FFS Solea 691

Cruise summary report

Cruise Info. 
Ship name (ship code)FFS Solea (06SL)
Cruise identifier691
Cruise period2014-07-18 — 2014-08-06
Port of departureCuxhaven, Germany
Port of returnCuxhaven, Germany

1. To participate in the German Small-Scale Bottom Trawl Survey (GSBTS) to monitor the fish fauna in 6 out of 12 small areas (boxes).
2. To investigate the hydrographical conditions within the boxes (vertical distribution of temperature, salinity and turbidity).
3. To calibrate the low-light stereo cameras used in the UFO-Project with the RAMSES-ACC-VIS (Hyperspectral UV-VIS Irradiance Sensor - 320 - 950 nm).


On the 18th of July 2014 Solea left Cuxhaven and started the following day in Box K (German Bight) the scientific program. In general, the scientific program comprised three days with 7 hauls a day per box together with three CTD measurements and three measurements with RAMSES. The spectral radiometer was borrowed from the working group of Prof Martin Wahl (GEOMAR, Kiel). The incoming solar radiation [W/m²nm] between wavelengths of 320nm and 950nm was measured at all hydrographic stations up to a maximum water depth of approximately 25 m. The calculated (with the SAS Software) depth profiles will be used to
calibrated the low light stereo cameras used in the UFO-Project (TP1 of AutoMAT, TI-SF).

On Monday the 21st Solea had to stop in Esbjerg due to some technical problems. The scientific program continued from the 22nd of July until the 28th of July. On the 29th of July three members of the scientific crew have been exchanged in Esbjerg. The program continued from the following Wednesday 30th of July. The program ended on the 5th of August at 6 pm and the Solea docked in Cuxhaven the following day.
Chief scientistJens Ulleweit (Thünen Institute of Sea Fisheries, Hamburg), Vanessa Stelzenmüller (Thünen Institute of Sea Fisheries, Hamburg)
Cruise reportFFS Solea 691 cruise report solea_691.pdf (1.25 MB) 
NPRCFFS Solea 691 NPRC solea_691.pdf (0.34 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificSouthern North Sea