Delayed Mode TSG data of the SURVOSTRAL project
Written by Elodie Kestenare in May 2010 (last updated: July 2020)

  • Project:SURVOSTRAL international project
  • Description: In-situ sea surface temperature and salinity from the TSG installed on the Astrolabe vessel (IPEV)
  • Period: 1993-2020
  • Area: Southern Ocean between Hobart (Tasmania) and Dumont d’Urville -the French Antarctic base-
  • Source: LEGOS, France
  • Contact: Rosemary Morrow or Elodie Kestenare at LEGOS

The delayed mode datasets are available for two periods: 1993-2002 & 2002-2020I.

I. Delayed-mode data, 2002-2020

The data are freely downloadable here (see README.txt file for details)
Netcdf files are at the GOSUD format

Position of the Astrolabe Cruise Tracks during the round trips (white dotted lines)
The SR3 WOCE line is also shown (white dashed line)

II. Delayed-mode data, 1993-2002

The data are freely downloadable here

III. Other products

Data are also available on request.

  • Delayed-mode data, January 2003 to January 2012 along the Adelie coast
Cruise tracks along the Adelie coast
  • Mean seasonal cycle (Climatology) for the 1992-2009 and 2002-2009 period during the round trips between Tasmania and Dumont d’Urville
Mean seasonnal cycle for the 1992-2009 period


  • Chaigneau A. and Morrow R. A., 2002. Surface temperature and salinity variations between Tasmania and Antarctica, 1993-1999. J. Geophysical Research, 107 (C12), 8020, doi:10.1029/2001JC00808
  • Morrow R., G. Valladeau, and J.B. Sallée, 2008. Observed subsurface signature of Southern Ocean decadal sea level rise. Progr. Oceanogr., 77/4, 351-366
  • Morrow R. and E. Kestenare, 2014. Nineteen-year changes in surface salinity in the Southern Ocean south of Australia. J. Mar Systems, doi: 10.1016/j.jmarsys.2013.09.011.
  • Morrow R. and E. Kestenare, 2017: 22-year surface salinity changes in the Seasonal Ice Zone near 140°E off Antarctica. J. Mar Systems, doi: 10.1016/j.jmarsys.2017.07.003