FRV Scotia 6/81

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (749S)
Cruise identifier6/81
Cruise period1981-06-17 — 1981-07-06
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1. To investigate the physical, chemical and biological factors relevant to enhanced summer phytoplankton levels off Orkney.
2. To monitor hydrographic conditions in the Faroe-Shetland Channel.
3. To commission the software and hardware being developed for hydrographic and biological instrumentation to be interfaced to the PDP 11/34 and Commodore PET computers.
Chief scientistHarry D Dooley (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Scotia 6/81 cruise report sc06_81.pdf (0.09 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
SpecificEast of Orkney, outer Moray Firth and Faroe-Shetland Channel
Track chartsFRV Scotia 6/81 cruise track — trk2699.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 20
Water bottle stationsQuantity: number of stations = 137
CTD stations
Current metersQuantity: number of deployments = 11
Description: 5 current meters for 50days;6 current meters for 17days.
Chemical oceanography 
OxygenQuantity: number of stations = 102
PhosphateQuantity: number of stations = 87
Total - P
NitrateQuantity: number of stations = 113
Total - NQuantity: number of stations = 17
AmmoniaQuantity: number of stations = 109
SilicateQuantity: number of stations = 90
Biology and fisheries 
Primary productivity
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 116
Particulate organic matter (inc POC, PON)
Dissolved organic matter (inc DOC)