Development, Validation, and Application of Multicomponent Atmospheric New Particle Formation Schemes
多组分大气新粒子形成方案的开发、验证和应用
基本信息
- 批准号:1550816
- 负责人:
- 金额:$ 54.59万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-02-15 至 2021-01-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This project is focused on investigating the nucleation or formation of very small new particles in the atmosphere. The method relies on complex calculations involving the structural and thermochemical properties of atmospheric clusters. Modeling results will be compared with measurements where they are available. The project will result in nucleation schemes that can be incorporated into regional and global models to reduce uncertainties in the assessment of the climatic and environmental impacts of atmospheric aerosols. The objective of this effort is to develop new schemes of multicomponent nucleation in the atmosphere involving sulfuric acid, water, ammonia, methylamines, and organics. The project consists of 4 tasks: (1) Quantum chemistry studies of neutral and charged ternary clusters; (2) Development of new nucleation models; (3) Application and evaluation of new nucleation schemes in the atmosphere; and (4) Assessing the climate implications of ternary nucleation processes. The implications of the new nucleation schemes on the aerosol indirect radiative forcing will be evaluated using the GEOS-Chem model.
这个项目的重点是研究大气中非常小的新粒子的成核或形成。该方法依赖于复杂的计算,包括大气团簇的结构和热化学性质。建模结果将与可用的测量结果进行比较。该项目将产生可纳入区域和全球模式的成核方案,以减少在评估大气气溶胶的气候和环境影响方面的不确定性。这项工作的目的是开发新的方案多组分成核在大气中涉及硫酸,水,氨,甲胺和有机物。该项目包括4个任务:(1)中性和带电三元簇的量子化学研究;(2)新成核模型的发展;(3)新的大气成核方案的应用与评价;(4)评估三元成核过程对气候的影响。新的成核方案对气溶胶间接辐射强迫的影响将使用GEOS-Chem模式进行评估。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Fangqun Yu其他文献
Large Hydrogen-Bonded Pre-nucleation (HSO4-)(H2SO4)m(H2O)k and (HSO4-)(NH3)(H2SO4)m(H2O)k Clusters in the Earth’s Atmosphere
- DOI:
- 发表时间:
- 期刊:
- 影响因子:
- 作者:
Jason Herb;Yisheng Xu;Fangqun Yu;A. B. Nadykto; - 通讯作者:
Environmental exposure disparities in ultrafine particles and PMsub2.5/sub by urbanicity and socio-demographics in New York state, 2013–2020
2013-2020 年纽约州按城市化程度和社会人口统计学划分的超细颗粒物和 PM2.5 环境暴露差异
- DOI:
10.1016/j.envres.2023.117246 - 发表时间:
2023-12-15 - 期刊:
- 影响因子:7.700
- 作者:
Arshad Arjunan Nair;Shao Lin;Gan Luo;Ian Ryan;Quan Qi;Xinlei Deng;Fangqun Yu - 通讯作者:
Fangqun Yu
Enhancement in the production of nucleating clusters due to dimethylamine and large uncertainties in the thermochemistry of amine-enhanced nucleation
二甲胺增强了成核簇的产生,并且胺增强成核的热化学具有很大的不确定性
- DOI:
10.1016/j.cplett.2014.03.036 - 发表时间:
2014-08 - 期刊:
- 影响因子:2.8
- 作者:
Alexey B. Nadykto;Jason Herb;Fangqun Yu;Yisheng Xu - 通讯作者:
Yisheng Xu
The importance of ammonia for springtime atmospheric new particle formation and aerosol number abundance over the United States
氨对美国春季大气新粒子形成和气溶胶数量丰度的重要性
- DOI:
10.1016/j.scitotenv.2022.160756 - 发表时间:
2023-03-10 - 期刊:
- 影响因子:8.000
- 作者:
Arshad Arjunan Nair;Fangqun Yu;Gan Luo - 通讯作者:
Gan Luo
Modifications on the coastal atmospheric sulfur and cloud condensation nuclei along the Eastern China seas by shipping fuel transition
航运燃料转型对中国东部海域沿海大气硫和云凝结核的影响
- DOI:
10.1016/j.scitotenv.2024.173142 - 发表时间:
2024-07-15 - 期刊:
- 影响因子:8.000
- 作者:
Jingbo Mao;Yan Zhang;Shujun Bie;Zimin Han;Jihong Song;Rongmin Ye;Hongtao Wang;Fangqun Yu;Yangzhou Wu;Dantong Liu - 通讯作者:
Dantong Liu
Fangqun Yu的其他文献
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{{ truncateString('Fangqun Yu', 18)}}的其他基金
Toward Improved Understanding of Fundamental Processes Controlling the Size-Resolved Properties of Particles in the Stratosphere
提高对控制平流层粒子尺寸分辨特性的基本过程的理解
- 批准号:
2325458 - 财政年份:2023
- 资助金额:
$ 54.59万 - 项目类别:
Continuing Grant
Formation and Growth of Particles in the Troposphere: Modeling, Data Analyses, and Comparisons
对流层中粒子的形成和生长:建模、数据分析和比较
- 批准号:
0942106 - 财政年份:2010
- 资助金额:
$ 54.59万 - 项目类别:
Continuing Grant
Atmospheric Nucleation: Quantum Calculations, Kinetic Modeling, and Regional Scale Investigations
大气成核:量子计算、动力学建模和区域尺度研究
- 批准号:
0618124 - 财政年份:2006
- 资助金额:
$ 54.59万 - 项目类别:
Continuing Grant
The Link Between Galactic Cosmic Rays and Cloud Condensation Nuclei Abundance in the Marine Atmosphere
银河宇宙线与海洋大气中云凝结核丰度之间的联系
- 批准号:
0104966 - 财政年份:2001
- 资助金额:
$ 54.59万 - 项目类别:
Continuing Grant
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