FRV Explorer 6/71
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 6/71 |
| Cruise period | 1971-09-15 — 1971-10-07 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | Herring larval survey in the north-western North Sea
Stormy weather hindered work between the 23/09/1971 and the 24/09/1971. ''Explorer'' put into Aberdeen on the 27/09/1971 till the 30/09/1971 to replenish water supplies and make repairs. |
| Chief scientist | Ian G Baxter (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.09 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | Dnunnet Head, Fair Isle, Moray Firth, Whiten Head area, W of Orkney |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of stations = 55 Description: top & bottom. Pump samples were taken for salinity analysis at all stations, continuous sub-surface temperature records were obtained with a thermograph |
| Subsurface temperature and salinity measurements | Quantity: number of stations = 55 Description: top & bottom. Pump samples were taken for salinity analysis at all stations, continuous sub-surface temperature records were obtained with a thermograph |
| Biology and fisheries | |
| Phytoplankton | Quantity: number of hauls = 9 Description: 150 Plankton Indicator hauls made for the IMER Laboratory |
| Eggs and larvae | Quantity: number of stations = 308 |
| Other biological/fisheries measurement | Quantity: 21 Description: chemical analysis of biological material for heavy metals and pesticides |
