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DOI | 10.1175/JCLI-D-18-0591.1 |
Recent Warming and Freshening of the Norwegian Sea Observed by Argo Data | |
Mork, Kjell Arne1; Skagseth, Oystein; Soiland, Henrik | |
2019-06-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2019 |
卷号 | 32期号:12页码:3695-3705 |
文章类型 | Article |
语种 | 英语 |
国家 | Norway |
英文摘要 | Climate variability in the Norwegian Sea, comprising the Norwegian and Lofoten Basins, was investigated based upon monthly estimates of ocean heat and freshwater contents using data from Argo floats during 2002-18. Both local air-sea exchange and advective processes were examined and quantified for monthly to interannual time scales. In the recent years, 2011-18, the Norwegian Sea experienced a decoupling of the temperature and salinity, with a simultaneous warming and freshening trend. This was mainly explained by two different processes; reduced ocean heat loss to the atmosphere and advection of fresher Atlantic water into the Norwegian Sea. The local air-sea heat fluxes are important in modifying the ocean heat content, although this relationship varied with time scale and basins. On time scales exceeding 4 months in the Lofoten Basin and 6 months in the Norwegian Basin, the air-sea heat flux explained half or even more of the local ocean heat content change. There were both a short-term and long-term response of the wind forcing on the ocean heat content. The monthly to seasonal response of increased southerly wind cooled and freshened the Norwegian Basin, due to eastward surface Ekman transport, and increased the influence of Arctic Water. However, after about a 1-yr delay the ocean warmed and became saltier due to an increased advection of Atlantic Water into the region. Increased westerly winds decreased the ocean heat content in both cases due to increased transport of Arctic Water into the Norwegian Sea. |
英文关键词 | Arctic Advection Atmosphere-ocean interaction Currents Ocean circulation Profilers oceanic |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000469352300001 |
WOS关键词 | ATLANTIC SLOPE CURRENT ; NORDIC SEAS ; NORTH-ATLANTIC ; CIRCULATION ; WATER ; HEAT ; TRANSFORMATION ; TEMPERATURE ; VARIABILITY ; CONVECTION |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/183866 |
专题 | 气候变化 |
作者单位 | 1.Inst Marine Res, Bergen, Norway; 2.Bjerknes Ctr Climate Res, Bergen, Norway |
推荐引用方式 GB/T 7714 | Mork, Kjell Arne,Skagseth, Oystein,Soiland, Henrik. Recent Warming and Freshening of the Norwegian Sea Observed by Argo Data[J]. JOURNAL OF CLIMATE,2019,32(12):3695-3705. |
APA | Mork, Kjell Arne,Skagseth, Oystein,&Soiland, Henrik.(2019).Recent Warming and Freshening of the Norwegian Sea Observed by Argo Data.JOURNAL OF CLIMATE,32(12),3695-3705. |
MLA | Mork, Kjell Arne,et al."Recent Warming and Freshening of the Norwegian Sea Observed by Argo Data".JOURNAL OF CLIMATE 32.12(2019):3695-3705. |
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