globalchange  > 气候减缓与适应
DOI: 10.1007/s10584-014-1137-9
Scopus记录号: 2-s2.0-84911195360
论文题名:
Present and future climatologies in the phase I CREMA experiment
作者: Coppola E.; Giorgi F.; Raffaele F.; Fuentes-Franco R.; Giuliani G.; LLopart-Pereira M.; Mamgain A.; Mariotti L.; Diro G.T.; Torma C.
刊名: Climatic Change
ISSN: 0165-0009
EISSN: 1573-1480
出版年: 2014
卷: 125, 期:1
起始页码: 23
结束页码: 38
语种: 英语
Scopus关键词: Climatology ; Greenhouse gases ; Central America ; Climate sensitivity ; Global climate model ; Greenhouse gas (GHG) ; Land surface scheme ; Precipitation change ; Spatial variability ; Surface air temperatures ; Climate models
英文摘要: We provide an overall assessment of the surface air temperature and precipitation present day (1976–2005) and future (2070–2099) ensemble climatologies in the Phase I CREMA experiment. This consists of simulations performed with different configurations (physics schemes) of the ICTP regional model RegCM4 over five CORDEX domains (Africa, Mediterranean, Central America, South America, South Asia), driven by different combinations of three global climate models (GCMs) and two greenhouse gas (GHG) representative concentration pathways (RCP8.5 and RCP4.5). The biases (1976–2005) in the driving and nested model ensembles compared to observations show a high degree of spatial variability and, when comparing GCMs and RegCM4, similar magnitudes and more similarity for precipitation than for temperature. The large scale patterns of change (2070–2099 minus 1976–2005) are broadly consistent across the GCM and RegCM4 ensembles and with previous analyses of GCM projections, indicating that the GCMs selected in the CREMA experiment are representative of the more general behavior of current GCMs. The RegCM4, however, shows a lower climate sensitivity (reduced warming) than the driving GCMs, especially when using the CLM land surface scheme. While the broad patterns of precipitation change are consistent across the GCM and RegCM4 ensembles, greater differences are found at sub-regional scales over the various domains, evidently tied to the representation of local processes. This paper serves to provide a reference view of the behavior of the CREMA ensemble, while more detailed and process-based analysis of individual domains is left to companion papers of this special issue. © 2014, Springer Science+Business Media Dordrecht.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/84746
Appears in Collections:气候减缓与适应
气候变化事实与影响

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作者单位: Abdus Salam International Centre for Theoretical Physics, Trieste, Italy; Center for Scientific Research and Higher Education at Ensenada, Baja, California (CICESE), Mexico; Department of Atmospheric Sciences, University of São Paulo, Rua do Matão, 1226, Cid. Universitária, São Paulo, SP, Brazil; Centre for Atmospheric Sciences, Indian Institute of Technology Delhi, New Delhi, India

Recommended Citation:
Coppola E.,Giorgi F.,Raffaele F.,et al. Present and future climatologies in the phase I CREMA experiment[J]. Climatic Change,2014-01-01,125(1)
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