RV Clione CLI9/73
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Clione (74CN) |
| Cruise identifier | CLI9/73 |
| Cruise period | 1973-05-24 — 1973-06-08 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | 1. 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 scientist | John W Ramster (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.48 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | northern and central North Sea |
| Track charts | (0.06 MB) |
| Measurements | |
| Physical oceanography | |
| Current meters | Quantity: 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 meters | Quantity: number of stations = 1 Description: Station J - current meters on the line landed |
| Current meters | Quantity: 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 fish | Quantity: 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 |
| Crustaceans | Quantity: 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 |
