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RRS Discovery D38
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D38 |
Cruise period | 1971-01-22 — 1971-04-07 |
Status | Completed |
Port of departure | Barry, United Kingdom |
Port of return | Barry, United Kingdom |
Purpose | Research |
Objectives | To study the fluctuating currents on the continental slope off the western end of the English Channel, by setting out an array of moored current meters and by making TSD sections to define the hydrographic conditions in the area. This latter work was greatly enhanced by use of the computer for logging the TSD output and providing rapid plots of the vertical distribution of temperature, salinity and density. A related aim was to test the new hydrographic winch.
Three weeks were then devoted to measuring currents and collecting intensive series of temperature and salinity observations in the Mediterranean outflow in the Gulf of Cadiz. On the return passage, the mooring site on the continental slope was again visited, and three moorings were left out intended for recovery on a later cruise. |
Chief scientist | John C Swallow (National Institute of Oceanography) |
Cruise report | (0.68 MB) |
Ocean/sea areas | |
General | English Channel Bay of Biscay |
Track charts | (0.02 MB) |
Measurements | |
Physical oceanography | |
Water bottle stations | Quantity: number of stations = 61 |
CTD stations | Quantity: number of stations = 189 |
Subsurface temperature and salinity measurements | |
Current meters | Quantity: 34 Description: 610d |
Contamination | |
Trace metals | Quantity: 6 Description: mercury pollution |
Meteorology | |
Occasional standard measurements | |
Other meteorological measurements | Description: sea and swell |