RV Lough Foyle LF/39/98
Cruise summary report
|Ship name (ship code)||RV Lough Foyle (74LG)|
|Cruise period||1998-09-20 — 1998-09-22|
|Port of departure||Belfast, United Kingdom|
|Port of return||Belfast, United Kingdom|
|Objectives||1. To assess temperature, salinity and nutrient distributions over depth at stations 38A and 47.
2. To assess the performance of a moored W. S Ocean automated water sampler.
3. To redeploy the McLane automated water sampler at station 38A.
4. To assess nutrient and chlorophyll concentrations along a transect between Liverpool Bay and Dundalk Bay.
During the cruise the A-frame, main trawl winches, both hydrographic winches and the ship's clean sea-water supply were used
|Chief scientist||Brian Stewart (Department of Agriculture for Northern Ireland)|
|Cruise report||(0.16 MB)|
|General||Irish Sea and St. George's Channel|
|Specific||Irish sea, Dundalk Bay and Liverpool Bay.|
|Subsurface temperature and salinity measurements||Quantity: number of stations = 11|
Description: Data from the depth profile
|Other chemical oceanographic measurements||Quantity: number of stations = 1|
Description: Sediment samples from the mini-corer were sub-sampled for C/N estimation
|Other chemical oceanographic measurements||Quantity: number of stations = 11|
Description: Nutient data from the depth profile
|Biology and fisheries|
|Phytoplankton pigs (eg chlorophyll, fluorescence)||Quantity: number of stations = 11|
Description: Chlorophyll a data from the depth profile. Sediment samples from the mini-corer were sub-sampled for chlorophyll a.
|Zooplankton||Quantity: number of stations = 2|
Description: The zooplankton net was deployed for 3 hauls at both stations 38A & 47
|Geology and geophysics|
|Core - soft bottom||Quantity: number of stations = 1|
Description: Bowers & Connelly mini-corer was deployed at station 38A
|Moorings, landers, buoys|
|Water bottle stations||53° 47' 3" N 5° 37' 55" W — McLane and W.S Ocean water samplers deployed at the mooring site|
|Water bottle stations||53° 46' 58" N 5° 38' 7" W — Guard buoy (id no.1) redeployed after being checked for corrosion and replacement of components where necessary|