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Alert Sep18
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | Alert (7459) |
| Cruise identifier | Sep18 |
| Cruise period | 2018-09-25 — 2018-09-25 |
| Status | Completed |
| Port of departure | Harwich, United Kingdom |
| Port of return | Harwich, United Kingdom |
| Purpose | Research |
| Objectives | Recovery of Cefas waveglider 'Lyra' and service of the West Gabbard 2 Cefas SmartBuoy. Water samples collected from manual Niskin with ESM2 CTD. |
| Chief scientist | Eric Fitton (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory), Tom Hull (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
| Project | An Alternative Framework to Assess Marine Ecosystem Functioning in Shelf Seas (AlterEco) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | West Gabbard |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of stations = 1 Description: Salinity, Chlorophyll, SPM and DO from manual niskin with ESM2 profiler measuring CTD, Chlorophyll fluorometry, PAR and DO. |
| CTD stations | Quantity: 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 | |
| Oxygen | Quantity: number of stations = 1 Description: Salinity, Chlorophyll, SPM and DO from manual niskin with ESM2 profiler measuring CTD, Chlorophyll fluorometry, PAR and DO. |
| Nitrate | Quantity: 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 measurements | 52° 4' 59" N 2° 6' 0" E — Recovery of Cefas waveglider 'Lyra' |
| Chemical oceanography | |
| Oxygen | 52° 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' |
