Long-term variability and trends of relative geostrophic currents in the middle Adriatic

被引:4
作者
Vilibic, Ivica [1 ]
Pistalo, Damjan [2 ,3 ]
Sepic, Jadranka [1 ]
机构
[1] Inst Oceanog & Fisheries, Split, Croatia
[2] Univ Zagreb, Fac Sci, Zagreb 41000, Croatia
[3] Univ Luxembourg, Fac Sci Technol & Commun, Luxembourg, Luxembourg
关键词
Long-term data; Geostrophic currents; Thermohaline circulation; Adriatic Sea; RIVER DISCHARGES; SEA HYDROGRAPHY; WATER MASSES; IONIAN SEA; CIRCULATION; SIMULATION; WINTER; SHELF;
D O I
10.1016/j.csr.2014.12.003
中图分类号
P7 [海洋学];
学科分类号
0707 ;
摘要
The paper documents dynamics of the middle Adriatic region, and is based on computation of relative geostrophic currents from temperature and salinity data taken along the Palagruza Sill transect between 1957 and 2010. The strongest westward current is found in the central part of the sill, corresponding to the offshore deflected Eastern Adriatic Current (EAC). The Western Adriatic Current (WAC) is, as expected, found in the southern part of the measured transect. The WAC is most significant during the summer season and exhibits stronger variability than the EAC due to the frequent growth of eddies within it. Long-term trends in both the central and southern parts of the sill oppose mean currents, indicating the weakening of the EAC and WAC and therefore of the entire Adriatic thermohaline cell. These opposing trends have not been reproduced by a climate model. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:70 / 80
页数:11
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