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FRV Clupea 0600C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0600C
Cruise period2000-04-10 — 2000-04-29
StatusCompleted
Port of departureFraserburgh, United Kingdom
Port of returnFraserburgh, United Kingdom
Objectives1. To deploy current meter moorings and conduct hydrographic surveys in Loch Torridon and two other sea lochs in support of the sea lice sampling and modelling work under AE1158.
2. To make intensive measurements of water column nutrient levels close to fish farms.
3. To conduct a short acoustic survey of Loch Torridon in support of the collaborative work with SNH (C221).
4. To collect sediment samples for polyaromatic hydrocarbon (PAH) analysis.
Chief scientistPhil A Gillibrand (Fisheries Research Services Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0600C cruise report 0600c.pdf (0.99 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
SpecificMoray Firth, North Minch, Loch Torridon, Loch Shieldaig, Loch a Bhraigh, Loch Duich
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 32
Description: Bottle stations for nutrient measurements and CTD calibration of salinity. Tipically 6-8 depths sampled at each Station
CTD stationsQuantity: number of stations = 238
Description: CTD Stations, temperature, conductivity, pressure profiles in lochs Torridon, Duich and Snizort
Chemical oceanography 
PhosphateQuantity: number of stations = 32
Description: Bottle stations for nutrient measurements and CTD calibration of salinity. Tipically 6-8 depths sampled at each Station
NitrateQuantity: number of stations = 32
Description: Bottle stations for nutrient measurements and CTD calibration of salinity. Tipically 6-8 depths sampled at each Station
AmmoniaQuantity: number of stations = 32
Description: Bottle stations for nutrient measurements and CTD calibration of salinity. Tipically 6-8 depths sampled at each Station
SilicateQuantity: number of stations = 32
Description: Bottle stations for nutrient measurements and CTD calibration of salinity. Tipically 6-8 depths sampled at each Station
Geology and geophysics 
GrabQuantity: number of samples = 129
Description: Grab samples taken for sediment chemistry analysis in lochs Duich, Hourn, Torridon and Snizort
Core - soft bottomQuantity: number of cores = 1
Description: 1 core sample taken.
Multi-beam echosoundingQuantity: activity duration in days = 3
Description: acoustic seabed survey using RoxAnn and Sidescan sonar systems.
Long/short range side scan sonarQuantity: activity duration in days = 3
Description: acoustic seabed survey using RoxAnn and Sidescan sonar systems.
Moorings, landers, buoys 
Physical oceanography 
Current meters57° 31' 16" N  5° 39' 41" W — Sontelz Argonaut Acoustic Current meter, 1 Instrument @ 3m depth, deployed on 11/04/00
Current meters57° 14' 22" N  5° 28' 46" W — Acoustic current meter deployed @ 3m depth on 19/04/00.
Sea level (inc. bot. press., inverted echosounder)57° 32' 1" N  5° 41' 37" W — Water level recorder deployed in 23m of water (seabed pressure sensor) on 15/04/00
Sea level (inc. bot. press., inverted echosounder)57° 34' 38" N  5° 58' 7" W — Water level recorder deployed in 19m of water (seabed pressure sensor) on 15/04/00