Application of the IPCC Waste Model to solid waste disposal sites in tropical countries: Case study of Thailand
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Author list: Wangyao K., Towprayoon S., Chiemchaisri C., Gheewala S.H., Nopharatana A.
Publisher: Springer
Publication year: 2010
Journal: Environmental Monitoring and Assessment (0167-6369)
Volume number: 164
Issue number: #
Start page: 249
End page: 261
Number of pages: 13
ISSN: 0167-6369
eISSN: 1573-2959
Languages: English-Great Britain (EN-GB)
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Abstract
Measurements of landfill methane emission were performed at nine solid waste disposal sites in Thailand, including five managed sanitary landfills (four deep and one shallow landfills) and four unmanaged landfills (three deep and one shallow dumpsites). It was found that methane emissions during the rainy season were about five to six times higher than those during the winter and summer seasons in the case of managed landfills and two to five times higher in the case of unmanaged landfills. Methane emission estimate using the Intergovernmental Panel on Climate Change (IPCC) Waste Model was compared with the actual field measurement from the studied disposal sites with methane correction factors and methane oxidation factors that were obtained by error function analysis with default values of half-life parameters. The methane emissions from the first-order decay model from the IPCC Waste Model yielded fair results compared to field measurements. The best fitting values of methane correction factor were 0.65, 0.20, 0.15, and 0.1 for deep landfills, shallow landfills, deep dumpsites, and shallow dumpsites, respectively. Using these key parameters in the case of Thailand, it was estimated that 89.22 Gg of methane were released from solid waste disposal sites into the atmosphere in 2006. ฉ 2009 Springer Science+Business Media B.V.
Keywords
Flux chamber, IPCC Waste Model, Landfill gas, Methane correction factor, Methane emission
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