FRV Clupea 0681C
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Clupea (74CU) |
| Cruise identifier | 0681C |
| Cruise period | 1981-04-27 — 1981-05-06 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Buckie, United Kingdom |
| Purpose | Research |
| Objectives | 1. To uplift and replace three hydrographic moorings in the Moray Firth.
2. To undertake a hydrographic and chemical survey of the Moray Firth. 3. To lay a long term hydrographic mooring off Ungam Island, Sullom Voe and the shorter term placing of caged queen scallops off Calback Ness. 4. To conduct a hydrographic and chemical survery within Sullom Voe. |
| Chief scientist | J H Anthony Martin (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.10 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | Moray Firth/ Shetland |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of stations = 26 |
| Current meters | Quantity: number of recoveries = 3 Description: 2 c.m.for 78d;1 c.m.for 38d |
| Chemical oceanography | |
| Oxygen | Quantity: number of stations = 14 |
| Phosphate | Quantity: number of stations = 26 |
| Total - P | Quantity: number of stations = 12 |
| Nitrate | Quantity: number of stations = 25 |
| Total - N | Quantity: number of stations = 6 |
| Ammonia | Quantity: number of stations = 24 |
| Silicate | Quantity: number of stations = 26 |
| Contamination | |
| Petroleum residues | |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 26 |
| Particulate organic matter (inc POC, PON) | Quantity: number of stations = 12 |
