DOI: 10.1175/JCLI-D-12-00429.1
Scopus记录号: 2-s2.0-84874810896
论文题名: The transpose-AMIP II experiment and its application to the understanding of southern ocean cloud biases in climate models
作者: Williams K.D. ; Bodas-Salcedo A. ; Déqué M. ; Fermepin S. ; Medeiros B. ; Watanabe M. ; Jakob C. ; Klein S.A. ; Senior C.A. ; Williamson D.L.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期: 10 起始页码: 3258
结束页码: 3274
语种: 英语
Scopus关键词: Boundary layer structure
; Coupled Model Intercomparison Project
; Humidity structure
; International model
; Large-scale dynamics
; Meteorological condition
; Model inter comparisons
; Short-wave radiation
; Atmospheric humidity
; Experiments
; Weather forecasting
; Climate models
; atmospheric dynamics
; atmospheric modeling
; climate modeling
; climatology
; cloud
; marine atmosphere
; Southern Ocean
英文摘要: The Transpose-Atmospheric Model Intercomparison Project (AMIP) is an international model intercomparison project in which climate models are run in "weather forecast mode."The Transpose-AMIP II experiment is run alongside phase 5 of the Coupled Model Intercomparison Project (CMIP5) and allows processes operating in climate models to be evaluated, and the origin of climatological biases to be explored, by examining the evolution of the model from a state in which the large-scale dynamics, temperature, and humidity structures are constrained through use of common analyses. The Transpose-AMIP II experimental design is presented. The project requests participants to submit a comprehensive set of diagnostics to enable detailed investigation of the models to be performed. An example of the type of analysis that may be undertaken using these diagnostics is illustrated through a study of the development of cloud biases over the Southern Ocean, a region that is problematic for many models. Several models share a climatological bias for too little reflected shortwave radiation from cloud across the region. This is found to mainly occur behind cold fronts and/or on the leading side of transient ridges and to be associated with more stable lower-tropospheric profiles. Investigation of a case study that is typical of the bias and associated meteorological conditions reveals the models to typically simulate cloud that is too optically and physically thin with an inversion that is too low. The evolution of the models within the first few hours suggests that these conditions are particularly sensitive and a positive feedback can develop between the thinning of the cloud layer and boundary layer structure. © 2013 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51923
Appears in Collections: 气候变化事实与影响
There are no files associated with this item.
作者单位: Met Office, Exeter, United Kingdom; Météo-France/CNRM, CNRS/GAME, Toulouse, France; Institut Pierre Simon Laplace, Paris, France; National Center for Atmospheric Research, Boulder, CO, United States; University of Tokyo, Tokyo, Japan; Monash University, Melbourne, VIC, Australia; Lawrence Livermore National Laboratory, Livermore, CA, United States
Recommended Citation:
Williams K.D.,Bodas-Salcedo A.,Déqué M.,et al. The transpose-AMIP II experiment and its application to the understanding of southern ocean cloud biases in climate models[J]. Journal of Climate,2013-01-01,26(10)