RRS Shackleton S4/82

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Shackleton (74SF)
Cruise identifierS4/82
Cruise period1982-05-12 — 1982-06-04
Port of departureSouth Shields, United Kingdom
Objectives1) The distribution of phytoplankton biomas in relation to the physical structure.

2) The utilisation of CZCS imagery in the determination of such distributions

3) The form and intensity of the Scottish coastal current
Chief scientistJohn H Simpson (University of Wales, Bangor School of Ocean Sciences)
Cruise reportRRS Shackleton S4/82 cruise report shackleton4_82.pdf (0.09 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
Physical oceanography 
Surface measurements underway (T,S)
CTD stationsQuantity: number of stations = 179
Optics (eg underwater light levels)Quantity: 60
Description: light-meter,UCNW version
Current metersQuantity: 7
Description: total of 18 c.m.(Aanderaa)
Chemical oceanography 
OxygenQuantity: 70
Description: cont.O2 probe on ctd system
NitrateQuantity: 52
Description: avg.of 6 depth per st.
RadioactivityQuantity: number of samples = 50
Description: caesium
Other chemical oceanographic measurementsQuantity: 66
Description: avg. 6 depth per st.
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: 33
Description: chlorophyll measurements,phytoplankton species composition
ZooplanktonQuantity: 60
Description: identification,distribution,physiology