Cruise inventory

Steigen IMER C-5-78

Cruise summary report

Cruise Info. 
Ship nameSteigen
Cruise identifierIMER C-5-78
Cruise period1978-08-15 — 1978-08-30
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
Objectives1. To measure levels of nutrients, chlorophyll, total suspended matter, organic matter and the zooplankton and phytoplankton populations.
2. To characterise the hydrographic conditions at the two sites.
3. To measure the feeding rates and development times of two species of copepod at the two sites.
4. To measure uptake and release of nutrients by micro-organisms.
5. To measure the release of nutrients by zooplankton.
Chief scientistBob Williams (Institute of Marine Environmental Research, Plymouth)
Cruise reportSteigen IMER C-5-78 cruise report steigen_aug78.pdf — access key 'C' (0.24 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
Bristol Channel
Track chartsSteigen IMER C-5-78 cruise track — trk2079.html
Physical oceanography 
Surface measurements underway (T,S)
Chemical oceanography 
PhosphateQuantity: 109
Total - PQuantity: 109
NitrateQuantity: 109
NitriteQuantity: 109
AmmoniaQuantity: 109
SilicateQuantity: 109
Suspended matterQuantity: 60
Biology and fisheries 
Primary productivityQuantity: 5
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: 60
Particulate organic matter (inc POC, PON)Quantity: 60
PhytoplanktonQuantity: 60
ZooplanktonQuantity: 29
Description: survey:distribution,biomass,energy transfers,population studies etc.
SestonQuantity: 109
Data held at BODC 
Discrete samples 
205  General station with STD/bottles/additional instrumentsChlorophyll pigment concentrations in water bodies
Silicate concentration parameters in the water column
Salinity of the water column
Nitrate concentration parameters in the water column
Temperature of the water column
Phaeopigment concentrations in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column