Estimation of emissions from sugarcane field burning in thailand using bottom-up country-specific activity data
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Author list: Sornpoon W., Bonnet S., Kasemsap P., Prasertsak P., Garivait S.
Publisher: MDPI
Publication year: 2014
Journal: Atmosphere (2073-4433)
Volume number: 5
Issue number: 3
Start page: 669
End page: 685
Number of pages: 17
ISSN: 2073-4433
eISSN: 2073-4433
Languages: English-Great Britain (EN-GB)
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Abstract
Open burning in sugarcane fields is recognized as a major source of air pollution. However, the assessment of its emission intensity in many regions of the world still lacks information, especially regarding country-specific activity data including biomass fuel load and combustion factor. A site survey was conducted covering 13 sugarcane plantations subject to different farm management practices and climatic conditions. The results showed that pre-harvest and post-harvest burnings are the two main practices followed in Thailand. In 2012, the total production of sugarcane biomass fuel, i.e., dead, dry and fresh leaves, amounted to 10.15 million tonnes, which is equivalent to a fuel density of 0.79 kgทm-2. The average combustion factor for the pre-harvest and post-harvest burning systems was determined to be 0.64 and 0.83, respectively. Emissions from sugarcane field burning were estimated using the bottom-up country-specific values from the site survey of this study and the results compared with those obtained using default values from the 2006 IPCC Guidelines. The comparison showed that the use of default values lead to underestimating the overall emissions by up to 30% as emissions from post-harvest burning are not accounted for, but it is the second most common practice followed in Thailand. ฉ 2014 by the authors; licensee MDPI, Basel, Switzerland.
Keywords
Biomass burning, Biomass load, Combustion efficiency, Combustion factor, Residue to product ratio, Sugarcane biomass fuel
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