Resources

RV Prince Madog PD48/04

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Prince Madog (74P2)
Cruise identifierPD48/04
Cruise period2004-10-29 — 2004-10-30
StatusCompleted
Port of departureMenai Bridge, United Kingdom
Port of returnMenai Bridge, United Kingdom
PurposeResearch
Objectives1) To service an ADCP and a SmartBuoy at 53 32 N 3 21.8 W.
2) To obtain CTD profiles, water samples and grab samples at the Coastal Observatory sites.
Chief scientistM John Howarth (Proudman Oceanographic Laboratory)
Cruise reportRV Prince Madog PD48/04 cruise report pd48_04.pdf (0.15 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificLiverpool Bay/Eastern Irish Sea
Track chartsRV Prince Madog PD48/04 cruise track — pd48_04roscop4717trk.html
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 350
Description: Underway thermosalinograph
Water bottle stationsQuantity: number of stations = 34
Description: Lab analysis for nitrate, phosphate, silicate, near bed and near surface
CTD stationsQuantity: number of profiles = 35
Description: SeaBird CTD
Transparency (eg transmissometer)Quantity: number of profiles = 35
Description: Transmissometer and LISST on CTD
Transparency (eg transmissometer)Quantity: track kilometres = 350
Description: Underway transmissometer
Optics (eg underwater light levels)Quantity: number of profiles = 35
Description: Irradiance sensors on CTD
Chemical oceanography 
PhosphateQuantity: number of stations = 34
Description: Lab analysis for nitrate, phosphate, silicate, near bed and near surface
NitrateQuantity: number of stations = 34
Description: Lab analysis for nitrate, phosphate, silicate, near bed and near surface
SilicateQuantity: number of stations = 34
Description: Lab analysis for nitrate, phosphate, silicate, near bed and near surface
Contamination 
Suspended matterQuantity: number of stations = 34
Description: Filtration of near surface and near bed water samples
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of profiles = 35
Description: Fluorometer on CTD
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: track kilometres = 350
Description: Underway fluorimeter
PhytoplanktonQuantity: number of stations = 7
Description: Lab analysis for phytoplankton from water bottle samples
Meteorology 
Incident radiationQuantity: track kilometres = 400
Description: Underway surface irradiance and PAR measurement
Routine standard measurementsQuantity: track kilometres = 400
Description: Met station (wind, atmospheric pressure, air temperature, humidity)
Geology and geophysics 
GrabQuantity: number of stations = 19
Description: Grab samples
Moorings, landers, buoys 
Physical oceanography 
Transparency (eg transmissometer)53° 31' 59" N  3° 22' 9" W — Buoy mounted turbidity. Recovery and deployment.
Transparency (eg transmissometer)53° 31' 56" N  3° 21' 59" W — Turbidity meter on a bottom frame. Recovery and deployment.
Optics (eg underwater light levels)53° 31' 59" N  3° 22' 9" W — Buoy mounted subsurace irradiance sensors. Recovery and deployment.
Current profiler (eg ADCP)53° 31' 56" N  3° 21' 59" W — 600 kHz ADCP in a sea bed frame, 10 min averages 35 x 1m bins from 2.65 mab. Turn round.
Sea level (inc. bot. press., inverted echosounder)53° 31' 56" N  3° 21' 59" W — Bottom pressure recorder. Recovery and deployment.
Other physical oceanographic measurements53° 31' 59" N  3° 22' 9" W — Buoy mounted temperature and conductivity. Recovery and deployment.
Other physical oceanographic measurements53° 31' 56" N  3° 21' 59" W — Temperature and conductivity on bottom frame. Recovery and deployment.
Chemical oceanography 
Nitrate53° 31' 59" N  3° 22' 9" W — Buoy mounted nutrient analyser and water sampler. Recovery and deployment.
Nitrite53° 31' 59" N  3° 22' 9" W — Buoy mounted nutrient analyser and water sampler. Recovery and deployment.
Silicate53° 31' 59" N  3° 22' 9" W — Buoy mounted nutrient analyser and water sampler. Recovery and deployment.
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)53° 31' 59" N  3° 22' 9" W — Buoy mounted fluorometer. Recovery and deployment.
Data held at BODC Get data
Series/Profiles 
1  Acoustic doppler current profiler
Date and time
Vertical spatial coordinates
Vertical velocity of the water column (currents)
Horizontal velocity of the water column (currents)
Metadata parameters
Sea level
Date and time
Vertical spatial coordinates
Vertical velocity of the water column (currents)
Horizontal velocity of the water column (currents)
Metadata parameters
Sea level

BODC idDate/TimeLocationDoc.
16229762004-10-29 12:00:11  — 2004-11-12 08:00:11 53° 31' 56" N  3° 21' 59" W  View metadata report for BODC series reference number 1622976
48  Bottle station
Reference numbers
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Silicate concentration parameters in the water column
Ammonium and ammonia concentration parameters in water bodies
Nitrate concentration parameters in the water column
Phaeopigment concentrations in the water column
Quality control flags
Chlorophyll pigment concentrations in water bodies
Reference numbers
Nitrite concentration parameters in the water column
Phosphate concentration parameters in the water column
Vertical spatial coordinates
Silicate concentration parameters in the water column
Ammonium and ammonia concentration parameters in water bodies
Nitrate concentration parameters in the water column
Phaeopigment concentrations in the water column
Quality control flags
Chlorophyll pigment concentrations in water bodies

BODC idDate/TimeLocationDoc.
13173812004-10-29 13:39 53° 32' 9" N  3° 22' 44" W  View metadata report for BODC series reference number 1317381
13174002004-10-29 15:31 53° 31' 51" N  3° 16' 6" W  View metadata report for BODC series reference number 1317400
13174242004-10-29 16:48 53° 41' 59" N  3° 13' 37" W  View metadata report for BODC series reference number 1317424
13175652004-10-30 01:24 53° 42' 16" N  3° 55' 44" W  View metadata report for BODC series reference number 1317565
13174362004-10-29 17:27 53° 46' 52" N  3° 13' 30" W  View metadata report for BODC series reference number 1317436
13174612004-10-29 18:57 53° 47' 8" N  3° 21' 53" W  View metadata report for BODC series reference number 1317461
13174122004-10-29 16:10 53° 36' 55" N  3° 13' 35" W  View metadata report for BODC series reference number 1317412
13174482004-10-29 18:17 53° 51' 44" N  3° 22' 4" W  View metadata report for BODC series reference number 1317448
13175162004-10-29 22:35 53° 46' 52" N  3° 29' 54" W  View metadata report for BODC series reference number 1317516
13175282004-10-29 23:21 53° 47' 2" N  3° 38' 21" W  View metadata report for BODC series reference number 1317528
13175412004-10-30 00:05 53° 47' 3" N  3° 47' 29" W  View metadata report for BODC series reference number 1317541
13175892004-10-30 03:36 53° 41' 53" N  3° 39' 3" W  View metadata report for BODC series reference number 1317589
13175902004-10-30 04:15 53° 37' 17" N  3° 38' 50" W  View metadata report for BODC series reference number 1317590
13176332004-10-30 06:16 53° 32' 3" N  3° 55' 13" W  View metadata report for BODC series reference number 1317633
13178052004-10-30 09:18 53° 31' 50" N  3° 22' 8" W  View metadata report for BODC series reference number 1317805
13177622004-10-29 18:17 53° 51' 44" N  3° 22' 4" W  View metadata report for BODC series reference number 1317762
13177502004-10-29 13:39 53° 32' 9" N  3° 22' 44" W  View metadata report for BODC series reference number 1317750
16698732004-10-29 18:57 53° 47' 8" N  3° 21' 53" W  View metadata report for BODC series reference number 1669873
16698852004-10-29 19:38 53° 42' 4" N  3° 21' 56" W  View metadata report for BODC series reference number 1669885
13176692004-10-30 08:18 53° 31' 54" N  3° 30' 11" W  View metadata report for BODC series reference number 1317669
13177252004-10-30 12:41 53° 23' 14" N  3° 47' 35" W  View metadata report for BODC series reference number 1317725
13177372004-10-30 13:28 53° 27' 0" N  3° 55' 41" W  View metadata report for BODC series reference number 1317737
13178172004-10-30 09:55 53° 26' 55" N  3° 22' 19" W  View metadata report for BODC series reference number 1317817
13176572004-10-30 07:38 53° 31' 53" N  3° 38' 31" W  View metadata report for BODC series reference number 1317657
16698612004-10-29 18:17 53° 51' 44" N  3° 22' 4" W  View metadata report for BODC series reference number 1669861
16698972004-10-29 20:22 53° 37' 18" N  3° 21' 51" W  View metadata report for BODC series reference number 1669897
13173932004-10-29 14:54 53° 26' 58" N  3° 13' 58" W  View metadata report for BODC series reference number 1317393
13174972004-10-29 21:09 53° 37' 2" N  3° 29' 39" W  View metadata report for BODC series reference number 1317497
13175772004-10-30 02:40 53° 42' 10" N  3° 47' 57" W  View metadata report for BODC series reference number 1317577
13176452004-10-30 06:58 53° 31' 53" N  3° 47' 42" W  View metadata report for BODC series reference number 1317645
13175532004-10-30 00:44 53° 47' 4" N  3° 55' 33" W  View metadata report for BODC series reference number 1317553
16698482004-10-29 13:39 53° 32' 9" N  3° 22' 44" W  View metadata report for BODC series reference number 1669848
16699042004-10-30 09:18 53° 31' 50" N  3° 22' 8" W  View metadata report for BODC series reference number 1669904
13174732004-10-29 19:38 53° 42' 4" N  3° 21' 56" W  View metadata report for BODC series reference number 1317473
13174852004-10-29 20:22 53° 37' 18" N  3° 21' 51" W  View metadata report for BODC series reference number 1317485
13175042004-10-29 21:52 53° 42' 6" N  3° 29' 52" W  View metadata report for BODC series reference number 1317504
13176082004-10-30 04:53 53° 37' 22" N  3° 47' 35" W  View metadata report for BODC series reference number 1317608
13176212004-10-30 05:30 53° 37' 23" N  3° 54' 59" W  View metadata report for BODC series reference number 1317621
13176822004-10-30 09:55 53° 26' 55" N  3° 22' 19" W  View metadata report for BODC series reference number 1317682
13177012004-10-30 11:26 53° 26' 56" N  3° 38' 35" W  View metadata report for BODC series reference number 1317701
13177742004-10-29 18:57 53° 47' 8" N  3° 21' 53" W  View metadata report for BODC series reference number 1317774
13177862004-10-29 19:38 53° 42' 4" N  3° 21' 56" W  View metadata report for BODC series reference number 1317786
13176702004-10-30 09:18 53° 31' 50" N  3° 22' 8" W  View metadata report for BODC series reference number 1317670
13176942004-10-30 10:41 53° 27' 4" N  3° 30' 21" W  View metadata report for BODC series reference number 1317694
13177132004-10-30 12:04 53° 22' 40" N  3° 38' 34" W  View metadata report for BODC series reference number 1317713
13177492004-10-30 14:09 53° 22' 12" N  3° 55' 43" W  View metadata report for BODC series reference number 1317749
13177982004-10-29 20:22 53° 37' 18" N  3° 21' 51" W  View metadata report for BODC series reference number 1317798
16699162004-10-30 09:55 53° 26' 55" N  3° 22' 19" W  View metadata report for BODC series reference number 1669916
1  Fluorometers
Reference numbers
Date and time
Raw fluorometer output
Chlorophyll pigment concentrations in water bodies
Reference numbers
Date and time
Raw fluorometer output
Chlorophyll pigment concentrations in water bodies

BODC idDate/TimeLocationDoc.
11945212004-10-29 12:30  — 2004-12-15 13:00 53° 31' 59" N  3° 22' 9" W  View metadata report for BODC series reference number 1194521
2  In-situ nutrient analyser
Reference numbers
Date and time
Concentration of suspended particulate material in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column
Reference numbers
Date and time
Concentration of suspended particulate material in the water column
Silicate concentration parameters in the water column
Nitrate concentration parameters in the water column

BODC idDate/TimeLocationDoc.
11945452004-10-29 15:00  — 2004-12-15 12:00 53° 31' 59" N  3° 22' 9" W  View metadata report for BODC series reference number 1194545
11945702004-10-30 00:00  — 2004-12-15 00:00 53° 31' 59" N  3° 22' 9" W  View metadata report for BODC series reference number 1194570
1  Moored CTD
Reference numbers
Date and time
Salinity of the water column
Temperature of the water column
Electrical conductivity of the water column
Reference numbers
Date and time
Salinity of the water column
Temperature of the water column
Electrical conductivity of the water column

BODC idDate/TimeLocationDoc.
11945082004-10-29 12:30  — 2004-12-15 13:00 53° 31' 59" N  3° 22' 9" W  View metadata report for BODC series reference number 1194508
1  Nephelometers and optical backscatter sensors
Reference numbers
Date and time
Concentration of suspended particulate material in the water column
Reference numbers
Date and time
Concentration of suspended particulate material in the water column

BODC idDate/TimeLocationDoc.
11945332004-10-29 12:30  — 2004-12-15 13:00 53° 31' 59" N  3° 22' 9" W  View metadata report for BODC series reference number 1194533
2  radiometers
Reference numbers
Date and time
Visible waveband radiance and irradiance measurements in the water column
Reference numbers
Date and time
Visible waveband radiance and irradiance measurements in the water column

BODC idDate/TimeLocationDoc.
11945692004-10-29 12:30  — 2004-12-15 13:00 53° 31' 59" N  3° 22' 9" W  View metadata report for BODC series reference number 1194569
11945572004-10-29 12:30  — 2004-12-15 13:00 53° 31' 59" N  3° 22' 9" W  View metadata report for BODC series reference number 1194557
Discrete samples 
35  CTD frame plus rosette samplerTransmittance and attenuance of the water column
Nitrite concentration parameters in the water column
Salinity of the water column
Phosphate concentration parameters in the water column
Temperature of the water column
Concentration of suspended particulate material in the water column
Visible waveband radiance and irradiance measurements in the water column
Silicate concentration parameters in the water column
Density of the water column
Ammonium and ammonia concentration parameters in water bodies
Raw light meter output
Nitrate concentration parameters in the water column
Phaeopigment concentrations in the water column
Raw suspended particulate material concentration sensor output
Raw fluorometer output
Chlorophyll pigment concentrations in water bodies
3  Instrument mooring