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RV Lough Foyle LF/09/93
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Lough Foyle (74LG) |
Cruise identifier | LF/09/93 |
Cruise period | 1993-03-31 — 1993-04-02 |
Status | Completed |
Port of departure | Belfast, United Kingdom |
Port of return | Belfast, United Kingdom |
Purpose | Research |
Objectives | To map the temperature, salinity and nutrient distributions in the NW Irish Sea.
The entire cruise track was surface mapped for nutrients, temperature and salinity at approx. one mile intervals and chlorophyll a at approx. five mile intervals. |
Chief scientist | Brian Stewart (Department of Agriculture for Northern Ireland) |
Cruise report | ![]() |
Ocean/sea areas | |
General | Irish Sea and St. George's Channel |
Specific | Western Irish Sea and North Channel |
Track charts | ![]() |
Measurements | |
Physical oceanography | |
CTD stations | Quantity: number of stations = 19 Description: CTD/rosette water sampler deployed to aquire nutirent data from the depth profile |
Subsurface temperature and salinity measurements | Quantity: number of stations = 19 Description: CTD/rosette water sampler deployed to aquire temperature and salinity data from the depth profile |
Transparency (eg transmissometer) | Quantity: number of stations = 19 Description: Secchi disc used |
Optics (eg underwater light levels) | Quantity: number of stations = 6 Description: Undewater light measurements made at stations 4, 26, 62, 57 and 36. |
Chemical oceanography | |
Other chemical oceanographic measurements | Quantity: number of stations = 10 Description: Algal samples taken and stored frozen for C/N analysis |
Biology and fisheries | |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 19 Description: CTD/rosette water sampler deployed to aquire chlorophyll a data from the depth profile |
Zooplankton | Quantity: number of stations = 19 Description: Duplicate vertical hauls taken at each station |
Geology and geophysics | |
Grab | Quantity: number of deployments = 6 Description: Day grab used at station 38 |
Core - soft bottom | Quantity: number of stations = 4 Description: Bowers & Connelly corer used at station 38, 45, 57 and 47 |