea-breeze periods. Despite the stronger correlations the sea breeze could only account for around one-quarter of the variance in the diurnal-period currents. However, the detection of the response to the sea breeze is significant since the sea breeze has never previously been identified as a process for forcing alongshore nearshore currents on this shelf.

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ID Code: 97772
Item Type: Journal Article
Refereed: Yes
Keywords: Coastal oceanography, Coastal processes, Coastal-trapped waves, Sea breeze, Sydney shelf, coastal current, coastal water, wind stress, Australia
DOI: 10.1080/00288330.2000.9516968
ISSN: 0028-8330
Copyright Owner: 2000 Taylor & Francis Asia Pacific (Singapore)
Deposited On: 29 Jul 2016 06:09
Last Modified: 29 Jul 2016 06:17

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