Publication Date:
2017-06-02
Description:
Insight into naturally-charged Highly Oxidized Molecules (HOMs) in the boreal forest Federico Bianchi, Olga Garmash, Xucheng He, Chao Yan, Siddharth Iyer, Ida Rosendahl, Zhengning Xu, Matti P. Rissanen, Matthieu Riva, Risto Taipale, Nina Sarnela, Tuukka Petäjä, Douglas R. Worsnop, Markku Kulmala, Mikael Ehn, and Heikki Junninen Atmos. Chem. Phys. Discuss., https//doi.org/10.5194/acp-2017-481,2017 Manuscript under review for ACP (discussion: open, 0 comments) Naturally charged highly oxidised molecules (HOMs) were characterized using advanced mass spectrometers. Two different classes of compounds, clustered with the most abundant inorganic acids, were identified: HOMs containing only carbon, hydrogen and oxygen and nitrogen-containing HOMs or organonitrates (ONs). They exhibit strong diurnal variations where HOMs peak during night and ONs during day. Finally, large clusters containing up to 40 carbon atoms (4 oxidized α-pinene units) were observed.
Print ISSN:
1680-7316
Electronic ISSN:
1680-7324
Topics:
Geosciences
