globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2015MS000427
Scopus记录号: 2-s2.0-85027937611
论文题名:
Development of a Polar Stratospheric Cloud Model within the Community Earth System Model using constraints on Type i PSCs from the 2010-2011 Arctic winter
作者: Zhu Y; , Toon O; B; , Lambert A; , Kinnison D; E; T; , Brakebusch M; , Bardeen C; G; , Mills M; J; , English J; M
刊名: Journal of Advances in Modeling Earth Systems
ISSN: 19422466
出版年: 2015
卷: 7, 期:2
起始页码: 551
结束页码: 585
语种: 英语
英文关键词: Denitrification ; Gas dynamics ; Nucleation ; Ozone ; Ozone layer ; Thermodynamics ; Antarctic ozone depletion ; Formation and evolutions ; Homogeneous nucleation ; Non-equilibrium growth ; Nucleation rate equations ; Polar stratospheric clouds ; Supercooled ternary solutions ; Thermodynamic equilibria ; Climate models ; denitrification ; lidar ; nitric acid ; nucleation ; numerical model ; ozone depletion ; particulate matter ; polar stratospheric cloud ; thermodynamics ; winter ; Antarctica ; Arctic
英文摘要: Polar stratospheric clouds (PSCs) are critical elements of Arctic and Antarctic ozone depletion. We establish a PSC microphysics model using coupled chemistry, climate, and microphysics models driven by specific dynamics. We explore the microphysical formation and evolution of STS (Supercooled Ternary Solution) and NAT (Nitric Acid Trihydrate). Characteristics of STS particles dominated by thermodynamics compare well with observations. For example, the mass of STS is close to the thermodynamic equilibrium assumption when the particle surface area is >4 μm2/cm3. We derive a new nucleation rate equation for NAT based on observed denitrification in the 2010-2011 Arctic winter. The homogeneous nucleation scheme leads to supermicron NAT particles as observed. We also find that as the number density of NAT particles increases, the denitrification also increases. Simulations of the PSC lidar backscatter, denitrification, and gas phase species are generally within error bars of the observations. However, the simulations are very sensitive to temperature, which limits our ability to fully constrain some parameters (e.g., denitrification, ozone amount) based on observations. © 2015. The Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/76052
Appears in Collections:影响、适应和脆弱性
气候变化与战略

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作者单位: Department of Atmospheric and Oceanic Sciences, Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO, United States; Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CO, United States; National Center for Atmospheric Research, Boulder, CO, United States; Now at Department of Environmental Science and Analytical Chemistry, Stockholm University, Stockholm, Sweden

Recommended Citation:
Zhu Y,, Toon O,B,et al. Development of a Polar Stratospheric Cloud Model within the Community Earth System Model using constraints on Type i PSCs from the 2010-2011 Arctic winter[J]. Journal of Advances in Modeling Earth Systems,2015-01-01,7(2)
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