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DOI10.5194/acp-20-1921-2020
The structure of turbulence and mixed-phase cloud microphysics in a highly supercooled altocumulus cloud
Barrett P.A.; Blyth A.; Brown P.R.A.; Abel S.J.
发表日期2020
ISSN16807316
起始页码1921
结束页码1939
卷号20期号:4
英文摘要Observations of vertically resolved turbulence and cloud microphysics in a mixed-phase altocumulus cloud are presented using in situ measurements from an instrumented aircraft. The turbulence spectrum is observed to have an increasingly negative skewness with distance below cloud top, suggesting that long-wave radiative cooling from the liquid cloud layer is an important source of turbulence kinetic energy. Turbulence measurements are presented from both the liquid cloud layer and ice virga below. Vertical profiles of both bulk and microphysical liquid and ice cloud properties indicate that ice is produced within the liquid layer cloud at a temperature of 30 C. These high-resolution in situ measurements support previous remotely sensed observations from both ground-based and space-borne instruments and could be used to evaluate numerical model simulations of altocumulus clouds at spatial scales from eddy-resolving models to global numerical weather prediction models and climate simulations. © 2020 BMJ Publishing Group. All rights reserved.
关键词cloud covercloud microphysicscumulusin situ measurementremote sensingturbulencevertical profileweather forecasting
语种英语
来源机构Atmospheric Chemistry and Physics
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/132228
推荐引用方式
GB/T 7714		 Barrett P.A.,Blyth A.,Brown P.R.A.,et al. The structure of turbulence and mixed-phase cloud microphysics in a highly supercooled altocumulus cloud[J]. Atmospheric Chemistry and Physics,2020,20(4).
APA Barrett P.A.,Blyth A.,Brown P.R.A.,&Abel S.J..(2020).The structure of turbulence and mixed-phase cloud microphysics in a highly supercooled altocumulus cloud.,20(4).
MLA Barrett P.A.,et al."The structure of turbulence and mixed-phase cloud microphysics in a highly supercooled altocumulus cloud".20.4(2020).
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