
Windblown dust deposition provides a significant source of iron fertilization that supports one-third of the annual net community production in the Southern Ocean, with an even greater contribution during the Last Glacial Maximum.


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Nitrate observations over 11 years from autonomous biogeochemical ocean profiling combined with a Southern Hemisphere dust simulation find that iron supplied by dust supports about 30% of Southern Ocean productivity.

One-third of Southern Ocean productivity is supported by dust deposition - Nature

quantifying-the-contribution-of-windblown-dust-to-southern-ocean-productivity-and-its-significance-for-the-global-carbon-cycle


Quantifying the Contribution of Windblown Dust to Southern Ocean Productivity and Its Significance for the Global Carbon Cycle
