Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RV Cirolana CIR6/91

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR6/91
Cruise period1991-06-20 — 1991-07-14
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To conduct biological effects monitoring studies and associated physical measurements and chemical analyses at stations established by the North Sea Task Force in the North Sea and English Channel (MMP), and under the associated National Monitoring Progamme (NMP) in the Irish Sea and Bristol Channel.
2. To evaluate a Microtox sediment bioassay technique.
3. To collect water column samples for PAH analysis along a transect across the Dover Straits as part of the FLUXMANCHES programme.
4. To investigate the distribution of lindane, triazines and related compounds in the vicinity of the Humber, Mersey, Tees and Tyne estuaries.
5. To collect samples of suspended particulate material for chlorobiphenyl analysis from coastal and estuarine areas.
6. To collect water samples from the English Channel for lindane analysis, as part of the ongoing study folowing the loss of MV Perintis in 1989.
7. To collect water samples for the analysis of volatile 'Red List' substances in coastal and estuarine waters.
8. To carry out an anchor dredge survey of dredged and non-dredged areas within the Thames/Harwich region.
9. To conduct trials of a prototype Marne Position Recorder.
10. To collect sediment samples from stations along the cruise track not previously sampled for the JMG baseline survey.
(Note: Aimes 9 and 10 are additional aims not on the original cruise programme.)
Chief scientistRobin John Law (Ministry of Agriculture, Fisheries and Food Burnham Laboratory)
Cruise reportRV Cirolana CIR6/91 cruise report ci6_91.pdf — access key 'C' (0.15 MB) 
Ocean/sea areas 
GeneralEnglish Channel
North Sea
Irish Sea and St. George's Channel
SpecificNorth Sea
Track chartsRV Cirolana CIR6/91 cruise track — trk3708.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 24
CTD stationsQuantity: number of stations = 128
Description: surface salinity only
Chemical oceanography 
PhosphateQuantity: number of samples = 131
NitrateQuantity: number of samples = 131
NitriteQuantity: number of samples = 84
SilicateQuantity: number of samples = 131
Other contaminant measurementsQuantity: number of samples = 103
Geology and geophysics 
GrabQuantity: number of samples = 99