Salinity Intrusion In Coastal Flood Mitigation
Drains And Creeks
Author(s)
G.A. Tularam & W. Glamore
Abstract
This paper reports on a mathematical model developed to simulate salinity
intrusion in coastal waterways in the south eastern coastal lowlands of the Gold
Coast (Australia) to neutralize acidity caused by pyrite oxidation. The model
was used to predict the effect of salinity intrusion upstream of existing
floodgates. Predictions of the model compared favourably with the field results.
Intrusion of saline water can increase the pH of the upland water can from 2.4 to
about 6.5, while the salt levels remain low enough so that it is not of concern to
the landholders. Based on the computer predictions and experimental
observations, it was concluded that the Nerang river flood mitigation system
ought to be redesigned to allow controlled tidal water intrusion upland of the
floodgates to neutr
Keywords
Related Book
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