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DOI10.5194/acp-19-7839-2019
Quantifying the aerosol effect on droplet size distribution at cloud top
Pardo, Lianet Hernandez1; Toledo Machado, Luiz Augusto1; Cecchini, Micael Amore1,2; Gacita, Madeleine Sanchez1,3
2019-06-12
发表期刊ATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
EISSN1680-7324
出版年2019
卷号19期号:11页码:7839-7857
文章类型Article
语种英语
国家Brazil
英文摘要

This work uses the number concentration-effective diameter phase-space to test cloud sensitivity to variations in the aerosol population characteristics, such as the aerosol size distribution, number concentration and hygroscopicity. It is based on the information from the top of a cloud simulated by a bin-microphysics single-column model, for initial conditions typical of the Amazon, using different assumptions regarding the entrainment and the aerosol size distribution. It is shown that the cloud-top evolution can be very sensitive to aerosol properties, but the relative importance of each parameter is variable. The sensitivity to each aerosol characteristic varies as a function of the parameter tested and is conditioned by the base values of the other parameters, showing a specific dependence for each configuration of the model. When both the entrainment and the bin treatment of the aerosol are allowed, the largest influence on the droplet size distribution sensitivity was obtained for the median radius of the aerosols and not for the total number concentration of aerosols. Our results reinforce that the cloud condensation nuclei activity can not be predicted solely on the basis of the w/N a supersaturation-based regimes.


领域地球科学
收录类别SCI-E
WOS记录号WOS:000471288300003
WOS关键词DEEP CONVECTIVE CLOUDS ; CONDENSATION NUCLEI ; PART 1 ; RESOLVED MEASUREMENTS ; COLLECTION BREAKUP ; VERTICAL TRANSPORT ; MODEL DESCRIPTION ; RAINDROP SPECTRA ; PHASE CLOUDS ; MIXING STATE
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; 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/184024
专题地球科学
作者单位1.Inst Nacl Pesquisas Espaciais, Ctr Previsao Tempo & Estudos Climat, Cachoeira Paulista, Brazil;
2.Univ Sao Paulo, Inst Astron Geofis & Ciencias Atmosfer, Dept Ciencias Atmosfer, Sao Paulo, Brazil;
3.Inst Nacl Pesquisas Espaciais, Ctr Ciencia Sistema Terr, Sao Jose Dos Campos, Brazil
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Pardo, Lianet Hernandez,Toledo Machado, Luiz Augusto,Cecchini, Micael Amore,et al. Quantifying the aerosol effect on droplet size distribution at cloud top[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2019,19(11):7839-7857.
APA Pardo, Lianet Hernandez,Toledo Machado, Luiz Augusto,Cecchini, Micael Amore,&Gacita, Madeleine Sanchez.(2019).Quantifying the aerosol effect on droplet size distribution at cloud top.ATMOSPHERIC CHEMISTRY AND PHYSICS,19(11),7839-7857.
MLA Pardo, Lianet Hernandez,et al."Quantifying the aerosol effect on droplet size distribution at cloud top".ATMOSPHERIC CHEMISTRY AND PHYSICS 19.11(2019):7839-7857.
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