エアロゾル研究
Online ISSN : 1881-543X
Print ISSN : 0912-2834
特集「エアロゾルと同位体」
安定同位体組成を指標に用いた窒素酸化物の起源解析と窒素循環定量への応用
角皆 潤中川 書子
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31 巻 (2016) 1 号 p. 5-14

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Abstract In this paper, recent advances in using stable isotopes of atmospheric nitrate to trace the origin and fate are reviewed. While nitrogen isotopes have been used as the indicators of NOx source contributions to the atmospheric nitrate, cautions must be taken for the isotopic fractionations during the photochemical reactions of NOX in atmosphere. On the other hand, the triple oxygen isotope composition (Δ17O) is a robust tracer for the photochemical reaction path of NOX in atmosphere. Besides, the triple oxygen isotope composition can be applied to trace the fate of atmospheric nitrate and to evaluate biological processing of nitrate within the earth surface ecosystems.

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© 2016 日本エアロゾル学会
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