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首页> 外文期刊>Tellus, Series B. Chemical and Physical Meteorology >Individual-particle analyses of coastal Antarctic aerosols
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Individual-particle analyses of coastal Antarctic aerosols

机译:沿海南极气溶胶的单颗粒分析

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Samplings of aerosol particles were made almost monthly throughout a year at a coastal Antarctic station Syowa (69 degrees 00'S, 39 degrees 35'E). With X-ray spectrometry. elemental composition of the individual particles is studied. The dominant aerosol constituents are sulfur species and sea salt. They are internally mixed with each other in most cases. We find seasonal variations in (1) the relative importance of sulfur and sea salt, and (2) the modification of sea salt by acidic materials. In the austral-summer samples, the number fractions of sulfur-rich particles and modified sea-salt particles are high, because the production of marine organosulfer was enhanced. In the austral-winter samples, the number fraction of unmodified sea-salt particles is high, because severe storms enhanced the production of sea salt. [References: 29]
机译:一年中几乎每个月在沿海南极站Syowa(69度00',39度35'E)取样。用X射线光谱法。研究了单个颗粒的元素组成。气溶胶的主要成分是硫和海盐。在大多数情况下,它们在内部相互混合。我们发现(1)硫和海盐的相对重要性,以及(2)用酸性物质对海盐进行改性的季节变化。在南澳大利亚夏季样品中,富含硫的颗粒和改性的海盐颗粒的数量分数很高,因为可以提高海洋有机硫的产生。在南澳大利亚冬季的样本中,未改性的海盐颗粒的数量比例很高,因为严重的风暴会增加海盐的产生。 [参考:29]

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