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KMID : 1024520210300070573
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Journal of the Environmental Sciences
2021 Volume.30 No. 7 p.573 ~ p.584
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Effect of Daily Mean PM10 and PM2.5 on Distribution of Excessive Mortality Risks from Respiratory and Cardiovascular Diseases in Busan
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Do Woo-Gon
Jung Woo-Sik
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Abstract
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To analyze the effects of PM10 and PM2.5 on daily mortality cases, the relations of death counts from natural causes, respiratory diseases, and cardiovascular diseases with PM10 and PM2.5 concentrations were applied to the generalized additive model (GAM) in this study. From the coefficients of the GAM model, the excessive mortality risks due to an increase of 10 μg/m3 in daily mean PM10 and PM2.5 for each cause were calculated. The excessive risks of deaths from natural causes, respiratory diseases, and cardiovascular diseases were 0.64%, 1.69%, and 1.16%, respectively, owing to PM10 increase and 0.42%, 2.80%, and 0.91%, respectively, owing to PM2.5 increase. Our result showed that particulate matter posed a greater risk of death from respiratory diseases and is consistent with the cases in Europe and China. The regional distribution of excessive risk of death is 0.24%?0.81%, 0.34%?2.6%, and 0.62%?1.94% from natural causes, respiratory diseases, and cardiovascular diseases, respectively, owing to PM10 increase, and 0.14%?1.02%, 1.07%?3.92%, and 0.22%?1.73% from natural causes, respiratory diseases, and cardiovascular diseases, respectively, owing to PM2.5 increase. Our results represented a different aspect from the regional concentration distributions. Thus, we saw that the concentration distributions of air pollutants differ from the affected areas and identified the need for a policy to reduce damage rather than reduce concentrations.
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KEYWORD
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Generalized additive model, Mortality, PM10, PM2.5, Respiratory diseases, Cardiovascular diseases
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