Formation and gas/particle partitioning of monoterpenes photo-oxidation products over forests

被引：120

作者：

Kavouras, IG ^{[1
]}

Mihalopoulos, N ^{[1
]}

Stephanou, EG ^{[1
]}

机构：

[1] Univ Crete, Dept Chem, Environm Chem Proc Lab, Heraklion 71409, Greece

来源：

GEOPHYSICAL RESEARCH LETTERS | 1999年 / 26卷 / 01期

关键词：

D O I：

10.1029/1998GL900251

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

By using adequate sampling techniques we studied the chemical pathways, the gas-to-particle partition find the conversion processes leading to the formation of organic aerosols via the photo-oxidation of biogenic hydrocarbons in the atmosphere over a conifer forest. Photo-oxidation products of monoterpenes such as pinonic acid, nor-pinonic acid, pinic acid, pinonaldehyde and nopinone were detected in the gas and particulate phases of all forest aerosol samples. Considering the diurnal concentration pattern of the photo-oxidation products of alpha- and beta-pinene and Aitken nuclei concentration measured during the same periods, we observed that the acidic photo-oxidation. products of monoterpenes play a more important role in the formation of new particles than the corresponding carbonyl compounds.

引用

页码：55 / 58

页数：4

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