RRS Discovery D57
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D57 |
| Cruise period | 1973-11-10 — 1973-12-01 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | The cruise was in two parts. The purpose of the first leg was to try and recover both a current meter mooring to the west of Anton Dohrn seamount and the prototype deep tide gauge lying 100 miles north of the Butt of Lewis. In the second part the objective was to make a long range herring survey in winter temperature conditions in the Sea of the Hebrides, and to carry out certain sonar experiments in cooperation with the Navy. |
| Chief scientist | J Stuart M Rusby (Institute of Oceanographic Sciences Wormley Laboratory) |
| Cruise report |  (0.21 MB) |
| Ocean/sea areas | |
| General | Irish Sea and St. George's Channel North East Atlantic Ocean (limit 40W) |
| Track charts | (0.02 MB) |
| Measurements | |
| Physical oceanography | |
| Bathythermograph | Quantity: number of profiles = 4 Description: 2 at 54-50.5N;09-53.0W 2 at 56-38.5N;09-53.0W |
| Current meters | Description: 16 days at 56-58.5N;07-12.5W |
| Other physical oceanographic measurements | Quantity: number of profiles = 1 Description: sound velocity stations |
| Meteorology | |
| Occasional standard measurements | |
| Geology and geophysics | |
| Multi-beam echosounding | |
| Long/short range side scan sonar | Description: experiments in co-op.with the navy, gloria towed for 3 days |
