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RRS Discovery D31
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D31 |
Cruise period | 1970-01-21 — 1970-03-12 |
Status | Completed |
Port of departure | Barry, United Kingdom |
Port of return | Southampton, United Kingdom |
Purpose | Research |
Objectives | The cruise had two main purposes. Up to 24th February, the aim was to observe the formation of deep water in the N.W. Mediterranean, in cooperation with the "Jean Charoot". This work was a continuation of a similar project undertaken last year.
The second main purpose of the cruise was to study the Mediterranean outflow, at a point in the Gulf of Cadiz where the outflowing water was clear of the bottom, by means of repeated TSD dips and a variety of current measuring devices. |
Chief scientist | John C Swallow (National Institute of Oceanography) |
Cruise report | (0.48 MB) |
Ocean/sea areas | |
General | Bay of Biscay Mediterranean Sea Strait of Gibraltar (Mediterranean Sea) |
Track charts | (0.02 MB) |
Measurements | |
Physical oceanography | |
Water bottle stations | Description: T surface only |
CTD stations | Quantity: number of stations = 127 |
Current meters | |
Chemical oceanography | |
Oxygen | Quantity: number of stations = 94 |
Phosphate | Quantity: number of stations = 14 |
Silicate | Quantity: number of stations = 14 |
Meteorology | |
Incident radiation | |
Occasional standard measurements | |
Other meteorological measurements | Description: sea and swell |
Geology and geophysics | |
Multi-beam echosounding | Description: beam angel of precision echo sounder about +/- 16 degrees |