Cruise inventory

FRV Mara 4A/77

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier4A/77
Cruise period1977-04-19 — 1977-05-02
Port of departureBuckie, United Kingdom
Port of returnBuckie, United Kingdom
Objectives1. To conduct hydro-biological surveys of the Sullom Voe and neighbouring areas.
2. To measure currents in Sullom Voe using two current meter moorings, parachute drogues and a window blind.
3. To assess the oxygen demand of the sediments in the upper basin of Sullom Voe.
Chief scientistD D Seaton (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), Harry D Dooley (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 4A/77 cruise report mara4a_77.pdf — access key 'C' (0.07 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsFRV Mara 4A/77 cruise track — trk1986.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 40
Current metersQuantity: number of deployments = 25
Description: 28 days
Chemical oceanography 
OxygenQuantity: number of stations = 39
PhosphateQuantity: number of stations = 29
NitrateQuantity: number of stations = 39
AmmoniaQuantity: number of stations = 39
SilicateQuantity: number of stations = 26
Biology and fisheries 
Primary productivityQuantity: number of samples = 144
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 39
Geology and geophysics 
Other geological/geophysical measurementsQuantity: number of samples = 25
Description: chemical analysis of sediments