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Alert Sep18

Cruise summary report

Cruise Info. 
Ship name (ship code)Alert (7459)
Cruise identifierSep18
Cruise period2018-09-25 — 2018-09-25
StatusCompleted
Port of departureHarwich, United Kingdom
Port of returnHarwich, United Kingdom
PurposeResearch
ObjectivesRecovery of Cefas waveglider 'Lyra' and service of the West Gabbard 2 Cefas SmartBuoy. Water samples collected from manual Niskin with ESM2 CTD.
Chief scientistEric Fitton (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory), Tom Hull (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
ProjectAn Alternative Framework to Assess Marine Ecosystem Functioning in Shelf Seas (AlterEco)
Ocean/sea areas 
GeneralNorth Sea
SpecificWest Gabbard
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 1
Description: Salinity, Chlorophyll, SPM and DO from manual niskin with ESM2 profiler measuring CTD, Chlorophyll fluorometry, PAR and DO.
CTD stationsQuantity: number of stations = 1
Description: Salinity, Chlorophyll, SPM and DO from manual niskin with ESM2 profiler measuring CTD, Chlorophyll fluorometry, PAR and DO.
Chemical oceanography 
OxygenQuantity: number of stations = 1
Description: Salinity, Chlorophyll, SPM and DO from manual niskin with ESM2 profiler measuring CTD, Chlorophyll fluorometry, PAR and DO.
NitrateQuantity: number of stations = 1
Description: Salinity, Chlorophyll, SPM and DO from manual niskin with ESM2 profiler measuring CTD, Chlorophyll fluorometry, PAR and DO.
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 1
Description: Salinity, Chlorophyll, SPM and DO from manual niskin with ESM2 profiler measuring CTD, Chlorophyll fluorometry, PAR and DO.
Moorings, landers, buoys 
Physical oceanography 
Subsurface temperature and salinity measurements52° 4' 59" N  2° 6' 0" E — Recovery of Cefas waveglider 'Lyra'
Chemical oceanography 
Oxygen52° 4' 59" N  2° 6' 0" E — Recovery of Cefas waveglider 'Lyra'
Biology and fisheries 
Acoustic reflection on marine organisms.52° 4' 59" N  2° 6' 0" E — Recovery of Cefas waveglider 'Lyra'