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RV Cirolana CIR1X/02
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR1X/02 |
| Cruise period | 2002-01-16 — 2002-01-28 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | Collect 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 scientist | David Brian Sivyer (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
| Project | AE004 |
| Coordinating body | CEFAS |
| Ocean/sea areas | |
| General | English Channel North Sea Irish Sea and St. George's Channel |
| Measurements | |
| Physical oceanography | |
| 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 = 40 Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N |
| 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 stations | Quantity: number of stations = 40 Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N |
| CTD stations | 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 |
| Chemical oceanography | |
| Oxygen | 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 |
| Phosphate | Quantity: number of stations = 140 Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m |
| Phosphate | 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 |
| Nitrate | 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 |
| Nitrate | Quantity: number of stations = 140 Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m |
| Nitrate | Quantity: number of stations = 40 Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N |
| Nitrite | 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 |
| Ammonia | 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 |
| Ammonia | Quantity: number of stations = 140 Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m |
| Silicate | Quantity: number of stations = 140 Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m |
| Silicate | 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 |
| Isotopes | Quantity: number of stations = 40 Description: Surface and bottom samples for total N and particulate N and nitrate for delta 15N |
| Contamination | |
| Suspended matter | Quantity: number of stations = 140 Description: Calibration, nutrient and suspended load samples from continuous flow underway system - inlet at about 4 m |
| Suspended matter | 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 |
| 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 measurements | 52° 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 measurements | 51° 30' 59" N 1° 18' 59" E — Bottom mounted fluorometer, CTD, optical back scatter, ADCP |
| Other physical oceanographic measurements | 51° 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 |