RV Clione CLI10/83

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Clione (74CN)
Cruise identifierCLI10/83
Cruise period1983-08-18 — 1983-08-31
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To make acoustic surveys of spawning herring concentrations off the Yorkshire coast and elsewhere in the west central North Sea using a 38 kHz transducer mounted in a light-weight towed body, or loan from DAFS, in conjunction with both the QM and QD echo integrators.
2. To obtain samples of herring for age analysis.
3. To obtain comparative data using both 38 kHz and 29 kHz transducers.
Chief scientistR J Wood (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Clione CLI10/83 cruise report clione10_83.pdf (0.16 MB) 
Ocean/sea areas 
GeneralNorth Sea
Irish Sea and St. George's Channel
SpecificW. Central North Sea
Track chartsRV Clione CLI10/83 cruise track — trk2952.html
Biology and fisheries 
PhytoplanktonQuantity: number of hauls = 7
ZooplanktonQuantity: number of hauls = 7
Pelagic fishQuantity: number of hauls = 7
Acoustic reflection on marine organisms.