The LOHAFEX experiment of the Alfred Wegner Institute for Polar & Marine Research project is dumping 20 tonnes of ferrous sulphate (iron sulphate, FeSO4) in the Southern Ocean at a latitude of 46° south and will increase the iron level of the treated ocean area by a factor of up to 24 times “the natural iron concentration”. The target area is 20 kilometres in diameter, i.e. approximately 320 square kilometres. It could be argued that the Southern Ocean being far away from sources of...[Show more]
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