Elemental compositions of individual aerosol particles collected over the Southern Ocean: A case study

被引：10

作者：

Mouri, H

Nagao, I

Okada, K

Koga, S

Tanaka, H

机构：

[1] NAGOYA UNIV,INST HYDROSPHER ATMOSPHER SCI,NAGOYA,AICHI 46401,JAPAN

[2] NATL INST RESOURCES & ENVIRONM,TSUKUBA,IBARAKI 305,JAPAN

来源：

ATMOSPHERIC RESEARCH | 1997年 / 43卷 / 02期

关键词：

elemental composition; aerosol particles; Southern Ocean; case study; Antarctic atmosphere; cloud physics;

D O I：

10.1016/S0169-8095(96)00030-0

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

Marine aerosols have been sampled from the boundary layer over the Southern Ocean. By means of X-ray spectrometry, elemental compositions of individual particles have been studied, The data reveal the occurrence of two chemical processes over the Southern Ocean: (1) modification of sea salts by acidic materials, where Cl- is replaced by SO42- and/or NO3-, and (2) fractional recrystallization within evaporating seawater drops followed by shattering. The effects of these phenomena appear to be simultaneously enhanced when there is mass transfer from the free troposphere.

引用

页码：183 / 195

页数：13

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