DOI: 10.1002/2017JD027429
Scopus记录号: 2-s2.0-85042213205
论文题名: New Parameterizations for Neutral and Ion-Induced Sulfuric Acid-Water Particle Formation in Nucleation and Kinetic Regimes
作者: Määttänen A. ; Merikanto J. ; Henschel H. ; Duplissy J. ; Makkonen R. ; Ortega I.K. ; Vehkamäki H.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2018
卷: 123, 期: 2 起始页码: 1269
结束页码: 1296
语种: 英语
英文关键词: atmospheres
; particle formation
Scopus关键词: climate conditions
; concentration (composition)
; environmental conditions
; homogeneity
; model validation
; nucleation
; parameterization
; particle size
; quantum mechanics
; reaction kinetics
; relative humidity
; sulfuric acid
; thermodynamics
英文摘要: We have developed new parameterizations of electrically neutral homogeneous and ion-induced sulfuric acid-water particle formation for large ranges of environmental conditions, based on an improved model that has been validated against a particle formation rate data set produced by Cosmics Leaving OUtdoor Droplets (CLOUD) experiments at European Organization for Nuclear Research (CERN). The model uses a thermodynamically consistent version of the Classical Nucleation Theory normalized using quantum chemical data. Unlike the earlier parameterizations for H2SO4-H2O nucleation, the model is applicable to extreme dry conditions where the one-component sulfuric acid limit is approached. Parameterizations are presented for the critical cluster sulfuric acid mole fraction, the critical cluster radius, the total number of molecules in the critical cluster, and the particle formation rate. If the critical cluster contains only one sulfuric acid molecule, a simple formula for kinetic particle formation can be used: this threshold has also been parameterized. The parameterization for electrically neutral particle formation is valid for the following ranges: temperatures 165–400 K, sulfuric acid concentrations 104–1013 cm−3, and relative humidities 0.001–100%. The ion-induced particle formation parameterization is valid for temperatures 195–400 K, sulfuric acid concentrations 104–1016 cm−3, and relative humidities 10−5–100%. The new parameterizations are thus applicable for the full range of conditions in the Earth's atmosphere relevant for binary sulfuric acid-water particle formation, including both tropospheric and stratospheric conditions. They are also suitable for describing particle formation in the atmosphere of Venus. ©2017. American Geophysical Union. All Rights Reserved. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/114660
Appears in Collections: 气候减缓与适应
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作者单位: LATMOS/IPSL, UVSQ Université Paris-Saclay, Sorbonne Université, CNRS, Guyancourt, France; Finnish Meteorological Institute, Helsinki, Finland; Institute for Atmospheric and Earth System Research-Department of Physics, Faculty of Science, University of Helsinki, Helsinki, Finland; Now at Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland; Helsinki Institute of Physics, University of Helsinki, Helsinki, Finland; ONERA-The French Aerospace Lab, Palaiseau, France
Recommended Citation:
Määttänen A.,Merikanto J.,Henschel H.,et al. New Parameterizations for Neutral and Ion-Induced Sulfuric Acid-Water Particle Formation in Nucleation and Kinetic Regimes[J]. Journal of Geophysical Research: Atmospheres,2018-01-01,123(2)