RV Lough Foyle LF08may94

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Lough Foyle (74LG)
Cruise identifierLF08may94
Cruise period1994-05-08 — 1994-05-12
Port of departureBelfast, United Kingdom
Port of returnBelfast, United Kingdom
Objectives1) To investigate the oceanography of the coastal and central stratified region of the NW Irish Sea.
2) To undertake primary production experiments (simulated in situ) including an assessment of the relative contribution of different size fractions of the phytoplankton to total production.
3) To assess the distribution of different classes of zooplankton.
4) To collect sediment core samples from stations 38 and 47 for C/N and pigment analysis.
Chief scientistRichard Gowen (Department of Agriculture for Northern Ireland)
Cruise reportRV Lough Foyle LF08may94 cruise report lf_may94.pdf (0.11 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificNW Irish Sea
Physical oceanography 
Water bottle stationsQuantity: number of stations = 25
Description: Water samples taken for nutrients, C/N, size fractionation of chlorophyll, production, phytoplankton species and species composition, suspended solids, and in situ primary production
CTD stationsQuantity: number of stations = 25
Description: CTD profiles taken
Transparency (eg transmissometer)Quantity: number of stations = 21
Description: Secchi disc used
Optics (eg underwater light levels)Quantity: number of stations = 19
Description: Light measurements
Biology and fisheries 
ZooplanktonQuantity: number of stations = 24
Description: Two bongo net hauls taken at every station. Size fractionation using a pump at 14 stations