Salinité de surface dans l'océan atlantique ( 1970-2002)

Par octavocb — Dernière modification 28/06/2011 14:46

Sea Surface Salinity Database in the Atlantic Ocean 50°N-30°S for the 1970-2002 period

Written by Elodie Kestenare in February 2005 (last updated: May 2007)

Available datasets on a 1° x 1° grid:

Monthly Anomalies after objective analysis for the 1970-2002 period
file sssAnom_postobj_7002_ATL50N30Sreg1x1.nc (28Mo gzipped, 60Mo gunzipped).
Monthly Anomalies before objective analysis for the 1970-2002 period
file sssAnom_raw_7002_ATL50N30Sreg1x1.nc (3.7Mo gzipped, 90Mo gunzipped).
Mean seasonal cycle (Climatology) after objective analysis based on the 1977-2002 period
file sssClim_postobj_7702_ATL50N30Sreg1x1.nc (1Mo gzipped, 2Mo gunzipped).
Mean seasonal cycle (Climatology) before objective analysis based on the 1977-2002 period
file sssClim_raw_7702_ATL50N30Sreg1x1.nc (0.6Mo gzipped, 3Mo gunzipped).

NetCDF files are available on request.
Please contact: Gilles Reverdin at LOCEAN (ex LODYC) or Elodie Kestenare at LEGOS.

References:

Reverdin G., Kestenare E., Frankignoul C., Delcroix T., Surface salinity in the Atlantic Ocean (30S-50N), Prog. Oceanogr. (2007), doi:10.1016/j.pocean.2006.11.004

Some figures:

Two SSS anomalies after objective analysis with data distribution during the three-month period centered on the analysis date

Estimated average rms error (normalized to the signal amplitude) 1977-2002

Time series of the SSS anomalies before (red) and after (blue) objective analysis (the raw anomalies have been averaged over a 2° lat x 5° lon box surrounding the choosen position)

Climatology after objective analysis for March and September

Climatology before objective analysis for March and September

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