Buoy Installation (IMAGE)

Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research

Buoy Installation

Caption

Scientists install buoys on an ice floe in the Central Arctic Ocean at the end of the MOSAiC leg 5 with RV Polarstern in September 2020. The buoys are working as an autonomous bio-physical observatory on sea ice and in the ocean. The observatory consisted, among other components, of an Acoustic Zooplankton and Fish Profiler (AZFP) measuring acoustic backscatter in the top 50 m of the ocean, a radiation station equipped with hyperspectral light sensors measuring irradiance at the ice underside between 350 and 920 nm25, and a CTD buoy (conductivity, temperature, depth).

Credit

Alfred Wegener Institute / Folke Mehrtens

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