| DOI: | 10.2172/1169440
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| 报告号: | DOE-UCI--0006606
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| 报告题名: | Laboratory Studies of the Role of Amines in Particle Formation, Growth and Climate |
| 作者: | Finlayson-Pitts, Barbara J.
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| 出版年: | 2015
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| 发表日期: | 2015-02-07
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| 总页数: | 6
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| 国家: | 美国
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| 语种: | 英语
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| 英文关键词: | new particle formation, methanesulfonic acid, amines, organosulfur compounds
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| 中文主题词: | 硫磺
; 排放物
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| 主题词: | SULFUR
; EMISSIONS
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| 英文摘要: | Organosulfur compounds have a variety of sources, particularly biological processes in the oceans. Their oxidation in air forms sulfur dioxide, which is further oxidized to sulfuric acid, as well as methanesulfonic acid (MSA). While sulfuric acid is a well known precursor to particles in air, MSA had not been regarded as a source of new particle formation. Laboratory studies were carried out under this project that showed MSA forms new particles quite efficiently in the presence of amines and water vapor. The data could be reproduced with a relatively simple kinetics model representing cluster formation and growth, which is promising for representing this chemistry in global climate models. The initial steps in the kinetics scheme are based on quantum chemical calculations of likely clusters. The organosulfur chemistry was introduced into an atmospheric model for southern California and used to predict the impact of going to a fossil-fuel free world in which anthropogenic emissions of SO2 are removed, but the natural processes remain. |
| URL: | http://www.osti.gov/scitech/servlets/purl/1169440
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| Citation statistics: |
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| 资源类型: | 研究报告
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/41961
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| Appears in Collections: | 过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响
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| Recommended Citation: | |
Finlayson-Pitts, Barbara J.. Laboratory Studies of the Role of Amines in Particle Formation, Growth and Climate. 2015-01-01.
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