FRV Explorer 4/72

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier4/72
Cruise period1972-05-09 — 1972-06-02
Objectives1) To lay 6 current meter moorings east of Fair Isle and lift some at the end of the cruise
2) To carry out hydrographic and plankton surveys in the area of moorings
3) To further test the acoustic release system and deployment of single anchor moorings
4) To work a hydrographic section between Fair Isle and Munken (Faroes) with current measurements at each station
5) To lay two current meter moorings off the Scottish east coast at the end of the cruise
6) Ornithological studies

All the objectives bar number 5 were successfully completed because of some diffuculty with measurements. The ship was delayed in Aberdeen because of engine trouble.
Chief scientistHarry D Dooley (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 4/72 cruise report explorer4_72.pdf (0.05 MB) 
Ocean/sea areas 
GeneralNorth Sea
Norwegian Sea
SpecificFair Isle, Munken (Faroes)
Physical oceanography 
Water bottle stationsQuantity: number of stations = 117
Description: 69 S surface
Current metersDescription: 8 days
Surface drifters/drifting buoysDescription: drogues
Chemical oceanography 
OxygenQuantity: 3
PhosphateQuantity: 3
NitrateQuantity: 3
AmmoniaQuantity: 3
SilicateQuantity: 3
Biology and fisheries 
ZooplanktonQuantity: 9