Rapid response to climate change in a marginal sea

被引:89
|
作者
Schroeder, K. [1 ]
Chiggiato, J. [1 ]
Josey, S. A. [2 ]
Borghini, M. [1 ]
Aracri, S. [1 ]
Sparnocchia, S. [1 ]
机构
[1] CNR ISMAR, Trieste, Italy
[2] Univ Southampton, Natl Oceanog Ctr, Waterfront Campus,European Way, Southampton SO14 3ZH, Hants, England
来源
SCIENTIFIC REPORTS | 2017年 / 7卷
关键词
INTERMEDIATE WATER; MEDITERRANEAN SEA; CRETAN SEA; THERMOHALINE CIRCULATION; AEGEAN SEA; OCEAN; DEEP; SALINITY; VARIABILITY; CONVECTION;
D O I
10.1038/s41598-017-04455-5
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The Mediterranean Sea is a mid-latitude marginal sea, particularly responsive to climate change as reported by recent studies. The Sicily Channel is a choke point separating the sea in two main basins, the Eastern Mediterranean Sea and the Western Mediterranean Sea. Here, we report and analyse a long-term record (1993-2016) of the thermohaline properties of the Intermediate Water that crosses the Sicily Channel, showing increasing temperature and salinity trends much stronger than those observed at intermediate depths in the global ocean. We investigate the causes of the observed trends and in particular determine the role of a changing climate over the Eastern Mediterranean, where the Intermediate Water is formed. The long-term Sicily record reveals how fast the response to climate change can be in a marginal sea like the Mediterranean Sea compared to the global ocean, and demonstrates the essential role of long time series in the ocean.
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页数:7
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