Cruise inventory

RV Corella 18AB/69

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier18AB/69
Cruise period1969-11-25 — 1969-12-04
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLiverpool, United Kingdom
PurposeResearch
Objectives1. To continue the examination of the budget of artificial radionuclides in the Irish Sea.
2. To collect seawater samples at selected stations for trace element analysis.
3. To obtain a large volume of seawater from the vicinity of UKAEA Windscale for an IAEA intercalibration exercise.
4. Collection of seawater samples at stations in the North Sea, English Channel and Bristol Channel to determine concentrations of caesium-137 and strontium-90 derived from nuclear weapon-test fallout.
5. To conduct total gamma counting above the sea surface using sodium iodide detectors in order to assess the usefulness of the method in discriminating between background and discharge situations.
6. Collection on behalf of Dr D R Robertson (battelle Pacific Northwest Laboratory) of surface water samples from representative stations in United Kingdom coastal waters for trace element analysis by neutron activation.
Chief scientistDouglas F Jefferies (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 18AB/69 cruise report corella18_69.pdf — access key 'C' (0.22 MB) 
Ocean/sea areas 
GeneralEnglish Channel
North Sea
Irish Sea and St. George's Channel
Bristol Channel
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 42
Description: salinity samples and large volume samples for 137Cs and 90Sr
Chemical oceanography 
RadioactivityQuantity: number of stations = 42
Description: salinity samples and large volume samples for 137Cs and 90Sr