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Detection and attribution of Atlantic salinity changes
Author(s) -
Stott Peter A.,
Sutton Rowan T.,
Smith Doug M.
Publication year - 2008
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2008gl035874
Subject(s) - salinity , latitude , oceanography , forcing (mathematics) , thermohaline circulation , climatology , environmental science , temperature salinity diagrams , ocean dynamics , geology , polar , oceanic basin , climate change , ocean current , structural basin , paleontology , physics , geodesy , astronomy
An analysis of observed and modeled oceanic salinity changes shows that significant changes of salinity, which are predicted in the World's oceans as a result of human influence, are beginning to emerge. A significant increase in salinity has been observed in recent decades in the 20N–50N latitude band of the Atlantic ocean, although changes at sub‐polar latitudes of the Atlantic, and in other ocean basins, are not found to be significant compared to modeled internal variability. An optimal detection analysis of spatial patterns of salinity trends detects a human influence on the observed salinity increases in the Atlantic ocean. These results indicate the growing potential for using observations to constrain important properties of the climate system's response to anthropogenic forcing.