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RV Cirolana CIR1X/02

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR1X/02
Cruise period2002-01-16 — 2002-01-28
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
ObjectivesCollect nutrient, salinity, suspended load, chlorophyll and oxygen data around the coast of England and Wales.
Collect samples for delta 15N analysis to determine the sources of N in nitrate in the Irish Sea.
Recover and service SmartBuoys at two sites in the southern North Sea.
Chief scientistDavid Brian Sivyer (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
ProjectAE004
Coordinating bodyCEFAS
Ocean/sea areas 
GeneralEnglish Channel
North Sea
Irish Sea and St. George's Channel
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: number of stations = 40
Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N
Surface measurements underway (T,S)Quantity: track kilometres = 4630
Description: Chelsea CT flow through with Aquatraka II
Surface measurements underway (T,S)Quantity: number of stations = 140
Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m
CTD stationsQuantity: number of stations = 40
Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N
CTD stationsQuantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
Chemical oceanography 
OxygenQuantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
PhosphateQuantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
PhosphateQuantity: number of stations = 140
Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m
NitrateQuantity: number of stations = 140
Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m
NitrateQuantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
NitrateQuantity: number of stations = 40
Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N
NitriteQuantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
AmmoniaQuantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
AmmoniaQuantity: number of stations = 140
Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m
SilicateQuantity: number of stations = 140
Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m
SilicateQuantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
IsotopesQuantity: number of stations = 40
Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N
Contamination 
Suspended matterQuantity: number of stations = 140
Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m
Suspended matterQuantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 30
Description: FS1 CTD plus Seapoint fluorometer and optical back scatter, Licor PAR - data collected on downcast. Calibration samples and nutrients and oxygen collected on up-cast
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: track kilometres = 4630
Description: Chelsea CT flow through with Aquatraka II
Particulate organic matter (inc POC, PON)Quantity: number of stations = 40
Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N
Moorings, landers, buoys 
Physical oceanography 
Other physical oceanographic measurements52° 0' 0" N  2° 19' 59" E — Moored SmartBuoy - instuments = fluorometer, CTD, optical back scatter nitrate analyser, whole water sampler. Oxygen electrode deployed 49 days until 16/1/02 - re-deployed until March 28th
Other physical oceanographic measurements51° 30' 59" N  1° 18' 59" E — Bottom mounted fluorometer, CTD, optical back scatter, ADCP
Other physical oceanographic measurements51° 30' 59" N  1° 18' 59" E — as previous but with two fluorometers and no oxygen sensor re-deployed with met sensors Both SmartBuoys have now been in the water since November 2000