Warming and salinification of intermediate and deep waters in the Irminger Sea and Iceland Basin in 1997–2006

Warming and salinification of intermediate and deep waters in the Irminger Sea and Iceland Basin in 1997–2006
复制标题

1997-2006年伊尔明格海和冰岛盆地中层和深层水域变暖和盐化

DOI:
10.1029/2007gl031074
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发表时间:
2007
影响因子:
5.2
通讯作者:
A. Falina
A. Falina
中科院分区:
地球科学1区
文献类型:
--
作者:
A. Sarafanov;A. Sokov;A. Demidov;A. Falina

文献摘要

被引文献

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根据1997年、2002年、2004年和2006年沿沿着北纬60°进行的跨大西洋纬向剖面重复的CTD数据,对拉布拉多海水和北欧溢流沃茨最近的温度和盐度的年代际变化进行了量化。所揭示的变化,在一般情况下,指向一个快速过渡到温暖/咸的条件下,在中间和更深的层次在Irminger海和冰岛盆地的部分纬度在1997年至2006年。特别是,大量的稳定变暖和盐渍化的冰岛-苏格兰溢流水在这两个盆地。后一个结果意味着自20世纪60年代中期以来,这种水的长期清新作用突然逆转,或者至少中断了近十年。
Recent intra‐decadal changes in temperature and salinity of the Labrador Sea Water and Nordic overflow waters are quantified on the basis of the CTD data from the repeats of the zonal transatlantic section along ∼60°N carried out in 1997, 2002, 2004 and 2006. The revealed changes, in general, point to a rapid transition to the warmer/saltier conditions at the intermediate and deeper levels in the Irminger Sea and Iceland Basin at the section latitude in 1997–2006. In particular, substantial steady warming and salinification of the Iceland–Scotland Overflow Water is revealed in both basins. The latter result means an abrupt reversal or, at least, almost a decade‐long interruption of the long‐term freshening of this water lasted since the mid‐1960s.