Schmidt, Erik (2009) Reducing evaporation losses. International Water Power and Dam Construction, 61 (10). pp. 38-39. ISSN 0306-400X
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Australia is employing mitigation technologies to counter annual evaporation losses from irrigation storage dams and channels. Annual evaporation losses from these storages are estimated to be around 1.32GL/yr and up to 2.88GL/yr. A water balance approach provides a practical approach for estimating aggregate losses due to evaporation. The accuracy of this method depends greatly on the accuracy of the equipment used to measure the change in water depth. Monitoring systems and data analysis techniques have recently been commercialized by Aquatech Consulting as the Irrigate Seepage and Evaporation Meter. Chemical covers have been promoted as a low cost method to reduce evaporation losses. These products are generally biodegradable and there is a need to reapply frequently (between three and ten days). Monolayers also offer much potential for affecting evaporation savings but inconsistent evaporation saving performance has limited their adoption in Australia.
|Item Type:||Article (Commonwealth Reporting Category C)|
|Additional Information:||This is a non-refereed article. International Water Power and Dam Construction ©2011.|
|Uncontrolled Keywords:||water conservation; dams; water storage; monolayers; measuring loss; covers; irrigation; monitoring system; water budget|
|Fields of Research (FOR2008):||09 Engineering > 0907 Environmental Engineering > 090702 Environmental Engineering Modelling|
07 Agricultural and Veterinary Sciences > 0799 Other Agricultural and Veterinary Sciences > 079901 Agricultural Hydrology (Drainage, Flooding, Irrigation, Quality, etc.)
09 Engineering > 0905 Civil Engineering > 090509 Water Resources Engineering
|Socio-Economic Objective (SEO2008):||D Environment > 96 Environment > 9609 Land and Water Management > 960905 Farmland, Arable Cropland and Permanent Cropland Water Management|
|Deposited On:||02 Dec 2011 16:06|
|Last Modified:||12 Dec 2011 14:58|
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