RV Lough Foyle LF/09/95
Cruise summary report
|Ship name (ship code)||RV Lough Foyle (74LG)|
|Cruise period||1995-05-13 — 1995-05-18|
|Port of departure||Belfast, United Kingdom|
|Port of return||Belfast, United Kingdom|
|Objectives||1) To assess temperature, salinity and nutrient distributions in the north western Irish Sea.
2) To recover, service and redeploy instrumentation moored in the central Irish Sea.
3) To assess water current movement with depth, over selected areas of the cruise track, using the ship's acoustic doppler current profiling system.
4) To compare macrofaunal composition in sediment over different areas of the north western Irish Sea.
|Chief scientist||Brian Stewart (Department of Agriculture for Northern Ireland)|
|Cruise report||(0.14 MB)|
|General||Irish Sea and St. George's Channel|
|Specific||North western and central Irish Sea.|
|Track charts||(00 MB)|
|Optics (eg underwater light levels)||Quantity: number of stations = 2|
Description: Underwater light measurements were made using a multi spectral light meter at stations 38 and 45
|Oxygen||Quantity: number of stations = 3|
Description: Samples were taken for the determination of oxygen by the Winkler method at stations 38, 45 and 50.
|Other chemical oceanographic measurements||Quantity: number of stations = 2|
Description: Sediment cores taken from stations 47 and 38 were sub-sampled for C/N
|Biology and fisheries|
|Phytoplankton pigs (eg chlorophyll, fluorescence)||Quantity: number of stations = 2|
Description: Sediment cores taken from stations 47 and 38 were sub-sampled for chlorophyll a analysis
|Geology and geophysics|
|Core - soft bottom||Quantity: number of deployments = 10|
Description: Benthic survey station 54: the box corer was deployed acquiring undisturbed profiles of sediment.
|Core - soft bottom||Quantity: number of stations = 2|
Description: Sediment cores were taken at station 47 and 38 (deployed 10 times)
|Moorings, landers, buoys|
|Water bottle stations||53° 51' 5" N 5° 33' 25" W — Mooring site at station 38. Samplers were serviced, attached to the mooring and redeployed|
|Transparency (eg transmissometer)||53° 51' 7" N 5° 33' 51" W — Recovery of the second mooring transmissometer, instrument serviced and attached to the mooring which was redeployed|
|Current meters||53° 51' 7" N 5° 33' 51" W — Recovery of the second mooring current meters, instruments serviced and attached to the mooring which was redeployed|
|Biology and fisheries|
|Sediment traps||53° 51' 7" N 5° 33' 51" W — Recovery of the second mooring of sediment traps, instruments serviced and attached to the mooring which was redeployed|