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- 5741
RV Lough Foyle LF/35/99
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Lough Foyle (74LG) |
Cruise identifier | LF/35/99 |
Cruise period | 1999-08-29 — 1999-09-01 |
Status | Completed |
Port of departure | Belfast, United Kingdom |
Port of return | Belfast, United Kingdom |
Purpose | Research |
Objectives | 1. To assess zooplankton populations at stations 38A and 47.
2. To assess temperature, salinity and nutrient distributions over depth at stations 38A and 47. 3. To service moored water samplers at station 38A. 4. To undertake a series of CTD profiles over tidal cycles at mooring station 47. 5. To recover moored instrumentation from station 47. |
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 |
Measurements | |
Physical oceanography | |
CTD stations | Quantity: number of measurements = 1 Description: CTD/ Light/ Fluorescence profiles created. Profiles were taken at hourly intervals. |
Optics (eg underwater light levels) | Quantity: number of measurements = 1 Description: CTD/ Light/ Fluorescence profiles created. Profiles were taken at hourly intervals. |
Biology and fisheries | |
Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of measurements = 1 Description: CTD/ Light/ Fluorescence profiles created. Profiles were taken at hourly intervals. |
Zooplankton | Quantity: number of deployments = 1 Description: Rosette water sampler, sediment corer and zooplankton net deployed and hauled later in the day. |
Moorings, landers, buoys | |
Physical oceanography | |
Water bottle stations | 53° 46' 53" N 5° 38' 0" W — Guard buoy and anchor recovered, serviced and redeployed. |
Water bottle stations | 53° 46' 53" N 5° 38' 0" W — The instrument mooring was recovered. The biological water sampler was removed and the nutrient water sampler was replaced by a different model. Information was downloaded from the model, sensors were reprogrammed and reattatched before the mooring was redeployed. |
Biology and fisheries | |
Phytoplankton pigs (eg chlorophyll, fluorescence) | 53° 43' 26" N 6° 4' 2" W — Guard buoy and instrument package were recovered. The instrument package was removed and the guard buoy redeployed. |