Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RV Cirolana CIR10/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR10/75
Cruise period1975-11-04 — 1975-11-16
Port of departureGrimsby, United Kingdom
Port of returnFalmouth, United Kingdom
Objectives1. 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 scientistP O Johnson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR10/75 cruise report ci10_75.pdf — access key 'C' (0.19 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 3150
Description: T only
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 7
Acoustic reflection on marine organisms.Quantity: track kilometres = 2611.32
TaggingsQuantity: track kilometres = 2055.72