Cruise inventory

Prince Madog

Cruise summary report

Cruise Info. 
Ship name (ship code)Prince Madog (74PD)
Cruise period1983-07-11 — 1983-07-15
Port of departureMenai Bridge, United Kingdom
Port of returnMenai Bridge, United Kingdom
ObjectivesTo study sediment bioturbation off the Cumbrian coast at Sellafield. This work to be carried out by the diving team involving:
1. quantitative biological surveys of selected areas.
2. sampling of selected species of benthic animals.
3. investigation of burrow systems by a resin cast technique
4. photographic and TV observation of selected seabed areas.
5. collection of a number of sediment core samples for natural radioisotope measurements.
Chief scientistD J Swift (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportPrince Madog  cruise report prince_madog_jul83.pdf — access key 'C' (0.07 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
Geology and geophysics 
Core - soft bottomQuantity: number of samples = 6
Description: were taken, three box and three sediment. Two cores were analysed for 234 thorium and 210 lead. Two box cores were sectioned and samples were taken for plutonium and americium. The other two cores were retained for longitudinal sectioning and CR39 alpha-track analysis.
Bottom photographyQuantity: track kilometres = 11.112
Description: of comprehensive video record of the seabed. Close up pictures of selected burrow structures were also taken.