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RRS Discovery D34
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D34 |
Cruise period | 1970-06-02 — 1970-06-29 |
Status | Completed |
Port of departure | Barry, United Kingdom |
Port of return | Southampton, United Kingdom |
Purpose | Research |
Objectives | To cooperate with 'HMS Hecla' and 'OWS Cumulus' in preliminary trials of equipment and methods, in preparation for the proposed Royal Society air-sea interaction projects in 1972. This preliminary trial was given the name 'JASIN'. The most important item of the trials on board the 'Discovery' was the evaluation of the 'LOCATE' system for wind measurement, by comparison with observations from the Selenia radar on board 'Cumulus'. Most of the other equipment used was not new, and observations with it were aimed at exploring the situation in that area, and providing material needed to assess the feasibility of achieving the aims of the main experiment. The only new oceanographic equipment tried was the shear spar. |
Chief scientist | John C Swallow (National Institute of Oceanography) |
Cruise report | (0.44 MB) |
Ocean/sea areas | |
General | Irish Sea and St. George's Channel Bay of Biscay North East Atlantic Ocean (limit 40W) |
Track charts | (0.01 MB) |
Measurements | |
Physical oceanography | |
Water bottle stations | Description: T surface only |
CTD stations | Quantity: number of stations = 47 |
Current meters | Quantity: 4 Description: moorings; 106 days |
Surface drifters/drifting buoys | Description: drogues |
Other physical oceanographic measurements | Description: shear spar records |
Meteorology | |
Upper air observations | |
Incident radiation | |
Occasional standard measurements | |
Other meteorological measurements | Description: "locate" wind obs. |
Other meteorological measurements | Description: sea and swell |
Other meteorological measurements | Description: tracking of smoke trails |
Geology and geophysics | |
Multi-beam echosounding | |
Magnetic measurements |