DOI: 10.1002/joc.5487
论文题名: Extreme dry spells over the Mediterranean Basin during the wet season: Assessment of HyMeX/Med-CORDEX regional climate simulations (1979–2009)
作者: Raymond F. ; Drobinski P. ; Ullmann A. ; Camberlin P.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2018
卷: 38, 期: 7 起始页码: 3090
结束页码: 3105
语种: 英语
英文关键词: extreme dry spells
; HyMeX/Med-CORDEX
; Mediterranean Basin
; RCM models evaluation
Scopus关键词: Environmental impact
; Sea level
; Atmospheric circulation
; Dry spells
; Geopotential height anomalies
; HyMeX/Med-CORDEX
; Mediterranean basin
; RCM models evaluation
; Regional climate simulation
; Spatiotemporal characteristics
; Drought
; climate modeling
; computer simulation
; extreme event
; geopotential
; regional climate
; wet season
; Mediterranean Sea
英文摘要: Exceptional dry spells, in this study referred to as very long dry spells (VLDS), are natural hazards to which the Mediterranean region is extremely vulnerable, with socio-economic and environmental impacts. In this study, they are characterized in terms of location, spatial extent, duration, temporal variability and associated atmospheric circulations. The main objective is to assess the performance of five HyMeX/Med-CORDEX regional climate simulations to detect and reproduce VLDS in comparison with the E-OBS observed daily gridded data. Models accurately reproduce the occurrence of precipitation around the Mediterranean Basin, and therefore the occurrence of VLDS, with at least 51% of the E-OBS VLDS reproduced by the regional simulations. They also accurately simulate the spatio-temporal characteristics. A second objective is to identify the synoptic atmospheric patterns associated with VLDS. A clustering analysis shows that all models accurately reproduce the main VLDS spatial patterns, associated with anticyclonic conditions above the affected regions. The simulated VLDS occurrence is strongly related to the amplitude of the sea level pressure and 500-hPa geopotential height anomalies as well as the location of the maximum anomalies. All VLDS events are associated with anticyclonic conditions except those occurring in the eastern Mediterranean, where they are generally not associated with a specific meteorological event but with the usual summer weather regime. © 2018 Royal Meteorological Society Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/116870
Appears in Collections: 气候减缓与适应
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作者单位: Centre de Recherches de Climatologie, Biogéosciences, Université de Bourgogne Franche-Comté, Dijon, France; LMD/IPSL, École Polytechnique, Université Paris Saclay, ENS, PSL Research University, Sorbonne Universités, UPMC Univ Paris 06, CNRS, Palaiseau, France
Recommended Citation:
Raymond F.,Drobinski P.,Ullmann A.,et al. Extreme dry spells over the Mediterranean Basin during the wet season: Assessment of HyMeX/Med-CORDEX regional climate simulations (1979–2009)[J]. International Journal of Climatology,2018-01-01,38(7)