Cruise inventory

RRS Discovery D22

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Discovery (74E3)
Cruise identifierD22
Cruise period1968-06-18 — 1968-07-25
Port of departureAberdeen, United Kingdom
Port of returnPlymouth, United Kingdom
ObjectivesPrincipal 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 scientistDavid E Cartwright (National Institute of Oceanography)
ProjectTidal Current Array Near St. Kilda
Cruise reportRRS Discovery D22 cruise report d22.pdf — access key 'C' (3.23 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificMostly on shelf edge near St. Kilda
Physical oceanography 
Instrumented wave measurementsDescription: A wave recorder survey took place during certain points of the cruise. No. of surveys not noted.
Biology and fisheries 
Gear researchQuantity: number of deployments = 1
Description: A spar buoy was deployed and tested for launching abitilty and general performance.