Thalassa November/December 1977
Cruise summary report
Cruise Info. | |
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Ship name (ship code) | Thalassa (35TH) |
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Cruise identifier | November/December 1977 |
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Cruise period | 1977-11-30 — 1977-12-17 |
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Status | Completed |
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Port of departure | Nantes, France |
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Port of return | Nantes, France |
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Purpose | Research |
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Objectives | 1. 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. |
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Chief scientist | I L Davies (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
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Cruise report | (0.09 MB) |
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Ocean/sea areas | |
General | Irish Sea and St. George's Channel Bristol Channel Celtic Sea |
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Specific | Eddystone area, Scilly Isles, Bristol Channel, Jones Bank, Cardigan Bay, Irish Sea |
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Track charts | (0.04 MB) |
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Measurements | |
Physical oceanography | |
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Subsurface temperature and salinity measurements | Quantity: number of hauls = 33 Description: A number of half hour trawls were made during the cruise. |
Biology and fisheries | |
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Demersal fish | Quantity: number of hauls = 33 Description: A number of half hour trawls were made during the cruise. |
Gear research | Description: Notes on gear perfomance were made.
No. of hauls not noted. |
Geology and geophysics | |
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Bottom photography | Description: Notes on gear perfomance were made.
No. of hauls not noted. |
In-situ seafloor measurement/sampling | Quantity: number of hauls = 33 Description: A number of half hour trawls were made during the cruise. |
Multi-beam echosounding | Quantity: number of hauls = 33 Description: A number of half hour trawls were made during the cruise. |