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RV Cirolana CIR10/75
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Cirolana (74CZ) |
Cruise identifier | CIR10/75 |
Cruise period | 1975-11-04 — 1975-11-16 |
Status | Completed |
Port of departure | Grimsby, United Kingdom |
Port of return | Falmouth, United Kingdom |
Purpose | Research |
Objectives | 1. An acoustic survey within the area Start Point-Wolf Rock extending
up to 40-50 miles off the coast. 2. Trace identification by means of mid-water trawling and feathering. 3. Tag feather-caught mackerel using both internal and external tags. 4. Target strength estimations using the pulse-height analyser. 5. Trials with the Birmingham University wideband sonar equipment. 6. Monitor foreign fishing activity within the survey area. |
Chief scientist | P O Johnson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
Cruise report | (0.19 MB) |
Ocean/sea areas | |
General | English Channel |
Measurements | |
Physical oceanography | |
Surface measurements underway (T,S) | Quantity: track kilometres = 3150 Description: T only |
Biology and fisheries | |
Pelagic fish | Quantity: number of hauls = 7 |
Acoustic reflection on marine organisms. | Quantity: track kilometres = 2611.32 |
Taggings | Quantity: track kilometres = 2055.72 |