This site shows water temperature and salinity data recorded onboard commercial ships and a Canadian Coast Guard ship which sail in the St. Lawrence Gulf and Estuary. An instrument measuring water temperature (T) and salinity (S) was installed in December 1999 on board the commercial ship Cicero of Oceanex Inc. The ship sails year-round between Montréal and St-John's, making a return trip once per week, and therefore sampling the near-surface (3 meter depth) water temperature and salinity along this corridor. In November 2000, similar installations to the Cicero became operational on the C.C.G.S. Martha L. Black as well as on the Nordik Express of the company Relais Nordik Inc. The latter one transits once a week between Rimouski and Blanc-Sablon, stopping at many communities along the Lower North Shore along the way. Her activities are suspended during February and March because of sea ice which impedes her navigation. In November 2001, the ship C.T.M.A. Voyageur of C.T.M.A. Group was instrumented; her track between Montréal and the Magdalen Islands increases our coverage in the Gulf of St. Lawrence. The thermosalinograph is relocated aboard the new ship C.T.M.A. Vacancier march 2004. In march 2006, a new thermosalinograph is installed on the ship Cabot of Oceanex. more... Systems State Cabot: Functional. Cicero: Non-Functional. C.T.M.A. Vacancier: Non-Functional. Nordik Express: Non-Functional. Martha L. Black: Non-Functional.

Last Data Received. This is a map of the Gulf of St. Lawrence that shows the colour-coded water temperature and salinity data obtained along the ship tracks of the last three weeks.

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