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Seasonal and year-to-year variations in surface salinity at the nine North-Atlantic Ocean Weather Stations
Taylor, A.H.; Stephens, J.A. (1980). Seasonal and year-to-year variations in surface salinity at the nine North-Atlantic Ocean Weather Stations. Oceanol. Acta 3(4): 421-430
In: Oceanologica Acta. Elsevier/Gauthier-Villars: Montreuil. ISSN 0399-1784, more
Peer reviewed article  

Available in  Authors 

    Climatology; Evaporation; Hydrography; Salinity measurement; Sea surface temperature; T/S diagrams; Atlantic North East [Marine Regions]; Marine

Authors  Top 
  • Taylor, A.H.
  • Stephens, J.A.

    Time series are presented showing the year-to-year variation of salinity and temperature from 1948 to 1977 for each season at the nine North-Atlantic Ocean Weather Stations. By comparing the time series with each other and with estimates of evaporation and precipitation in the context of the seasonal cycles of salinity and temperature, the importance of different processes to the interannual variations is assessed. At all the stations, there was a similarity between year-to-year variations of salinity and temperature in some seasons, and between annual means at most stations, indicating that changes in oceanic advection were an important cause of salinity and temperature changes. There is evidence that water of anomalous salinity or temperature tended to be carried along with the North-Atlantic Drift and the Irminger Current. Whereas the mean seasonal cycle of temperature shows similar timing at all the nine Weather Stations, the seasonal salinity cycle varies considerably. A large part of this variation appears to be the result of the spread of low salinity water from the northern regions during the spring to autumn months. At stations Alpha, India and Juliett, evaporation changes may cause salinity fluctuations on occasion, especially in the winter and autumn, which are the seasons of strongest evaporation. Comparisons of salinity changes with precipitation estimates were inconclusive.

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