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RV Prince Madog PD31/02

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Prince Madog (74P2)
Cruise identifierPD31/02
Cruise period2002-11-13 — 2002-11-14
StatusCompleted
Port of departureMenai Bridge, United Kingdom
Port of returnMenai Bridge, United Kingdom
PurposeResearch
Objectives1. Recover at 53° 32'N 3° 21.8'W:
Sea bed frame with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat;
Single point mooring with TC loggers at 2, 5 and 10 m below surface.
2. Deploy:
Sea bed frame with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat;
CEFAS directional waverider (single point mooring);
CEFAS SmartBuoy (single point mooring) with TC logger 10 m below surface.
3. Conduct CTD survey of 34 stations every 5 miles covering eastern Irish Sea to determine effects of rivers Dee, Mersey and Ribble on Liverpool Bay.
Chief scientistPhil J Knight (Proudman Oceanographic Laboratory)
ProjectLiverpool Bay Coastal Observatory
Coordinating bodyProudman Oceanographic Laboratory
Cruise reportRV Prince Madog PD31/02 cruise report pd31_02.pdf (0.17 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
Specificeastern Irish Sea: Liverpool Bay
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of samples = 22
Description: Reversing thermometer readings and salinity samples.
CTD stationsQuantity: number of stations = 13
Description: Vertical profiles of temperature, salinity, fluorescence, beam transmission, oxygen, pressure
Moorings, landers, buoys 
Physical oceanography 
Water bottle stations53° 31' 55" N  3° 22' 1" W — Deployment of CEFAS SmartBuoy no. 12 as a single point mooring with an Aanderaa TC logger 10 m below surface, at 14:51 13/11/2002.
Transparency (eg transmissometer)53° 31' 59" N  3° 21' 47" W — Recovery of sea bed frame equipped with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat at 12:43 13/11/2002.
Transparency (eg transmissometer)53° 31' 58" N  3° 21' 45" W — Deployment of sea bed frame equipped with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat at 14:05 13/11/2002 in 24m depth.
Optics (eg underwater light levels)53° 31' 55" N  3° 22' 1" W — Deployment of CEFAS SmartBuoy no. 12 as a single point mooring with an Aanderaa TC logger 10 m below surface, at 14:51 13/11/2002.
Current profiler (eg ADCP)53° 31' 59" N  3° 21' 47" W — Recovery of sea bed frame equipped with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat at 12:43 13/11/2002.
Current profiler (eg ADCP)53° 31' 58" N  3° 21' 45" W — Deployment of sea bed frame equipped with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat at 14:05 13/11/2002 in 24m depth.
Sea level (inc. bot. press., inverted echosounder)53° 31' 59" N  3° 21' 47" W — Recovery of sea bed frame equipped with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat at 12:43 13/11/2002.
Sea level (inc. bot. press., inverted echosounder)53° 31' 58" N  3° 21' 45" W — Deployment of sea bed frame equipped with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat at 14:05 13/11/2002 in 24m depth.
Instrumented wave measurements53° 31' 53" N  3° 21' 53" W — Deployment of CEFAS Directional Wave Rider in 26m water depth at 15:47 13/11/2002
Other physical oceanographic measurements53° 31' 55" N  3° 22' 1" W — Deployment of CEFAS SmartBuoy no. 12 as a single point mooring with an Aanderaa TC logger 10 m below surface, at 14:51 13/11/2002.
Other physical oceanographic measurements53° 31' 59" N  3° 22' 0" W — Recovery of single point mooring with 3 Aanderaa TC loggers at 2, 5 and 10 m below surface at 14:56 13/11/2002.
Other physical oceanographic measurements53° 31' 59" N  3° 21' 47" W — Recovery of sea bed frame equipped with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat at 12:43 13/11/2002.
Other physical oceanographic measurements53° 31' 58" N  3° 21' 45" W — Deployment of sea bed frame equipped with 600 kHz ADCP, pressure recorder, transmissometer+TC logger, and Sea-Bird MicroCat at 14:05 13/11/2002 in 24m depth.
Chemical oceanography 
Nitrate53° 31' 55" N  3° 22' 1" W — Deployment of CEFAS SmartBuoy no. 12 as a single point mooring with an Aanderaa TC logger 10 m below surface, at 14:51 13/11/2002.
Silicate53° 31' 55" N  3° 22' 1" W — Deployment of CEFAS SmartBuoy no. 12 as a single point mooring with an Aanderaa TC logger 10 m below surface, at 14:51 13/11/2002.
Contamination 
Suspended matter53° 31' 55" N  3° 22' 1" W — Deployment of CEFAS SmartBuoy no. 12 as a single point mooring with an Aanderaa TC logger 10 m below surface, at 14:51 13/11/2002.
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)53° 31' 55" N  3° 22' 1" W — Deployment of CEFAS SmartBuoy no. 12 as a single point mooring with an Aanderaa TC logger 10 m below surface, at 14:51 13/11/2002.
Data held at BODC Get data
Discrete samples 
15  CTD frame plus rosette samplerAmmonium and ammonia concentration parameters in water bodies
Density of the water column
Transmittance and attenuance of the water column
Chlorophyll pigment concentrations in water bodies
Silicate concentration parameters in the water column
Raw fluorometer output
Salinity of the water column
Concentration of suspended particulate material in the water column
Nitrate concentration parameters in the water column
Temperature of the water column
Dissolved oxygen parameters in the water column
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Phaeopigment concentrations in the water column
2  Instrument mooring