Cruise inventory

Thalassa November/December 1977

Cruise summary report

Cruise Info. 
Ship name (ship code)Thalassa (35TH)
Cruise identifierNovember/December 1977
Cruise period1977-11-30 — 1977-12-17
StatusCompleted
Port of departureNantes, France
Port of returnNantes, France
PurposeResearch
Objectives1. To carry out a gadoid survey in the Bristol Channel and Irish Sea
2. To allow MAFF personnel to observe the rigging and handling of 36/47 GOV trawl.
Chief scientistI L Davies (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportThalassa November/December 1977 cruise report thalassa_dec77.pdf — access key 'C' (0.09 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
Bristol Channel
Celtic Sea
SpecificEddystone area, Scilly Isles, Bristol Channel, Jones Bank, Cardigan Bay, Irish Sea
Track chartsThalassa November/December 1977 cruise track — thalassa_dec77track.pdf (00 MB) 
Measurements 
Physical oceanography 
Subsurface temperature and salinity measurementsQuantity: number of hauls = 33
Description: A number of half hour trawls were made during the cruise.
Biology and fisheries 
Demersal fishQuantity: number of hauls = 33
Description: A number of half hour trawls were made during the cruise.
Gear researchDescription: Notes on gear perfomance were made. No. of hauls not noted.
Geology and geophysics 
Bottom photographyDescription: Notes on gear perfomance were made. No. of hauls not noted.
In-situ seafloor measurement/samplingQuantity: number of hauls = 33
Description: A number of half hour trawls were made during the cruise.
Multi-beam echosoundingQuantity: number of hauls = 33
Description: A number of half hour trawls were made during the cruise.