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RV Prince Madog PD24/02

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Prince Madog (74P2)
Cruise identifierPD24/02
Cruise period2002-09-25 — 2002-09-26
StatusCompleted
Port of departureMenai Bridge, United Kingdom
Port of returnMenai Bridge, United Kingdom
PurposeResearch
Objectives1. Recover at 53° 32'N 3° 21.8'W:
Seabed frame with 600kHz ADCP to measure mean current profile; also fitted with transmissometer/conductivity/temperature logger and pressure recorder;
Seabed frame with 600kHz ADCP to measure fast sample current profiles and pressure;
Single point mooring with temperature and conductivity loggers at 2, 5, 10m below surface.
2.Deploy at 53° 32'N 3° 21.8'W:
Seabed frame with 600kHz ADCP to measure mean current profile; also fitted with transmissometer/conductivity/temperature logger, pressure recorder and Sea-Bird MicroCat;
Single point mooring with temperature and conductivity loggers at 2, 5, 10m below surface.
2. 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 scientistM John Howarth (Proudman Oceanographic Laboratory)
ProjectLiverpool Bay Coastal Observatory
Coordinating bodyProudman Oceanographic Laboratory
Cruise reportRV Prince Madog PD24/02 cruise report pd24_02.pdf (0.14 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 = 21
Description: reversing thermometer readings and salinity samples
CTD stationsQuantity: number of stations = 21
Description: Vertical profiles of temperature, salinity, fluorescence, beam transmission, oxygen, pressure
Moorings, landers, buoys 
Physical oceanography 
Transparency (eg transmissometer)53° 31' 58" N  3° 22' 2" W — Recovery of 600 kHz mean ADCP, BPR, Transmissometer/Conductivity/Temperature logger mounted on a sea bed frame at 15:20 GMT 25/09/2002
Transparency (eg transmissometer)53° 31' 59" N  3° 21' 47" W — Deployment of mean ADCP sea-bed frame with transmissometer, pressure recorder and Sea-Bird MicroCat temperature and conductivity logger at 19:07 25/09/2002 in 21m depth.
Current profiler (eg ADCP)53° 31' 59" N  3° 21' 47" W — Deployment of mean ADCP sea-bed frame with transmissometer, pressure recorder and Sea-Bird MicroCat temperature and conductivity logger at 19:07 25/09/2002 in 21m depth.
Current profiler (eg ADCP)53° 31' 58" N  3° 22' 2" W — Recovery of 600 kHz mean ADCP, BPR, Transmissometer/Conductivity/Temperature logger mounted on a sea bed frame at 15:20 GMT 25/09/2002
Current profiler (eg ADCP)53° 31' 55" N  3° 21' 54" W — Recovery of 600 kHz fast sample ADCP mounted on a sea bed frame at 13:10 GMT 25/09/2002
Sea level (inc. bot. press., inverted echosounder)53° 31' 58" N  3° 22' 2" W — Recovery of 600 kHz mean ADCP, BPR, Transmissometer/Conductivity/Temperature logger mounted on a sea bed frame at 15:20 GMT 25/09/2002
Sea level (inc. bot. press., inverted echosounder)53° 31' 59" N  3° 21' 47" W — Deployment of mean ADCP sea-bed frame with transmissometer, pressure recorder and Sea-Bird MicroCat temperature and conductivity logger at 19:07 25/09/2002 in 21m depth.
Other physical oceanographic measurements53° 31' 59" N  3° 21' 47" W — Deployment of mean ADCP sea-bed frame with transmissometer, pressure recorder and Sea-Bird MicroCat temperature and conductivity logger at 19:07 25/09/2002 in 21m depth.
Other physical oceanographic measurements53° 31' 59" N  3° 21' 47" W — Recovery of single point mooring Deployment of 3 Aanderaa current meters logging temperature and conductivity only: 2m, 5m, 10m below surface 18:40 25/09/2002 in 21m depth.
Other physical oceanographic measurements53° 31' 58" N  3° 22' 2" W — Recovery of 600 kHz mean ADCP, BPR, Transmissometer/Conductivity/Temperature logger mounted on a sea bed frame at 15:20 GMT 25/09/2002
Other physical oceanographic measurements53° 31' 58" N  3° 22' 11" W — Recovery of single point mooring with 3 Aanderaa current meters logging temperature and conductivity only: 2m, 5m, 10m below surface 16:15 25/09/2002.
Data held at BODC Get data
Series/Profiles 
1  Acoustic doppler current profiler
Reference numbers
Date and time
Vertical spatial coordinates
Vertical velocity of the water column (currents)
Horizontal velocity of the water column (currents)
Metadata parameters
Reference numbers
Date and time
Vertical spatial coordinates
Vertical velocity of the water column (currents)
Horizontal velocity of the water column (currents)
Metadata parameters

BODC idDate/TimeLocationDoc.
16238022002-09-25 19:15  — 2002-11-13 11:55 53° 31' 59" N  3° 21' 47" W  View metadata report for BODC series reference number 1623802
1  Bottom pressure sensor tide gauge
Reference numbers
Date and time
Temperature of the water column
Sea level
Reference numbers
Date and time
Temperature of the water column
Sea level

BODC idDate/TimeLocationDoc.
6368082002-09-25 19:19:40  — 2002-11-13 11:59:40 53° 31' 59" N  3° 21' 47" W  View metadata report for BODC series reference number 636808
1  Moored CTD
Reference numbers
Date and time
Temperature of the water column
Sea level
Reference numbers
Date and time
Temperature of the water column
Sea level

BODC idDate/TimeLocationDoc.
6462492002-09-25 19:10:03  — 2002-11-13 11:50:03 53° 31' 59" N  3° 21' 47" W  View metadata report for BODC series reference number 646249
4  Paddle wheel current meter
Reference numbers
Transmittance and attenuance of the water column
Date and time
Salinity of the water column
Temperature of the water column
Electrical conductivity of the water column
Sea level
Reference numbers
Transmittance and attenuance of the water column
Date and time
Salinity of the water column
Temperature of the water column
Electrical conductivity of the water column
Sea level

BODC idDate/TimeLocationDoc.
6368332002-09-25 18:45  — 2002-11-13 14:45 53° 31' 59" N  3° 22' 0" W  View metadata report for BODC series reference number 636833
6368452002-09-25 19:15  — 2002-11-13 11:55 53° 31' 59" N  3° 21' 47" W  View metadata report for BODC series reference number 636845
6368212002-09-25 18:44  — 2002-11-13 14:44 53° 31' 59" N  3° 22' 0" W  View metadata report for BODC series reference number 636821
6368572002-09-25 18:45  — 2002-11-13 14:45 53° 31' 59" N  3° 22' 0" W  View metadata report for BODC series reference number 636857
Discrete samples 
21  CTD frame plus rosette samplerTransmittance and attenuance of the water column
Salinity of the water column
Temperature of the water column
Dissolved oxygen parameters in the water column
Density of the water column
Raw fluorometer output
2  Instrument mooring