Journal
OCEAN DYNAMICS
Volume 69, Issue 3, Pages 385-403Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10236-018-1240-y
Keywords
Sea surface temperature; Sea surface salinity; Surface density; North Atlantic; Decadal variability
Categories
Funding
- INSU/CNRS
- IRD
- CNES
- IPEV
- SOERE CTDO2
- UK Natural Environment Research Council (Extended Ellett Line Program, National Capability)
- ERC [EC-320691]
- Swedish National Space Board (SNSB) [133/17]
- NERC [NE/K010875/1] Funding Source: UKRI
Ask authors/readers for more resources
We present a binned annual product (BINS) of sea surface temperature (SST), sea surface salinity (SSS), and sea surface density (SSD) observations for 1896-2015 of the subpolar North Atlantic between 40 degrees N and 70 degrees N, mostly excluding the shelf areas. The product of bin averages over spatial scales on the order of 200 to 500km, reproducing most of the interannual variability in different time series covering at least the last three decades or of the along-track ship monitoring. Comparisons with other SSS and SST gridded products available since 1950 suggest that BINS captures the large decadal to multidecadal variability. Comparison with the HadSST3 SST product since 1896 also indicates that the decadal and multidecadal variability is usually well-reproduced, with small differences in long-term trends or in areas with marginal data coverage in either of the two products. Outside of the Labrador Sea and Greenland margins, interannual variability is rather similar in different seasons. Variability at periods longer than 15years is a large part of the total interannual variability, both for SST and SSS, except possibly in the south-western part of the domain. Variability in SST and SSS increases towards the west, with the contribution of salinity variability to density dominating that of temperature in the western Atlantic, except close to the Gulf Stream and North Atlantic Current in the southwest area. Weaker variability and larger relative temperature contributions to density changes are found in the eastern part of the gyre and south of Iceland.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available