| 项目编号: | 1649147
|
| 项目名称: | RAPID: Nanoparticle Growth from Anthropogenic Volatile Organic Compounds (AVOC) during CLOUD11 |
| 作者: | Rainer Volkamer
|
| 承担单位: | University of Colorado at Boulder
|
| 批准年: | 2016
|
| 开始日期: | 2016-08-01
|
| 结束日期: | 2017-12-31
|
| 资助金额: | 100489
|
| 资助来源: | US-NSF
|
| 项目类别: | Standard Grant
|
| 国家: | US
|
| 语种: | 英语
|
| 特色学科分类: | Geosciences - Atmospheric and Geospace Sciences
|
| 英文关键词: | avoc
; cloud11 field campaign
; salting-in
; efficient growth
; biogenic volatile organic compound
; anthropogenic volatile organic compound
; nanocluster growth
; aromatic avoc
|
| 英文摘要: | This project will enable participation in the CLOUD11 field campaign that will take place at the CLOUD chamber facility at CERN in Geneva Switzerland (Sept - Nov 2016). The CLOUD facility is unique because of its cleanliness, unique control over a wide range of environmental conditions, demonstrated ability to realize experimental conditions that closely resemble those found in the atmosphere, and access to a large array of state-of-the-art instrumentation provided by the Science team to study gas- and aerosol composition at the molecular level. The broader impacts of this research include improved knowledge about the sources of aerosols relevant to air quality and climate.
The CLOUD11 field campaign has the following objectives: (1) Conduct nucleation experiments of anthropogenic volatile organic compounds (AVOC); (2) Conduct nucleation experiments involving biogenic volatile organic compounds (BVOC); and (3) Conduct experiments that focus on OH radical initiated oxidation of AVOC and BVOC, and varying concentrations of SO2, NOx, NH3, and relative humidity (RH). This research supports the deployment of a CE-DOAS instrument to measure glyoxal and methylglyoxal, major first generation oxidation products from aromatic AVOC. This effort includes the investigation of the "salting-in" of volatile (and soluble) molecules as a mechanism to overcome the Kelvin effect towards the efficient growth of neutral stabilized nanoclusters. A systematic study of RH driven "salting-in" in context of nanocluster growth holds potential as a "probe" to trace how much water is associated with nanoparticles and whether they can grow to sizes where they can act as cloud condensation nuclei (CCN) influencing the formation of clouds. |
| 资源类型: | 项目
|
| 标识符: | http://119.78.100.158/handle/2HF3EXSE/91695
|
| Appears in Collections: | 全球变化的国际研究计划
科学计划与规划
|
|
There are no files associated with this item.
|
| Recommended Citation: | |
Rainer Volkamer. RAPID: Nanoparticle Growth from Anthropogenic Volatile Organic Compounds (AVOC) during CLOUD11. 2016-01-01.
|
|
|