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 |
