RV Tellina 11A/68
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Tellina (74TE) |
| Cruise identifier | 11A/68 |
| Cruise period | 1968-05-30 — 1968-06-07 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | The principal aim of the cruise was a hydrographic survey of the estuary of
the river Blackwater. This was to include the following:- (a) a number of experiments using the dye Rhodamine-B. (b) measurement of the turbidity, temperature and salinity distributions. (c) measurement of water velocity. Additional to the work in the Blackwater estuary was:- (d) a small number of plankton hauls off Sizewell, Orford Bess and Clacton. (e) the release of sea bed and surface drifters off Orford Ness and Clacton. |
| Chief scientist | John W Talbot (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.17 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Description: temperature measurements over estuary |
| Geochemical tracers (eg freons) | Quantity: sample litres = 113.6 Description: litres of Rhodamine released and observed |
| Surface drifters/drifting buoys | Quantity: number of deployments = 15 Description: surface drifters |
| Other physical oceanographic measurements | Description: turbidity measurements over estuary |
| Other physical oceanographic measurements | Quantity: number of deployments = 75 Description: seabed drifters |
| Biology and fisheries | |
| Phytoplankton | Quantity: number of hauls = 6 Description: plankton |
| Zooplankton | Quantity: number of hauls = 6 Description: plankton |
