Atlantic Ocean

(GOLFE DE GUINEE)

Port of departure : Lome (Togo)

Port of return : Pointe Noire (Congo)

IRD ANTENNE INSTITUT OCEANOGRAPHIQUE

INSTITUT OCEANOGRAPHIQUE

195 Rue Saint Jacques

75005 PARIS

+33 (0)1 44.32.10.70

• PHYSICAL OCEANOGRAPHY

• -31 NANSEN hydrological stations at 16 levels; Levels reached (generally) 700 to 800 m, depending on angle of cable; Temperature and salinity at 16 levels.
  -26 stations with current meter profiler (AANDERAA current meter out of order for the last 5 stations) from 0 to 300 m (cable shot from drifting vessel).
  -4 pressure tide gauges retrieved and replaced by AANDERAA n640 tide sensors (Lomé), n953 (Principe), n983 (S. Tome), n777 (Annobom).
  -Inspection and acceptance of the hourly observation log sheet for the tide sensor at Pointe Noire (monitored by ORSTOM).

Geodetic system : VALEUR INDEFINIE