Correlation Analysis Between Dry Deposition of Gas Sulfur Dioxide and Land Use in Nakhon Ratchasima Province and Songkhla Province
Keywords:
Dry deposition, Land use, Pearson's correlationAbstract
The objective of this study is to study the relationship between land use and dry deposition of sulfur dioxide gas and to differentiate dry deposition of sulfur dioxide gas along Thailand’s seasons. This study apply method Pearson's Correlation and Variance Analysis (ANOVA) to secondary data of Nakhon Ratchasima Province (Rural area representative) and Songkhla Province (Urban area representative). The secondary data from Pollution Control Department and the Department of Land Development, Thailand during 2011 to 2015. The representative area as rural area cover 90.5% of forest area and 48.68% cover of urban area within 5 kilometers As a result of dry deposition of sulfur dioxide gas according to found that, the accumulation rate of dry deposition of sulfur dioxide gas in winter and summer are higher than rainy season. From the analysis of variance of dry deposition of sulfur dioxide gas, it found that all the rural area in Nakhon Ratchasima has statistically significant difference p-value 0.05 however the urban area shows no statistically significant. The result of Pearson's Correlation analysis between the utilization of urban land, forest and dry deposition are significant in the same direction with p-value 0.05 and 0.01 respectively in Nakhon Ratchasima rural area. Songkhla urban area was found to be significantly associated through the utilization of urban land which is the same direction as the sulfur dioxide dry deposition in the same way p-value 0.01. In summarize via the prediction, the dry deposition of sulfur dioxide gas will be increased in risky amount especially in population density area and agricultural area from the combustion of biomass, especially in winter and summer.
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