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RV Prince Madog PD11/06A

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Prince Madog (74P2)
Cruise identifierPD11/06A
Cruise period2006-03-25 — 2006-03-26
StatusCompleted
Port of departureMenai Bridge, United Kingdom
Port of returnMenai Bridge, United Kingdom
PurposeResearch
ObjectivesObjectives

1. To collect optical and hydrographic profiles in the Mersey Estuary.
2. To collect water samples to provide information on the specific inherent optical properties in these waters.

Narrative

Five stations were visited on the 25 March 2006 in the Mersey Estuary. The same five stations were re-visited on the 26 March 2006. At all stations, optical and hydrographic vertical profiles were collected, along with surface water samples. Parameters measured from the water samples were: Suspended Particulate Matter concentration, total pigment concentration, absorption spectra of dissolved organic matter, salinity, and absorption spectra of suspended particles retained on filters.
Chief scientistBenjamin D Moate (University of Wales, Bangor School of Ocean Sciences)
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificIrish Sea
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 11
Description: Water samples collected at surface using a bucket.
CTD stationsQuantity: number of stations = 11
Description: SeaBird CTD connected to a transmissometer and Optical Back Scatter
Optics (eg underwater light levels)Quantity: number of stations = 11
Description: Vertical profiles of downwelling and upwelling irradiance. Surface Irradiance