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RRS Discovery D63
Cruise summary report
Cruise Info. | |||||||||
Ship name (ship code) | RRS Discovery (74E3) | ||||||||
Cruise identifier | D63 | ||||||||
Cruise period | 1974-06-12 — 1974-07-14 | ||||||||
Status | Completed | ||||||||
Port of departure | Barry, United Kingdom | ||||||||
Port of return | Freetown, Sierra Leone | ||||||||
Purpose | Research | ||||||||
Objectives | 1) To obtain a series of large-volume water samples, for studies of the trace element compostion and particulate matter geochemistry of some of the water masses of the North Atlantic
2) To obtain a series of sediment core samples, for geochemical sudies, along selected profiles off the North West African margin 3) To obtain samples of the benthos at 3000-4000m depth off the North West African margin. 4) To obtain a 24 hour series of biological samples from 300-600m depth at a single station off northern Spain 5) To obtain side scan sonar and telelsounder coverage of the African continental shelf | ||||||||
Chief scientist | Stephen E Calvert (Institute of Oceanographic Sciences Wormley Laboratory) | ||||||||
Project | GATE | ||||||||
Cruise report | (0.46 MB) | ||||||||
Ocean/sea areas | |||||||||
General | North Atlantic Ocean North East Atlantic Ocean (limit 40W) | ||||||||
Track charts | |||||||||
Measurements | |||||||||
Physical oceanography | |||||||||
Water bottle stations | Quantity: number of stations = 13 | ||||||||
Chemical oceanography | |||||||||
Oxygen | Quantity: 13 | ||||||||
Silicate | Quantity: 13 | ||||||||
Trace elements | Quantity: 13 | ||||||||
Other chemical oceanographic measurements | Quantity: 23 Description: sediment chemistry | ||||||||
Other chemical oceanographic measurements | Quantity: 1 Description: particulate organic matter | ||||||||
Biology and fisheries | |||||||||
Zooplankton | Quantity: 19 | ||||||||
Birds | |||||||||
Meteorology | |||||||||
Incident radiation | Description: continuous solarimeter logging | ||||||||
Routine standard measurements | Description: 6 hourly;south of 20N(for GATE exercise) | ||||||||
Other meteorological measurements | Description: 2 min.values of temp.,wind and atm.pressure | ||||||||
Geology and geophysics | |||||||||
Core - soft bottom | Quantity: number of cores = 24 Description: chemical analysis | ||||||||
Multi-beam echosounding | Quantity: track kilometres = 4862 | ||||||||
Long/short range side scan sonar | Quantity: track kilometres = 644 | ||||||||
Data held at BODC | |||||||||
Series/Profiles | |||||||||
1 CTD/STD cast | Salinity of the water column Temperature of the water column Vertical spatial coordinates Salinity of the water column Temperature of the water column Vertical spatial coordinates
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