RRS Discovery D22
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D22 |
| Cruise period | 1968-06-18 — 1968-07-25 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Plymouth, United Kingdom |
| Purpose | Research |
| Objectives | Principal objectives:
1. Tidal Current Array - Part of a long-term project to study the tides on the edge of the shelf N and W of Britain 2. Asdic Survey - Opportunity was taken wherever convenient to take Asdic records of the sea floor for geological study. 3. Measurements of vertical ship motion - A gyro-mounted accelerometer was placed at a position on the port side where a new controlled-velocity winch was to be installed eventually. 4. Test of Spar Buoy - A Spar buoy, intended as a free-floating instrument carrier for air-sea interaction measurements. |
| Chief scientist | David E Cartwright (National Institute of Oceanography) |
| Project | Tidal Current Array Near St. Kilda |
| Cruise report |  (3.23 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | Mostly on shelf edge near St. Kilda |
| Measurements | |
| Physical oceanography | |
| Instrumented wave measurements | Description: A wave recorder survey took place during certain points of the cruise. No. of surveys not noted. |
| Biology and fisheries | |
| Gear research | Quantity: number of deployments = 1 Description: A spar buoy was deployed and tested for launching abitilty and general performance. |
