Cruise inventory

RV Cirolana CIR12/92

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR12/92
Cruise period1992-12-01 — 1992-12-18
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
Objectives1. To collect and process surface water (and bottom water from selected sites) from UK coastal waters for the analysis of Tc, I, Co (Cs) and transuranic radionuclides as part of a pre-EARP survey (AE0104, NFSP, MAST II).
2. To determine the present oxidation state distribution of transuranium elements in UK coastal waters and the speciation of Co in the eastern Irish Sea (AE0104A).
3. To conduct further studies of actinide colloid distributions in the Irish Sea and run supporting trials to investigate the ultra-filtration technique for seawater colloid separations (AE0104A, NFSP).
4. To isolate and concentrate the dissolved organic carbon in sea water in order to assess the nature, size distribution and relative amounts of the various colloidal organic components present (University of Newcastle).
5. To study the surface sediment and water concentrations of U, Th, Ra, Po and Pb radionuclides and nutrients in the immediate vicinity of the Marchon outfall and further offshore in the eastern Irish Sea. Part of this work is to be done in conjunction with a small charter vessel (AE0104B).
6. To collect a large volume sample of surface Atlantic water for low-level radionuclide intercomparison purposes (Tc etc) as part of ongoing collaborative studies with our colleagues in other European countries (AE0104A).
7. To deploy near-bed rigs in Newburgh Bay (AE0207AQ).
Chief scientistB R Harvey (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
ProjectPre-EARP Survey
Coordinating bodyNFSP/MAST II
Cruise reportRV Cirolana CIR12/92 cruise report ci12_92.pdf — access key 'C' (0.22 MB) 
Ocean/sea areas 
GeneralEnglish Channel
North Sea
Irish Sea and St. George's Channel
North East Atlantic Ocean (limit 40W)
SpecificSelected sites from around UK.
Track chartsRV Cirolana CIR12/92 cruise track — trk3809a.html RV Cirolana CIR12/92 cruise track — trk3809b.html
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 57
Description: surface S only
CTD stationsQuantity: number of stations = 3
Chemical oceanography 
PhosphateQuantity: number of samples = 37
NitrateQuantity: number of samples = 37
NitriteQuantity: number of samples = 37
SilicateQuantity: number of samples = 37
RadioactivityQuantity: number of samples = 19
Description: Surface Cobalt ,Caesium, Plutonium, Americium, Iodine-129
RadioactivityQuantity: number of samples = 37
Description: naturally occurring radionuclides
RadioactivityQuantity: number of samples = 72
Description: surface Technetium-99