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RV Corystes COR4/90
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Corystes (74RY) |
Cruise identifier | COR4/90 |
Cruise period | 1990-03-08 — 1990-03-21 |
Status | Completed |
Port of departure | Lowestoft, United Kingdom |
Port of return | Lowestoft, United Kingdom |
Purpose | Research |
Objectives | 1. To recover a line of four current meter moorings offshore of Marsden Bay.
2. To deploy the tetrapod for zero offset deployments and for 12 and 24 hour anchor stations, depending on the weather conditions. Most deployments will be in and around the Marsden Bay and Alnmouth Bay areas. 3. To try out the Cambridge University Colnbrook current meters and to perform tests on the acoustic backscatter monitor (ABM). 4. To undertake grab sample, side-scan sonar surveys and CTD surveys of the area as necessary. 5. To complete a 24 hour combined tetrapod/Th-234 geochemistry anchor station. 6. To run an offshore Th-234 geochemistry section at a suitable location between Marsden and Alnmouth Bays. |
Chief scientist | Edward M Gmitrowicz (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
Cruise report | (0.22 MB) |
Ocean/sea areas | |
General | North Sea |
Specific | NE Coast of England |
Track charts | |
Measurements | |
Physical oceanography | |
Water bottle stations | Quantity: number of stations = 100 Description: top & bottom 1 with T only |
Contamination | |
Suspended matter | Quantity: number of stations = 83 Description: sediment load/particle size |
Other contaminant measurements | Quantity: number of experiments = 7 Description: determination of settling velocity |
Geology and geophysics | |
Grab | Quantity: number of samples = 37 Description: day grab for sediment type |
Long/short range side scan sonar | Quantity: number of hauls = 10 Description: sidescan survey of Alnmouth Bay (estimated mileage) |
Moorings, landers, buoys | |
Physical oceanography | |
Current meters | 55° 0' 0" N 1° 22' 0" W — recovery 2 meters (ID 90D2) |
Current meters | 55° 0' 0" N 1° 22' 0" W — recovery 2 meters (ID 90B2) |
Current meters | 55° 0' 0" N 1° 22' 0" W — recovery 2 meters (ID 90A2) |
Other physical oceanographic measurements | 54° 58' 59" N 1° 21' 0" W — near bed velocity 13 Mar 1990 to 16 Mar 1990 |
Other physical oceanographic measurements | 55° 21' 0" N 1° 34' 0" W — near bed velocity 16 Mar 1990 to 17 Mar 1990 |
Other physical oceanographic measurements | 54° 58' 59" N 1° 21' 0" W — near bed velocity 12 Mar 1990 to 13 Mar 1990 |
Other physical oceanographic measurements | 54° 58' 59" N 1° 21' 0" W — near bed velocity 11 Mar 1990 to 12 Mar 1990 |
Other physical oceanographic measurements | 54° 58' 59" N 1° 21' 0" W — near bed velocity 10 Mar 1990 to 11 Mar 1990 |
Other physical oceanographic measurements | 55° 21' 0" N 1° 34' 0" W — near bed velocity 17 Mar 1990 to 20 Mar 1990 |