Cruise inventory

RV Clione CLI9/73

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Clione (74CN)
Cruise identifierCLI9/73
Cruise period1973-05-24 — 1973-06-08
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
Objectives1. To salvage JONSIS Station A and then re-establish it and to service
JONSIS Station B.
2. To recover the 6 moored current meter stations laid in a line across
the northern North Sea from Rattray Head, Scotland to Lim Fjord, Denmark
during Cruise 6. At each station hydrographic serial observations will
be made and 50 Woodhead sea-bed drifters released.
3. To anchor the vessel at 55 degrees 07', 01 degrees 10'W, the centre of Dr P 0 Johnson's sprat-fishing area, and take observations of tidal current speed and
direction at various depths in the water column over a 25 hour period.
4. To establish an equilateral triangle (side length I0 miles) of moored
recording current meter stations in the central area of the northern
North Sea and track the drift of a parachute drogue released within
the triangle over a 25 hour period.
5. To collect turbot eggs for Dr Purdom and octoparasites of RAIA radiata for Mr Leppington-Clarke.
Chief scientistJohn W Ramster (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Clione CLI9/73 cruise report clione9_73.pdf — access key 'C' (0.48 MB) 
Ocean/sea areas 
GeneralNorth Sea
Specificnorthern and central North Sea
Track chartsRV Clione CLI9/73 cruise track — clione9_73trk.pdf (00 MB) 
Measurements 
Physical oceanography 
Current metersQuantity: number of stations = 3
Description: Of the 6 stations on the Rattray Head-Lime Fjord line, the 3 most westerly rigs (Stations D, E, and H) were recovered intact
Current metersQuantity: number of stations = 1
Description: Station J - current meters on the line landed
Current metersQuantity: number of stations = 5
Description: Aberdeen moored current meter stations lying in a line roughly perpendicular to the Lowestoft line were successfully recovered: one meter wire had been broken and the current meter and subsurface float were missing
Biology and fisheries 
Demersal fishQuantity: number of specimens = 13
Description: 8 live turbot (6 males, 2 females) and 2 brill were brought back. 3 specimens of berried crabs in the Middle Rough trawl haul catches were brought back aswell
CrustaceansQuantity: number of specimens = 13
Description: 8 live turbot (6 males, 2 females) and 2 brill were brought back. 3 specimens of berried crabs in the Middle Rough trawl haul catches were brought back aswell