Pittaway, P. and Matveev, V. and Stuckey, N. (2011) Effect of a monolayer on water quality at the air-water interface. In: 3rd Urban Water Security Reseach Alliance Science Forum and Stakeholder Engagement, 14-15 Sep 2011, Brisbane, Australia.
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Water quality in an irrigation storage in Southeast Queensland was monitored on a fortnightly basis, for 18 months prior to monolayer application. Monitoring continued during the eight weeks of intermittent application, when 840 L of an experimental product was applied to the surface of the 16 ha storage. Indicators of water chemistry and biology were monitored on surface (microlayer), immediate subsurface and water column samples. Application of the monolayer compound was immediately detected as an increase in surface tension across the storage. There was no detectable increase above pre-application variation in dissolved oxygen, temperature, pH, conductivity, COD or BOD. Populations of phenol-degrading bacteria and phytoplankton peaked during the application period, indicating that the monolayer compound and/or climatic conditions prevailing during the selected application dates stimulated growth. Monolayer application to this storage appears relatively benign, but results should only be extrapolated to other less agriculturally impacted water storages with caution.
|Item Type:||Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)|
|Additional Information:||c. 2011 CSIRO. Permanent restricted access to published version due to publisher copyright policy.|
|Uncontrolled Keywords:||monolayer; air/water interface; microlayer; limnology; water quality|
|Fields of Research (FOR2008):||09 Engineering > 0905 Civil Engineering > 090508 Water Quality Engineering|
07 Agricultural and Veterinary Sciences > 0799 Other Agricultural and Veterinary Sciences > 079901 Agricultural Hydrology (Drainage, Flooding, Irrigation, Quality, etc.)
06 Biological Sciences > 0605 Microbiology > 060504 Microbial Ecology
|Socio-Economic Objective (SEO2008):||D Environment > 96 Environment > 9606 Environmental and Natural Resource Evaluation > 960608 Rural Water Evaluation (incl. Water Quality)|
|Deposited On:||05 Jun 2012 15:42|
|Last Modified:||17 Oct 2012 12:41|
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