globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2017MS001180
Scopus记录号: 2-s2.0-85041306785
论文题名:
Impact of Precipitating Ice Hydrometeors on Longwave Radiative Effect Estimated by a Global Cloud-System Resolving Model
作者: Chen Y; -W; , Seiki T; , Kodama C; , Satoh M; , Noda A; T
刊名: Journal of Advances in Modeling Earth Systems
ISSN: 19422466
出版年: 2018
卷: 10, 期:2
起始页码: 284
结束页码: 296
语种: 英语
英文关键词: Clouds ; Radiation effects ; Cloud radiative effects ; General circulation model ; Global clouds ; Long-wave radiation ; Nonhydrostatic atmospheric models ; Precipitating ice hydrometeors ; Satellite observations ; Vertical separation ; Ice ; atmospheric modeling ; cloud microphysics ; general circulation model ; heating ; hydrometeorology ; hydrometry ; hydrostatics ; instrumentation ; longwave radiation ; radiation balance
英文摘要: Satellite observation and general circulation model (GCM) studies suggest that precipitating ice makes nonnegligible contributions to the radiation balance of the Earth. However, in most GCMs, precipitating ice is diagnosed and its radiative effects are not taken into account. Here we examine the longwave radiative impact of precipitating ice using a global nonhydrostatic atmospheric model with a double-moment cloud microphysics scheme. An off-line radiation model is employed to determine cloud radiative effects according to the amount and altitude of each type of ice hydrometeor. Results show that the snow radiative effect reaches 2 W m−2 in the tropics, which is about half the value estimated by previous studies. This effect is strongly dependent on the vertical separation of ice categories and is partially generated by differences in terminal velocities, which are not represented in GCMs with diagnostic precipitating ice. Results from sensitivity experiments that artificially change the categories and altitudes of precipitating ice show that the simulated longwave heating profile and longwave radiation field are sensitive to the treatment of precipitating ice in models. This study emphasizes the importance of incorporating appropriate treatments for the radiative effects of precipitating ice in cloud and radiation schemes in GCMs in order to capture the cloud radiative effects of upper level clouds. © 2018. The Authors.
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被引频次[WOS]:14   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75647
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: Atmosphere and Ocean Research Institute, The University of Tokyo, Kashiwa, Japan; Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan

Recommended Citation:
Chen Y,-W,, Seiki T,et al. Impact of Precipitating Ice Hydrometeors on Longwave Radiative Effect Estimated by a Global Cloud-System Resolving Model[J]. Journal of Advances in Modeling Earth Systems,2018-01-01,10(2)
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