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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 |