DOI: 10.1175/JCLI-D-11-00330.1
Scopus记录号: 2-s2.0-84867668536
论文题名: Does the mediterranean sea influence the european summer climate? The anomalous summer 2003 as a test bed
作者: Tomassini L. ; Elizalde A.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2012
卷: 25, 期: 20 起始页码: 7028
结束页码: 7045
语种: 英语
Scopus关键词: Anomalies
; Atmosphere-ocean interactions
; Climate variability
; Coupled models
; Mediterranean sea
; Regional model
; Atmospheric temperature
; Equipment testing
; Moisture
; Climatology
; air temperature
; air-sea interaction
; anomaly
; atmospheric circulation
; atmospheric dynamics
; atmospheric forcing
; boundary condition
; climate variation
; climatology
; evaporation
; hydrological cycle
; regional climate
; sea surface temperature
; stratification
; summer
; Europe
; Mediterranean Sea
英文摘要: The European summer 2003 presents a rare opportunity to investigate dynamical interactions in the otherwise variable European climate. Not only did air temperature show a distinct signal, but the Mediterranean sea surface temperature (SST) was also exceptionally warm. The traditional view of the role of the Mediterranean Sea in the climate system highlights the influence of the atmospheric circulation on the Mediterranean Sea. The question of whether the Mediterranean Sea feeds back on the atmospheric dynamics is of central importance. The case of the extremely anomalous summer 2003 allows for investigating the issue under realistic boundary conditions. The present study takes advantage of a newly developed regional coupled atmosphereocean model for this purpose. Experiments with prescribed historical versus climatological SST suggest that the local atmospheric circulation is not strongly sensitive to the state of the Mediterranean Sea, but its influence on the moisture balance and its role in the regional hydrological cycle is substantial. Warmer Mediterranean SSTs lead to enhanced evaporation and moisture transport in the atmosphere. Results of regional coupled simulations with different ocean initial conditions imply that because of the strong stratification of the surface waters in summer, the response time of the upper layers of the Mediterranean Sea to atmospheric forcing is rather short. It can be concluded that the role of the Mediterranean Sea in the European summer climate is mostly passive. In winter, however, since the upper layers of the Mediterranean Sea are well mixed, the memory of the Mediterranean SSTs stretches over longer time scales, which implies a potential for actively governing regional climate characteristics to some extent. © 2012 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/52220
Appears in Collections: 气候变化事实与影响
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作者单位: Max Planck Institute for Meteorology, Hamburg, Germany
Recommended Citation:
Tomassini L.,Elizalde A.. Does the mediterranean sea influence the european summer climate? The anomalous summer 2003 as a test bed[J]. Journal of Climate,2012-01-01,25(20)