Arctic Expedition LB21
The Arctic expedition 2021 of the Italian Icebreaker Laura Bassi took place during 6th August –14th September 2021. The expedition co-financed by OGS and the PRA that supported 3 research projects, was split in two Legs: Leg-1 Bergen 6th August – Longyearbyen 29th August; and Leg 2 Longyearbyen 30th August – Bergen 14th August. The acquisition for the project IRIDYA took place during both Legs.
IRIDYA acquisition area. The new acquisition included:
3150 km2 of multibeam bathymetry using an echosounder Kongsberg EM 304 MKII
1500 km of Sub-bottom profiles using a Kongsberg-Geoacoustic Topas PS18
Piston cores: 20.65 m
Multi-cores: over 15 m partly sliced onboard (225 sub-samples)
Additional details in the IRIDYA Summary Cruise Report
LB21 Leg-1 [Bergen 6th August – Longyearbyen 29th August]
LB21 Leg-2 [Longyearbyen 30th August – Bergen 14th September]
OSIL Piston Corer
CTD-Rosette
Piston core extraction
Piston core labelling
OKTOPUS Multi-corer assembled with 12 sampling tubes
Dry Lab, acoustic data acquisition