RRS Discovery D40
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D40 |
| Cruise period | 1971-06-19 — 1971-07-26 |
| Status | Completed |
| Port of departure | Southampton, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | 1) Sea trials of GLORIA; Towing system and Acoustic experiments
2) Geological observations in the Eastern Mediterranean; GLORIA survey, Narrow beam echo-sounder profiles and the Mediterranean Ridge. 3) Side-scan Asdic survey 4) An investigation into the effects of the variation of the source-level in a deep water echo-sounder 5) Electrical interference on the RRS Discovery 6) A sound-velocity profile north of Cornwall. |
| Chief scientist | A H B Stride (National Institute of Oceanography) |
| Cruise report |  (0.40 MB) |
| Ocean/sea areas | |
| General | North Atlantic Ocean Inner Seas off the West Coast of Scotland Mediterranean Sea |
| Track charts | (0.18 MB) |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Description: T surface only |
| Meteorology | |
| Occasional standard measurements | |
| Geology and geophysics | |
| In-situ seafloor measurement/sampling | Quantity: 2 Description: acoustical properties |
| Single-beam echosounding | |
| Multi-beam echosounding | |
| Long/short range side scan sonar |
