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Trace ion analysis for a suite of chemistry species (including chloride, sodium, sulphate, nitrate and methanesulphonic acid) has been performed on the deep Dome Summit South … (DSS) ice core from Law Dome, East Antarctica covering the period 9000 years before … present.
The Antarctic ice sheet holds a wealth of information on past climate variability, locked away in successive layers buried by further snowfall. In the coastal regions of Antarctica, snowfall rates can be high enough to hold layers of climate data on monthly, or better, time resolution.
The abundance of small faecal pellets is high in marine waters. Little is known, however, about the processes governing their production and fate in the water column. We investigated faecal pellet production and flux in relation to the phytoplankton and copepod assemblages present in Ellis Fjord…