Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RV Tellina 11A/68

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Tellina (74TE)
Cruise identifier11A/68
Cruise period1968-05-30 — 1968-06-07
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
ObjectivesThe 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 scientistJohn W Talbot (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Tellina 11A/68 cruise report tellina11a_68.pdf — access key 'C' (0.17 MB) 
Ocean/sea areas 
GeneralNorth Sea
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 buoysQuantity: number of deployments = 15
Description: surface drifters
Other physical oceanographic measurementsQuantity: number of deployments = 75
Description: seabed drifters
Other physical oceanographic measurementsDescription: turbidity measurements over estuary
Biology and fisheries 
PhytoplanktonQuantity: number of hauls = 6
Description: plankton
ZooplanktonQuantity: number of hauls = 6
Description: plankton