Assessing the effectiveness of air-bubble plume aeration in reducing evaporation from farm dams in Australia using modelling

Fernanda Helfer, C. Lemckert, Hong Zhang

Research output: A Conference proceeding or a Chapter in BookConference contribution

2 Citations (Scopus)

Abstract

This paper aims to assess the effectiveness of artificial destratification by airbubble plumes in reducing evaporation from farm dams in Australia. A onedimensional model was applied to simulate the change in water temperature and evaporation rates of a real farm dam in Queensland under aeration conditions. Results show that destratification systems can reduce surface temperature, but the highest reduction in evaporation for the studied reservoir would be only 2.5%. The main conclusion is that it is unlikely that the technique will be feasible for small farm dams, given the high costs involved with the operation of an aeration system and the small quantity of water saved through evaporation reduction. The results also indicate that the technique may be effective for reservoirs that experience long periods of accentuated thermal stratification, such as large, deep dams, in which the mixing process would lead to higher reductions in surface temperature and, consequently, in evaporation rates.

Original languageEnglish
Title of host publicationWater Resources Management VI
EditorsC.A. Brebbia
PublisherWITPress
Pages485-496
Number of pages12
Volume145
ISBN (Print)9781845645144
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event6th International Conference on Sustainable Water Resources Management, WRM 2011 - Riverside, Riverside, United States
Duration: 23 May 201125 May 2011

Conference

Conference6th International Conference on Sustainable Water Resources Management, WRM 2011
CountryUnited States
CityRiverside
Period23/05/1125/05/11

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Cite this

Helfer, F., Lemckert, C., & Zhang, H. (2011). Assessing the effectiveness of air-bubble plume aeration in reducing evaporation from farm dams in Australia using modelling. In C. A. Brebbia (Ed.), Water Resources Management VI (Vol. 145, pp. 485-496). WITPress. https://doi.org/10.2495/WRM110421