globalchange  > 科学计划与规划
DOI: 10.1002/2014GL062573
论文题名:
Highly reactive light-dependent monoterpenes in the Amazon
作者: Jardine A.B.; Jardine K.J.; Fuentes J.D.; Martin S.T.; Martins G.; Durgante F.; Carneiro V.; Higuchi N.; Manzi A.O.; Chambers J.Q.
刊名: Geophysical Research Letters
ISSN: 0094-8911
EISSN: 1944-8642
出版年: 2015
卷: 42, 期:5
起始页码: 1576
结束页码: 1583
语种: 英语
英文关键词: atmospheric oxidation ; light-dependent monoterpenes ; ozonolysis ; secondary organic aerosols ; tropical VOC emissions ; vertical forest structure
Scopus关键词: Aerosols ; Atmospheric aerosols ; Atmospheric structure ; Forestry ; Mixing ; Ozone ; Photooxidation ; Photosynthesis ; Atmospheric oxidation ; Forest structure ; Ozonolysis ; Secondary organic aerosols ; VOC emissions ; Monoterpenes ; aerosol composition ; ambient air ; atmospheric pollution ; forest canopy ; light effect ; mixing ratio ; monoterpene ; rainforest ; tropical forest ; volatile organic compound ; Amazonia
英文摘要: Despite orders of magnitude difference in atmospheric reactivity and great diversity in biological functioning, little is known about monoterpene speciation in tropical forests. Here we report vertically resolved ambient air mixing ratios for 12 monoterpenes in a central Amazon rainforest including observations of the highly reactive cis-β-ocimene (160 ppt), trans-β-ocimene (79 ppt), and terpinolene (32 ppt) which accounted for an estimated 21% of total monoterpene composition yet 55% of the upper canopy monoterpene ozonolysis rate. All 12 monoterpenes showed a mixing ratio peak in the upper canopy, with three demonstrating subcanopy peaks in 7 of 11 profiles. Leaf level emissions of highly reactive monoterpenes accounted for up to 1.9% of photosynthesis confirming light-dependent emissions across several Amazon tree genera. These results suggest that highly reactive monoterpenes play important antioxidant roles during photosynthesis in plants and serve as near-canopy sources of secondary organic aerosol precursors through atmospheric photooxidation via ozonolysis. © 2015. The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84925845191&doi=10.1002%2f2014GL062573&partnerID=40&md5=c1958839b652ada968d86ffdd0a1c105
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8527
Appears in Collections:科学计划与规划
气候变化与战略

Files in This Item:

There are no files associated with this item.


作者单位: Climate and Environment Department, Instituto Nacional de Pesquisas da Amazônia, Manaus, Brazil

Recommended Citation:
Jardine A.B.,Jardine K.J.,Fuentes J.D.,et al. Highly reactive light-dependent monoterpenes in the Amazon[J]. Geophysical Research Letters,2015-01-01,42(5).
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Jardine A.B.]'s Articles
[Jardine K.J.]'s Articles
[Fuentes J.D.]'s Articles
百度学术
Similar articles in Baidu Scholar
[Jardine A.B.]'s Articles
[Jardine K.J.]'s Articles
[Fuentes J.D.]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Jardine A.B.]‘s Articles
[Jardine K.J.]‘s Articles
[Fuentes J.D.]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.