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- 5946
RV Prince Madog PD02/03
Cruise summary report
Cruise Info. | |||||||||||||||||||||||||||||||||||||||||||||
Ship name (ship code) | RV Prince Madog (74P2) | ||||||||||||||||||||||||||||||||||||||||||||
Cruise identifier | PD02/03 | ||||||||||||||||||||||||||||||||||||||||||||
Cruise period | 2003-01-23 — 2003-01-24 | ||||||||||||||||||||||||||||||||||||||||||||
Status | Completed | ||||||||||||||||||||||||||||||||||||||||||||
Port of departure | Menai Bridge, United Kingdom | ||||||||||||||||||||||||||||||||||||||||||||
Port of return | Menai Bridge, United Kingdom | ||||||||||||||||||||||||||||||||||||||||||||
Purpose | Research | ||||||||||||||||||||||||||||||||||||||||||||
Objectives | 1. At 53° 32' N 3° 21.8' W, half a mile west of the Mersey Bar Light Vessel -
To recover a) A sea bed frame for a 600 kHz ADCP to measure the mean current profile and pressures. A pressure recorder, a transmissometer / conductivity / temperature logger and a SeaBird MicroCat are fitted to the frame. b) A sea bed frame for a 600 kHz ADCP to measure the mean current profile, pressures and directional waves. c) A CEFAS SmartBuoy in a single point mooring with an Aanderaa temperature and conductivity logger at 10 m below the surface. To deploy d) A sea bed frame for a 600 kHz ADCP to measure the mean current profile and pressures. A pressure recorder, a transmissometer / conductivity / temperature logger and a SeaBird MicroCat are also fitted to the frame (recovery a). e) A sea bed frame fitted with a 1.2 MHz ADCP, SonTek ADV, LISST-100 and Sontek coherent Doppler on loan. f) A CEFAS SmartBuoy in a single point mooring with an Aanderaa temperature and conductivity logger at 10 m below the surface. g) A development spar buoy. 2. To conduct a CTD / LISST survey of 34 stations every 5 miles covering the eastern Irish Sea between the North Wales coast and Blackpool and the Lancashire coast and the Great Orme, to determine the effects of the rivers Dee, Mersey and Ribble on Liverpool Bay. To obtain calibration samples for suspended sediment at all stations and for chlorophyll at selected stations. | ||||||||||||||||||||||||||||||||||||||||||||
Chief scientist | M John Howarth (Proudman Oceanographic Laboratory) | ||||||||||||||||||||||||||||||||||||||||||||
Cruise programme | (0.16 MB) | ||||||||||||||||||||||||||||||||||||||||||||
Cruise report | (0.11 MB) | ||||||||||||||||||||||||||||||||||||||||||||
Ocean/sea areas | |||||||||||||||||||||||||||||||||||||||||||||
General | Irish Sea and St. George's Channel | ||||||||||||||||||||||||||||||||||||||||||||
Measurements | |||||||||||||||||||||||||||||||||||||||||||||
Physical oceanography | |||||||||||||||||||||||||||||||||||||||||||||
CTD stations | Description: CTD survey took place during the cruise. No. of profiles not noted. | ||||||||||||||||||||||||||||||||||||||||||||
Subsurface temperature and salinity measurements | Description: At Puffin Island surface sampling was taken. No. of samples not noted. | ||||||||||||||||||||||||||||||||||||||||||||
Subsurface temperature and salinity measurements | Description: CTD survey took place during the cruise. No. of profiles not noted. | ||||||||||||||||||||||||||||||||||||||||||||
Current profiler (eg ADCP) | Description: ADCP was released a number of times throughout the group. No. of deployments not noted. | ||||||||||||||||||||||||||||||||||||||||||||
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
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10 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
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1 Bottom pressure sensor tide gauge | Reference numbers Date and time Temperature of the water column Sea level
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1 Fluorometers | Reference numbers Date and time Raw fluorometer output
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1 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
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2 Moored CTD | Reference numbers Date and time Salinity of the water column Temperature of the water column Electrical conductivity of the water column Sea level Reference numbers Date and time Salinity of the water column Temperature of the water column Electrical conductivity of the water column Sea level
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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
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2 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
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1 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
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Discrete samples | |||||||||||||||||||||||||||||||||||||||||||||
26 CTD frame plus rosette sampler | Transmittance 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 Silicate concentration parameters in the water column Density of the water column Ammonium and ammonia concentration parameters in water bodies 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 | ||||||||||||||||||||||||||||||||||||||||||||
2 Instrument mooring |