Cruise summary report
Cruise Info. | |
---|
Ship name (ship code) | RV Corella (74CX) |
---|
Cruise identifier | 9/72 |
---|
Cruise period | 1972-06-06 — 1972-06-26 |
---|
Status | Completed |
---|
Port of departure | Lowestoft, United Kingdom |
---|
Port of return | Lowestoft, United Kingdom |
---|
Purpose | Research |
---|
Objectives | 1. To observe, photograph and measure the disturbance of the seabed due to the passage of a 10 m beam trawl fitted with various numbers and weights of tickler chains on gravel, sand and mud.
2. To measure the tidal flow close to the seabed wherever the trawl
observations are made.
3. To obtain samples of the bottom sediments before and after the passage
of the trawl. |
---|
Chief scientist | J P Bridger (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
---|
Cruise report | (0.26 MB) |
---|
Ocean/sea areas | |
General | English Channel |
---|
Measurements | |
Physical oceanography | |
---|
Current meters | Quantity: number of deployments = 2 Description: direct reading |
Biology and fisheries | |
---|
Gear research | Quantity: number of stations = 20 |
Meteorology | |
---|
Occasional standard measurements | Quantity: number of observations = 20 |
Other meteorological measurements | Quantity: number of observations = 20 Description: sea and swell |
Geology and geophysics | |
---|
Core - soft bottom | Quantity: number of stations = 20 Description: cores |
Bottom photography | Quantity: number of stations = 20 |