globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2017MS001113
Scopus记录号: 2-s2.0-85041196991
论文题名:
Can We Use Single-Column Models for Understanding the Boundary Layer Cloud-Climate Feedback?
作者: Dal Gesso S; , Neggers R; A; J
刊名: Journal of Advances in Modeling Earth Systems
ISSN: 19422466
出版年: 2018
卷: 10, 期:2
起始页码: 245
结束页码: 261
语种: 英语
英文关键词: Boundary layers ; Climate change ; Commerce ; Digital storage ; Surface waters ; Troposphere ; Turbulent flow ; Wind ; Boundary layer clouds ; Cloud feedbacks ; General circulation model ; High frequency variabilities ; Large-scale advection ; Single-column model ; Temperature and humidities ; Trade winds ; Climate models
英文摘要: This study explores how to drive Single-Column Models (SCMs) with existing data sets of General Circulation Model (GCM) outputs, with the aim of studying the boundary layer cloud response to climate change in the marine subtropical trade wind regime. The EC-EARTH SCM is driven with the large-scale tendencies and boundary conditions as derived from two different data sets, consisting of high-frequency outputs of GCM simulations. SCM simulations are performed near Barbados Cloud Observatory in the dry season (January–April), when fair-weather cumulus is the dominant low-cloud regime. This climate regime is characterized by a near equilibrium in the free troposphere between the long-wave radiative cooling and the large-scale advection of warm air. In the SCM, this equilibrium is ensured by scaling the monthly mean dynamical tendency of temperature and humidity such that it balances that of the model physics in the free troposphere. In this setup, the high-frequency variability in the forcing is maintained, and the boundary layer physics acts freely. This technique yields representative cloud amount and structure in the SCM for the current climate. Furthermore, the cloud response to a sea surface warming of 4 K as produced by the SCM is consistent with that of the forcing GCM. © 2017. The Authors.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/75661
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: Institute of Geophysics and Meteorology, University of Cologne, Cologne, Germany

Recommended Citation:
Dal Gesso S,, Neggers R,A,et al. Can We Use Single-Column Models for Understanding the Boundary Layer Cloud-Climate Feedback?[J]. Journal of Advances in Modeling Earth Systems,2018-01-01,10(2)
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