FRV Clupea 1181C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier1181C
Cruise period1981-08-17 — 1981-08-28
Port of departureAberdeen, United Kingdom
Port of returnBuckie, United Kingdom
Objectives1. To uplift and replace three current meter moorings in the Moray Firth.
2. To undertake a hydrographic and chemical survey of the Moray Firth with hydrocarbon sampling on the Nesa field.
3. To uplift a long term temperature/salinity mooring off Ungan Island, Sullom Voe and the short term placing of caged 'Queens' off Calbeck Ness.
4. To conduct a hydrographic and chemical survey within Sullom Voe, together with hydrocarbon sampling.
Chief scientistRodney Payne (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 1181C cruise report cl11_81.pdf (0.12 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificShetlands/ N.E. Scotland
Track chartsFRV Clupea 1181C cruise track — trk2719.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 39
Current metersQuantity: number of recoveries = 3
Description: 4 c.m.for 60d;1 c.m.for 40d
Chemical oceanography 
OxygenQuantity: number of stations = 33
PhosphateQuantity: number of stations = 39
Total - P
NitrateQuantity: number of stations = 39
Total - NQuantity: number of stations = 6
AmmoniaQuantity: number of stations = 38
SilicateQuantity: number of stations = 39
Petroleum residuesQuantity: number of stations = 33
Description: water and bottom samples
Bottom depositsQuantity: number of stations = 33
Description: water and bottom samples
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 39
Particulate organic matter (inc POC, PON)Quantity: number of stations = 12