- Resources
- Inventories
- Cruise inventory
- Report
- 895
RV Cirolana CIR1A/73
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Cirolana (74CZ) |
Cruise identifier | CIR1A/73 |
Cruise period | 1973-01-02 — 1973-01-11 |
Status | Completed |
Port of departure | Grimsby, United Kingdom |
Port of return | Plymouth, United Kingdom |
Purpose | Trials |
Objectives | 1. To calibrate 30 and 100 kHz echo survey and counting systems;
2. To carry out deep water trials with the 100 kHz towed narrow beam system; 3. To test the equipment for the Lake Rudolph Project; 4. To make experimental surveys of any suitable fish concentrations. |
Chief scientist | Ronald B Mitson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
Cruise report | (0.17 MB) |
Ocean/sea areas | |
General | English Channel North Sea Inner Seas off the West Coast of Scotland Bay of Biscay |
Measurements | |
Physical oceanography | |
Surface measurements underway (T,S) | Quantity: number of stations = 150 Description: S only |
Water bottle stations | Quantity: number of stations = 150 Description: 16 T |
Subsurface temperature and salinity measurements | Quantity: number of stations = 16 Description: S only |
Biology and fisheries | |
Zooplankton | Quantity: number of samples = 80 |
Eggs and larvae | Quantity: number of samples = 80 |
Pelagic fish | Quantity: number of hauls = 12 |
Demersal fish | Quantity: number of hauls = 12 |
Gear research | |
Other biological/fisheries measurement | Description: deep scattering layers |
Meteorology | |
Occasional standard measurements | |
Other meteorological measurements | Description: sea and swell |