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RRS Discovery D78B
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RRS Discovery (74E3) |
Cruise identifier | D78B |
Cruise period | 1976-09-24 — 1976-10-01 |
Status | Completed |
Port of departure | Stornoway, United Kingdom |
Port of return | Stornoway, United Kingdom |
Purpose | Research |
Objectives | The primary objective was to complete the northern portion of a circuit of tidal pressure recordings which has been determined piecemeal on a number of cruises since about 1970. The whole circuit encloses the part of the north-east Atlantic bounded in latitude by southern Iceland and Cape St. Vincent and in longitude by the mid-Atlantic ridge and west European shelf edge. The present cruise covered three deep stations near the 30° Meridian from 53.5° northward and two stations of moderate depth on the Reykjanes Ridge and the Iceland-Fareoe Rise respectively.
Leg two was used mainly by the IOS Engineering Group from Wormley to test various pieces of equipment, principally the side-scan sonar systems which were used for some geological surveying in the seas near the Hebrides. |
Chief scientist | William E Elford (Institute of Oceanographic Sciences Wormley Laboratory) |
Project | Use of Side-Scan Sonar West of Hebrides |
Cruise report | (9.90 MB) |
Ocean/sea areas | |
General | North East Atlantic Ocean (limit 40W) |
Track charts | |
Measurements | |
Physical oceanography | |
Current meters | Quantity: 3 Description: 1 day |
Meteorology | |
Routine standard measurements | |
Geology and geophysics | |
Long/short range side scan sonar |