ORGANIC COMPONENTS OF ANTARCTIC SNOW AND ICE : PART 1. VOLATILE FATTY ACIDS IN SNOW DRIFT
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概要
- 論文の詳細を見る
Snow drift samples collected on Mizuho Plateau, Antarctica, were analyzed for volatile fatty acids including formic, acetic, propionic and butyric acids. Formic (2.3-11.7 ppb) and acetic (11.4-59.8 ppb) acids were detected as major components. Their concentrations were far lower than those reported in rain and snow samples from urban, rural and remote areas. However, the concentrations were higher than those of formic and acetic acid concentrations reported in the ice core sample collected from the coast of East Antarctica. The concentrations of volatile fatty acids in snow drift samples showed a marked seasonal variation, i. e., low levels in winter and high levels in summer, correlating with solar radiation. Based on this seasonal variation, we concluded that these volatile fatty acids were produced by photochemical oxidation of atmospheric hydrocarbons. The contribution of these volatile fatty acids to the acidity of snow drift was indicated to be small.
- 国立極地研究所の論文
著者
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Nishio Fumihiko
National Institute Of Polar Research
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Osada Kazuo
Water Research Institute, Nagoya University
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Ohta Keiichi
Water Research Institute Nagoya University
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Osada Kazuo
Water Research Institute Nagoya University
関連論文
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