Visual comparison of spatial patterns of annual suspended sediment loads estimated by two water quality modelling approaches

Fentie, B., Pagendam, D. and Roberts, D. (2009). Visual comparison of spatial patterns of annual suspended sediment loads estimated by two water quality modelling approaches. In: Anderssen, R. S., Braddock, R. D. and Newham, L. T. H., Proceedings of the 18th World IMACS Congress and MODSIM09 International Congress on Modelling and Simulation. 18th World IMACS Congress and MODSIM09 International Congress on Modelling and Simulation, Cairns, Australia, (3315-3321). 13-17 July, 2009.


Author Fentie, B.
Pagendam, D.
Roberts, D.
Title of paper Visual comparison of spatial patterns of annual suspended sediment loads estimated by two water quality modelling approaches
Conference name 18th World IMACS Congress and MODSIM09 International Congress on Modelling and Simulation
Conference location Cairns, Australia
Conference dates 13-17 July, 2009
Convener Braddock, R. and Anderssen, B.
Proceedings title Proceedings of the 18th World IMACS Congress and MODSIM09 International Congress on Modelling and Simulation
Journal name 18th World IMACS Congress and MODSIM09 International Congress on Modelling and Simulation: Interfacing Modelling and Simulation with Mathematical and Computational Sciences, Proceedings
Place of Publication Canberra, Australia
Publisher Modelling and Simulation Society of Australia and New Zealand and International Association for Mathematics and Computers in Simulation
Publication Year 2009
Sub-type Fully published paper
ISBN 978-0-9758400-7-8
Editor Anderssen, R. S.
Braddock, R. D.
Newham, L. T. H.
Volume 1
Start page 3315
End page 3321
Total pages 7
Language eng
Abstract/Summary The Queensland Department of Environment and Resource Management is using the SedNet and E2 water quality modelling approaches to support government policy and natural resource managers in improving water quality. SedNet is designed to determine the long-term average annual sediment load, and does not deal with temporal variability. It includes hillslope erosion, gully erosion, and riverbank erosion, which enables land managers to undertake on ground works in areas of the landscape that generate disproportionate quantities of sediment. E2 is a daily time step model capable of modelling temporal variability in water quality as a result of management and/or climate changes. However, hillslope erosion, gully erosion, and riverbank erosion are not currently explicitly represented in E2 in which sediment generation is based on the concept of Event Mean Concentration (EMC) and Dry Weather Concentration (DWC) with user assigned values depending on factors such as land use, soil type, and topography. As a modelling framework, E2 is capable of housing alternative models for the same process. Both SedNet and E2 modelling approaches are based on node-link configuration of the stream network generated from pitfilled digital elevation models. This configuration allows the user to determine outputs from either model at any point of interest within the catchment.
Subjects E1
9611 Physical and Chemical Conditions of Water
059999 Environmental Sciences not elsewhere classified
Keyword Burnett catchment
Dry Weather Concentration
Event Mean Concentration
E2
SedNet
TSS
Q-Index Code E1
Q-Index Status Confirmed Code

 
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Created: Wed, 05 Aug 2009, 00:09:33 EST by Marie Grove on behalf of School of Mathematics & Physics