RV Tellina 11A/68
Cruise summary report
|Ship name (ship code)||RV Tellina (74TE)|
|Cruise period||1968-05-30 — 1968-06-07|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|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)|
|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|
|Zooplankton||Quantity: number of hauls = 6|