The response of the river plume to the flooding in Moreton Bay, Australia

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Title The response of the river plume to the flooding in Moreton Bay, Australia
Author Yu, Yingying; Zhang, Hong; Lemckert, Charles James
Journal Name Journal of Coastal Research
Year Published 2011
Place of publication United States
Publisher Coastal Education & Research Foundation
Abstract Coastal zones are important ecological regions and popular areas for human recreational activities. The regions also act as receiving environments for contaminants and sediment discharged from coastal rivers. In Australia, the Brisbane River, and more particularly its estuary (Costanzo et al.), is an example of one such environment as it is a complex coastal system with ecological and commercial significance. While Moreton Bay has been the focus of recent intense scientific research, little is known about its physical processes, such as the behaviour of the Brisbane River plume that enters the bay following storm events. In this study, a three-dimensional hydrodynamic model with an unstructured mesh is employed to simulate the generation and development of the flood-driven plume near the mouth of the Brisbane River. The model results are verified by field measurements and satellite observations. The results show that the river discharge is the determinant effect on the plume extension alongshore and offshore. A high correlation coefficient of 0.87 demonstrates that the plume size typically increases with the growth of the river discharge. Following 3 days extension of flood-driven plume, both the salinity and temperature, within the region that 1 km wide and 3.5 km long off the river mouth, decreased by approximately 3.6%.
Peer Reviewed Yes
Published Yes
Publisher URI
Copyright Statement Copyright 2011 CERF. The attached file is reproduced here in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume SI 64
Page from 1214
Page to 1218
ISSN 0749-0208
Date Accessioned 2011-06-09
Language en_US
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Ocean Engineering
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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