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DOI | 10.1016/j.atmosres.2019.104694 |
Calculation of supersaturation maximum and droplet concentration at cloud boundaries | |
Pinsky, Mark; Khain, Alexander | |
2020-04-01 | |
发表期刊 | ATMOSPHERIC RESEARCH |
ISSN | 0169-8095 |
EISSN | 1873-2895 |
出版年 | 2020 |
卷号 | 234 |
文章类型 | Article |
语种 | 英语 |
国家 | Israel |
英文摘要 | Most parameterizations of droplet concentration at cloud base in cloud models are derived under the assumption that all droplets at the cloud base form by nucleation of dry CCN crossing the lifting condensation level in updraft. In this study, a novel method of calculation of the supersaturation maximum and droplet concentration at cloud base is described that takes into account the existence of liquid at the level of droplet nucleation. Liquid exists in haze particles, as well as in the form of cloud droplets and raindrops. It is shown that the presence of liquid water inside non-activated CCN, as well as of cloud droplets and raindrops substantially decreases supersaturation maximum in case of high aerosol concentration. The possible effect of the supersaturation maximum decrease on formation of DSD in clouds is discussed. The method can be also applied to calculation of supersaturation and droplet nucleation at cloud edges. |
英文关键词 | Nucleation Cloud base supersaturation maximum Droplet concentration |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000513182600005 |
WOS关键词 | AEROSOL ACTIVATION ; SEA SPRAY ; MICROPHYSICS ; PARAMETERIZATION ; NUCLEATION |
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/278815 |
专题 | 地球科学 |
作者单位 | Hebrew Univ Jerusalem, Dept Atmospher Sci, Jerusalem, Israel |
推荐引用方式 GB/T 7714 | Pinsky, Mark,Khain, Alexander. Calculation of supersaturation maximum and droplet concentration at cloud boundaries[J]. ATMOSPHERIC RESEARCH,2020,234. |
APA | Pinsky, Mark,&Khain, Alexander.(2020).Calculation of supersaturation maximum and droplet concentration at cloud boundaries.ATMOSPHERIC RESEARCH,234. |
MLA | Pinsky, Mark,et al."Calculation of supersaturation maximum and droplet concentration at cloud boundaries".ATMOSPHERIC RESEARCH 234(2020). |
条目包含的文件 | 条目无相关文件。 |
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