環境システム研究
Online ISSN : 1884-8117
Print ISSN : 0915-0390
ISSN-L : 0915-0390
北東アジアにおける窒素酸化物排出量の将来予測
モータリゼーションと自動車からの排出量の増加
臼井 朗花木 啓祐秋元 肇
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1999 年 27 巻 p. 187-198

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Emission of nitrogen oxides (NOx) in Northeast Asia (China, , South Korea, Taiwan and Japan) has been predicted in the near future of 21st century (2000, 2010 and 2020). In order to increase accuracy of estimate of NOx emission from automobiles accompanying with “motorization” in this region, a new method of predicting automobile owning per capita based on GDP per capita converted by purchasing power parity (PPP) has been developed. Total amounts of NOx emissions from automobiles in the Northeast Asia was estimated to be 2.69, 3.91, 6.04 M t/yr in 2000, 2010, and 2020, respectively, which is larger than the value, 2.51 M t/y r, in 1995 by a factor of 1.1, 1.6, 2.4, respectively. The contribution of China to the total NOx emission from automobiles in the Northeast Asia are 41, 63, 77% in 2000, 2010, and 2020 as compared to 38% in 1995.

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