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https://hdl.handle.net/2440/1054
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Type: | Journal article |
Title: | Modelling sedimentation processes in a constructed stormwater wetland |
Author: | Walker, D. |
Citation: | Science of the Total Environment, 2001; 266(01-Mar):61-68 |
Publisher: | Elsevier Science BV |
Issue Date: | 2001 |
ISSN: | 0048-9697 |
Statement of Responsibility: | D. J. Walker |
Abstract: | The design and operation of constructed wetlands for the treatment of stormwater relies heavily on promoting sedimentation, and being able to predict accurately the expected effectiveness of the pond in removing material from the inflows. A study of sediment behaviour has been carried out in a stormwater wetland in Adelaide, Australia where computer predictions, based on solving the hydrodynamic equations and the transport equation, have been compared to deposition patterns observed in the field. The long-term residence time distribution has been shown to be useful in predicting overall sediment removal rates. Comparisons between the model and field observations indicate generally good agreement. Sources of potential error identified include the variable nature of the runoff concentrations entering the pond and the sediment size distribution. The importance of the transient nature of the flow events was highlighted by the spread of sediment throughout the whole pond. |
Description: | Copyright © 2001 Elsevier Science B.V. All rights reserved. |
DOI: | 10.1016/S0048-9697(00)00730-0 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/503360/description#description |
Published version: | http://dx.doi.org/10.1016/s0048-9697(00)00730-0 |
Appears in Collections: | Aurora harvest 2 Civil and Environmental Engineering publications |
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