Prince Madog ISIS25

Cruise summary report

Cruise Info. 
Ship name (ship code)Prince Madog (74PD)
Cruise identifierISIS25
Cruise period1981-08-17 — 1981-08-21
Port of departureMenai Bridge, United Kingdom
Port of returnMenai Bridge, United Kingdom
ObjectivesSurvey cruise contributing to research directed toward an understanding of how the physics of the Irish Sea and surrounding regions (Celtic Sea, St, George's Channel, North Channel and Clyde Sea) determined biogeochemical processes and sediment transport.
Chief scientistDavid G Bowers (University of Wales, Bangor School of Ocean Sciences)
ProjectInterdisciplinary Study of the Irish Sea
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
Physical oceanography 
Surface measurements underway (T,S)
CTD stationsQuantity: number of stations = 14
Description: CTD
Transparency (eg transmissometer)Quantity: 6
Description: beam attenuation
Optics (eg underwater light levels)Quantity: 1
Description: irradiance
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: 7
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: chlorophyll fluorescence & 6 profiles
Dissolved organic matter (inc DOC)Quantity: 7
Description: yellow substances
SestonQuantity: 7
Incident radiationDescription: surface irradiance