Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2016JD025935 |
A sensitivity analysis of key natural factors in the modeled global acetone budget | |
Brewer, J. F.1; Bishop, M.1; Kelp, M.2; Keller, C. A.3; Ravishankara, A. R.1,4; Fischer, E. V.1 | |
2017-02-16 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES |
ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2017 |
卷号 | 122期号:3 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Acetone is one of the most abundant carbonyl compounds in the atmosphere, and it serves as an important source of HOx (OH + HO2) radicals in the upper troposphere and a precursor for peroxyacetyl nitrate. We present a global sensitivity analysis targeted at several major natural source and sink terms in the global acetone budget to find the input factor or factors to which the simulated acetone mixing ratio was most sensitive. The ranges of input factors were taken from literature. We calculated the influence of these factors in terms of their elementary effects on model output. Of the six factors tested here, the four factors with the highest contribution to total global annual model sensitivity are direct emissions of acetone from the terrestrial biosphere, acetone loss to photolysis, the concentration of acetone in the ocean mixed layer, and the dry deposition of acetone to ice-free land. The direct emissions of acetone from the terrestrial biosphere are globally important in determining acetone mixing ratios, but their importance varies seasonally outside the tropics. Photolysis is most influential in the upper troposphere. Additionally, the influence of the oceanic mixed layer concentrations are relatively invariant between seasons, compared to the other factors tested. Monoterpene oxidation in the troposphere, despite the significant uncertainties in acetone yield in this process, is responsible for only a small amount of model uncertainty in the budget analysis. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000396119200039 |
WOS关键词 | VOLATILE ORGANIC-COMPOUNDS ; O-3-INITIATED REACTIONS ; AIRCRAFT OBSERVATIONS ; PACIFIC TROPOSPHERE ; INITIATED OXIDATION ; QUANTUM YIELDS ; PRODUCT YIELDS ; OH ; EMISSIONS ; HYDROCARBONS |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/33855 |
专题 | 气候变化 |
作者单位 | 1.Colorado State Univ, Dept Atmospher Sci, Ft Collins, CO 80523 USA; 2.Reed Coll, Dept Chem, Portland, OR 97202 USA; 3.Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA; 4.Colorado State Univ, Dept Chem, Ft Collins, CO 80523 USA |
推荐引用方式 GB/T 7714 | Brewer, J. F.,Bishop, M.,Kelp, M.,et al. A sensitivity analysis of key natural factors in the modeled global acetone budget[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(3). |
APA | Brewer, J. F.,Bishop, M.,Kelp, M.,Keller, C. A.,Ravishankara, A. R.,&Fischer, E. V..(2017).A sensitivity analysis of key natural factors in the modeled global acetone budget.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(3). |
MLA | Brewer, J. F.,et al."A sensitivity analysis of key natural factors in the modeled global acetone budget".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.3(2017). |
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