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- 571
RRS Discovery D43
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D43 |
Cruise period | 1971-10-07 — 1971-11-25 |
Status | Completed |
Port of departure | Barry, United Kingdom |
Port of return | Southampton, United Kingdom |
Purpose | Research |
Objectives | To make the maximum use of long range side-scan sonar in the open ocean conditions of the North Atlantic in areas of scientific interest and to establish its capability of operating in worse weather than previously experienced. |
Chief scientist | Anthony S Laughton (National Institute of Oceanography) |
Cruise report | (0.57 MB) (4.65 MB) |
Ocean/sea areas | |
General | North East Atlantic Ocean (limit 40W) |
Specific | Peake and Freen Deeps, Azores-Gibraltar Ridge |
Track charts | (0.11 MB) |
Measurements | |
Physical oceanography | |
Water bottle stations | Description: T surface only |
Instrumented wave measurements | Quantity: activity duration in days = 45 Description: Shipborne wave recorder |
Other physical oceanographic measurements | Quantity: number of profiles = 3 Description: Sound velocity station |
Biology and fisheries | |
Biochemical measurements (eg lipids, amino acids) | Quantity: number of cores = 3 Description: Gravity cores for lipid analysis |
Meteorology | |
Occasional standard measurements | |
Other meteorological measurements | Quantity: activity duration in days = 45 Description: Sea and swell |
Geology and geophysics | |
Core - soft bottom | Quantity: number of cores = 3 Description: Gravity cores for lipid analysis |
Single-beam echosounding | |
Long/short range side scan sonar | Quantity: track kilometres = 1790 Description: GLORIA |
Single channel seismic reflection | Quantity: track kilometres = 6822.768 |
Seismic refraction | Quantity: number of deployments = 2 Description: Pop-up Bottom Seismic Recorder (PUBS) |
Magnetic measurements |