A Simple Technique for Estimating the Recovery Rate of a Subtropical Estuarine System After a Flood Event

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Title A Simple Technique for Estimating the Recovery Rate of a Subtropical Estuarine System After a Flood Event
Author Schacht, Christie Margaret; Lemckert, Charles James
Journal Name Journal of Coastal Research
Year Published 2006
Place of publication United States
Publisher Coastal Education & Research Foundation
Abstract The Fitzroy River is one of Australia's largest river systems, with an estuarine section extending 60 km from its mouth to a tidal limiting barrage. The Fitzroy River, whose catchment is 142450 km2 experiences annual short-lived flooding as a result of intermittent heavy summer rainfall events. This study revealed that the Fitzroy River estuary behaves as an enclosed bay as it does not experience a freshwater inflow after the cessation of a flood event. There was a need to develop a predictive estuarine recovery graph as typical formulas, (such as the fraction of freshwater) did not apply. Implications of this simplistic (salinity recovery) graph will lead to a better understanding and knowledge base for both the independent and commercial fisheries. The reason for this being that a during a flood event, the majority of freshwater species (upstream of the barrage) and estuarine-dependant (downstream) species are washed into the adjacent Pacific Ocean. The re-migration of both the fresh and estuarine-dependant species after the flood event is closely related to the rate of salinity recovery.
Peer Reviewed Yes
Published Yes
Publisher URI http://www.jstor.org/stable/25741607
Copyright Statement Copyright 2006 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 S1 39
Page from 415
Page to 418
ISSN 0749-0208
Date Accessioned 2007-02-22
Language en_US
Faculty Faculty of Science, Environment, Engineering and Technology
Subject PRE2009-Physical Geography
URI http://hdl.handle.net/10072/14428
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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