The gravitational settling of particles is a major biogeochemical process linking the carbon cycles and ecosystems of the upper ocean, twilight zone and deep sea. Particle interceptor or sediment traps are used to collect settling particles and provide estimates of their vertical fluxes to various depths. We used a new Technicap 24-sample time series sediment trap deployed at 350 m depth in the Amundsen Sea polynya (73o 49’ S, 113o 04’ W, 2010-12.
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