Managing stormwater erosion of unpaved sand roads on Fraser Island, Queensland
Wake-Dyster, Kevin D., Goonetilleke, Ashantha, & Bullen, Frank (2001) Managing stormwater erosion of unpaved sand roads on Fraser Island, Queensland. In 6th Conference on Hydraulics in Civil Engineering, 28-30 November 2001, Hobart, Tasmania, Australia.
A network of unpaved sand roads exists on Fraser Island, to provide access to the sand dunes, rainforests and lakes of the World Heritage listed natural wonderland. During rainstorm events, overland flow can occur along sand roads causing severe rilling and gullying, and removal of sand by water erosion. Substantial effort and resources are required to maintain the roads to a useable condition. Continual degradation of the sand road network by water erosion from storm events may restrict long term access to the area. Water erosion modelling methods used for agriculture soil loss studies will be directly used to analyse the factors causing sand erosion by surface runoff. The data collected from water balance test plot studies can be used to design hydraulic structures to limit surface flow water velocities below threshold values for soil erosion, and deviate the water flow to vegetated areas having higher infiltration rates. The design and frequency of the hydraulic structures across the roads is in the form of rollover crossbanks with dimensions controlled by discharge rates of overland flow, threshold water velocities for erosion, and wheel-base dimensions of vehicles traversing the roads.
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|Item Type:||Conference Paper|
|Additional Information:||Self-archiving of the author-version is not yet supported by this publisher. For more information, please refer to the publisher's website (see hypertext link) or contact the author.|
|Keywords:||water erosion, unpaved sand roads, Fraser Island, rollover crossbanks|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Water Quality Engineering (090508)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Modelling (090702)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700) > Environmental Engineering Design (090701)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
|Copyright Owner:||Copyright 2001 Engineers Australia|
|Deposited On:||30 May 2006|
|Last Modified:||09 Jun 2010 12:32|
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