FRV Explorer 4/83

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier4/83
Cruise period1983-04-28 — 1983-05-12
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1) To deploy and recover at the end of the cruise seven current meters and sedimentation trap moorings in the vicinity of Beryl and Brent Production Platforms
2) To collect samples of sediment material in the vicinity of these Production Platforms for hydrocarbon analysis
3) To work the JONSIS line and other hydrographical sections in the North Sea
4) To deploy cadged queens at Sullom Voe

The ship sailed to Lerwick on the 04/05/1983 to disembark Mr P Mackie and pick up equipment, which took 4 hours. Bad weather prevented renewed hydrographic work.
Chief scientistJ H Anthony Martin (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 4/83 cruise report explorer4_83.pdf (1.56 MB) 
Ocean/sea areas 
GeneralNorth Sea
Norwegian Sea
North East Atlantic Ocean (limit 40W)
SpecificYell Sound, Sullom Voe
Track chartsFRV Explorer 4/83 cruise track — trk2983.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: 1
Water bottle stationsQuantity: number of stations = 41
Current metersQuantity: 2
Description: No. of c.m.recovered;6 days
Chemical oceanography 
PhosphateQuantity: 12
NitrateQuantity: 41
SilicateQuantity: 12
Suspended matterQuantity: 14
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: 41
Other biological/fisheries measurementQuantity: 8
Description: Taste panel queens (Sullom voe)
Other biological/fisheries measurementQuantity: 14
Description: hydrocarbon concentration