FRV Explorer 11/83

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier11/83
Cruise period1983-11-04 — 1983-11-23
Port of departureAberdeen, United Kingdom
Objectives1. To carry out a midwater trawling survey for 0-group sprats in the western part of the central North Sea and Moray Firth.
2. To collect sprat larvae for otolith studies.
3. To collect water samples for radio caesium monitoring.

A short docking in Aberdeen took place on the 13/11/1983. Freshening winds caused Explorer to seek shelter in Alnwick Bay on the 19/11/1983 and sampling recommenced on the 20/11/1983
Chief scientistDavid W McKay (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 11/83 cruise report explorer11_83.pdf (0.12 MB) 
Ocean/sea areas 
GeneralNorth Sea
Irish Sea and St. George's Channel
SpecificCentral North Sea/ Moray Firth, off Nairn, E of Montrose, Marr Bank area, Firth of Forth, N of Fidra, off Burghead, off Buckie, Aberdeen Bay, Cruden Bay, Tyne south to the Tees, off Whitby, off Arbroath
Track chartsFRV Explorer 11/83 cruise track — trk2990a.html FRV Explorer 11/83 cruise track — trk2990b.html
Chemical oceanography 
RadioactivityQuantity: number of samples = 1
Description: Water for radio-caesium analysis.
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 57
Description: Made with the midwater trawl. Sprat and herring caught