RV Prince Madog PD20/02
Cruise summary report
| Cruise Info. | |||||||||||||||||||||
| Ship name (ship code) | RV Prince Madog (74P2) | ||||||||||||||||||||
| Cruise identifier | PD20/02 | ||||||||||||||||||||
| Cruise period | 2002-08-07 — 2002-08-08 | ||||||||||||||||||||
| Status | Completed | ||||||||||||||||||||
| Port of departure | Menai Bridge, United Kingdom | ||||||||||||||||||||
| Port of return | Menai Bridge, United Kingdom | ||||||||||||||||||||
| Purpose | Research | ||||||||||||||||||||
| Objectives | 1. 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; Seabed frame with 600kHz ADCP to measure fast sample current profiles; 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 scientist | M John Howarth (Proudman Oceanographic Laboratory) | ||||||||||||||||||||
| Project | Liverpool Bay Coastal Observatory | ||||||||||||||||||||
| Coordinating body | Proudman Oceanographic Laboratory | ||||||||||||||||||||
| Cruise report |  (0.11 MB) | ||||||||||||||||||||
| Ocean/sea areas | |||||||||||||||||||||
| General | Irish Sea and St. George's Channel | ||||||||||||||||||||
| Specific | eastern Irish Sea | ||||||||||||||||||||
| Measurements | |||||||||||||||||||||
| Physical oceanography | |||||||||||||||||||||
| Surface measurements underway (T,S) | Quantity: activity duration in days = 2 Description: Underway data: temperature, salinity, fluorescence, turbidity, windspeed, wind direction, air temperature, relative humidity, barometric pressure, PAR, solar radiation | ||||||||||||||||||||
| CTD stations | Quantity: number of stations = 34 Description: Vertical profiles of temperature, salinity, fluorescence, beam transmission, oxygen, pressure | ||||||||||||||||||||
| Moorings, landers, buoys | |||||||||||||||||||||
| Physical oceanography | |||||||||||||||||||||
| Transparency (eg transmissometer) | 53° 31' 59" N 3° 22' 0" W — 1 25cm Sea Tech transmissometer with T/C sensors to measure beam attenuation, temperature and conductivity. Deployed 07/08/02 near bed in 25m depth. | ||||||||||||||||||||
| Current profiler (eg ADCP) | 53° 31' 59" N 3° 22' 0" W — 1 600kHz fast sample ADCP to measure velocity profile. Deployed 07/08/02 at bed in 24m depth. | ||||||||||||||||||||
| Current profiler (eg ADCP) | 53° 31' 59" N 3° 22' 0" W — 1 600kHz ADCP to measure mean current profile and pressure. Deployed 07/08/02 at bed in 25m depth. | ||||||||||||||||||||
| Sea level (inc. bot. press., inverted echosounder) | 53° 31' 59" N 3° 22' 0" W — 1 Aanderaa pressure recorder to measure bottom pressure. Deployed 07/08/02 at bed in 25m depth. | ||||||||||||||||||||
| Other physical oceanographic measurements | 53° 31' 59" N 3° 22' 0" W — 3 Aanderaa current meters logging temperature and conductivity only. Deployed on 07/08/02 in 26m depth; instruments at 2, 5 and 10m below surface. | ||||||||||||||||||||
| Data held at BODC | Get data | ||||||||||||||||||||
| Series/Profiles | |||||||||||||||||||||
| 2 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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| 1 Bottom pressure sensor tide gauge | Reference numbers Date and time Temperature of the water column Sea level
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| 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
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| Discrete samples | |||||||||||||||||||||
| 35 CTD frame plus rosette sampler | Transmittance 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 |
