Urban Water Security Research Alliance Science Forum and Stakeholder Engagement Building Linkages, Collaboration and Science Quality 28-29 September 2010 Brisbane, Queensland Program and Abstracts UWSRA Science Forum and Stakeholder Engagement – Program and Abstracts ISSN 1839-1230 (Print) UWSRA Science Forum and Stakeholder Engagement – Program and Abstracts ISSN 1839-1249 (Online) The Urban Water Security Research Alliance (UWSRA) is a $50 million partnership over five years between the Queensland Government, CSIRO’s Water for a Healthy Country Flagship, Griffith University and The University of Queensland. The Alliance has been formed to address South-East Queensland's emerging urban water issues with a focus on water security and recycling. The program will bring new research capacity to South-East Queensland tailored to tackling existing and anticipated future issues to inform the implementation of the Water Strategy. For more information about the: UWSRA - visit http://www.urbanwateralliance.org.au/ Queensland Government - visit http://www.qld.gov.au/ Water for a Healthy Country Flagship - visit www.csiro.au/org/HealthyCountry.html The University of Queensland - visit http://www.uq.edu.au/ Griffith University - visit http://www.griffith.edu.au/ Enquiries should be addressed to: The Urban Water Security Research Alliance PO Box 15087 CITY EAST QLD 4002 Ph: 07-3247 3005; Fax: 07- 3405 3556 Email: [email protected] Begbie, D.K. and Wakem, S.L. (eds) (2010), Science Forum and Stakeholder Engagement: Building Linkages, Collaboration and Science Quality, Urban Water Security Research Alliance, 28-29 September, Brisbane, Queensland. Copyright © 2010 CSIRO To the extent permitted by law, all rights are reserved and no part of this publication covered by copyright may be reproduced or copied in any form or by any means except with the written permission of CSIRO. Disclaimer The partners in the UWSRA advise that the information contained in this publication comprises general statements based on scientific research and does not warrant or represent the accuracy, currency and completeness of any information or material in this publication. The reader is advised and needs to be aware that such information may be incomplete or unable to be used in any specific situation. No action shall be made in reliance on that information without seeking prior expert professional, scientific and technical advice. To the extent permitted by law, UWSRA (including its Partner’s employees and consultants) excludes all liability to any person for any consequences, including but not limited to all losses, damages, costs, expenses and any other compensation, arising directly or indirectly from using this publication (in part or in whole) and any information or material contained in it. Contents Welcome from the Chair .............................................................................................................................5 The Alliance Research Program and Project Leaders.............................................................................6 Alliance Research Projects 2010-2012 - Poster .......................................................................................7 Program........................................................................................................................................................8 Abstracts – Podium Presentations..........................................................................................................13 Communal Rainwater Harvesting: Monitoring and Validation ................................................................................................ 14 What Predicts Household Water Use Intentions and Behaviour in SEQ?............................................................................... 17 South East Queensland Residential Water End Use Study: Baseline Results ....................................................................... 20 Bioanalytical Tools to Evaluate Micropollutants across the Seven Barriers of the Indirect Potable Reuse Scheme .............. 22 Removal of Pharmaceuticals and Personal Care Products from Secondary Effluents by Ozone/Biological Activated Carbon Plants in Australia .......................................................................................................................................... 24 Minimising the NDMA Formation during the Production of Purified Recycled Water.............................................................. 26 Disinfection By-Product (DBP) Formation and Minimisation in Drinking Water....................................................................... 28 Univariate Event Detection for Real-Time WWTP Protection.................................................................................................. 30 Drought Frequency and Duration Projections for SEQ............................................................................................................ 32 Urban-Rural Water Exchange with Purified Recycled Water as an Adjunct to Groundwater Resources for Irrigation in the Lockyer Valley ...................................................................................................................................................... 34 Life Cycle Analysis of the Gold Coast Urban Water Cycle...................................................................................................... 36 Evaluation of Wind and Wave Action on Monolayers and Assessment of their Optical Properties ........................................ 39 Abstracts - Others .....................................................................................................................................43 Pre-Treatment Monitoring of Logan Dam Ecosystem and its Potential Responses to Monolayer Application ....................... 44 An Assessment of Floating Hard Covers on Large Water Storages within South East Queensland ......................................46 Will Artificial Monolayers Adversely Affect Water Quality? Insights from Twelve Months of Monitoring with No Monolayer ................................................................................................................................................................... 48 Photodegradation of Australian Freshwater Microlayers and the Implications for Potable Water Management..................... 50 Electrochemical Oxidation of Trace Organic Contaminants in Reverse Osmosis Concentrate using Ti/Ru0.7Ir0.3O2 Anodes........................................................................................................................................................................ 52 The Collapse of Rainfall Teleconnections to Climate Drivers over South East Queensland .................................................. 55 Quantification of Evaporation from a Water Storage Reservoir: An Inter-Comparison of Scintillometry and Eddy Covariance Methods................................................................................................................................................... 57 Adoption of Decentralised Water Supplies: The Role of Community Perceptions .................................................................. 59 A Comparison of Different Methods of Impervious Area Estimation ....................................................................................... 62 Catchment Hydrology Modelling for Stormwater Harvesting Study in SEQ: From Instrumentation to Simulation ................. 65 Triple Bottom Line Analysis of Water Servicing Options – Identifying and Valuing Externalities as an Input for Decision-Making ......................................................................................................................................................... 68 Assessing Potable Water Savings of Rainwater Tanks at a Regional Scale .......................................................................... 70 Methane Emissions from Little Nerang and Hinze Dams........................................................................................................ 73 Poster - Abstracts .....................................................................................................................................77 Posters - Presented...................................................................................................................................87 Influence of Electrode Material on the Electrochemical Oxidation of Reverse Osmosis Concentrates .................................. 88 Critical Thresholds of Ecological Function and Recovery Associated with Flow Events in Urban Streams............................89 Purified Recycled Water - Research Outcomes ...................................................................................................................... 90 Pathogens and Trace Chemicals in Dams .............................................................................................................................. 91 The Meteorological Controls on Lake-Atmosphere CO2 Exchange........................................................................................ 92 Validation and Monitoring of Cluster-Scale Wastewater Treatment Technologies ................................................................. 93 Fundamental Investigation on Biological Activated Carbon? .................................................................................................. 94 Understanding Water Savings from Mandated Rainwater Tanks in South East Queensland................................................