Seaspring Trial 4

Cruise plan

Cruise Info.
Ship name	Seaspring
Cruise identifier	Trial 4
Cruise period	1991-09-24 — 1991-09-28
Status	Completed
Chief scientist	Madeleine McDonagh (Marine Pollution Div., Warren Spring Laboratory)
Project	MAST Trial 4 0033
Ocean/sea areas
General	North Sea
Specific	Southern North Sea
Measurements
Physical oceanography
CTD stations
Current meters	Quantity: number of deployments = 2 Description: deployed & recovered
Current meters	Quantity: number of deployments = 2 Description: VACM current meter, deployed and recovered.
Instrumented wave measurements	Quantity: number of deployments = 1 Description: Waverider buoy deployed and recovered.
Other physical oceanographic measurements	Quantity: number of deployments = 174 Description: dye tracer fluorometer
Other physical oceanographic measurements	Description: Sonar System, deployed and recovered during each tidal cycle (daylight).
Meteorology
Incident radiation	Quantity: activity duration in days = 5 Description: irradiance
Occasional standard measurements	Quantity: activity duration in days = 5 Description: air temperature - wet & dry bulbs
Other meteorological measurements	Quantity: activity duration in days = 5 Description: wind speed & direction