Biogeochemistry: Deep ocean iron balance
Nature Geoscience 10, 162 (2017). doi:10.1038/ngeo2908
Author: William B. Homoky
Dissolved iron is mysteriously pervasive in deep ocean hydrothermal plumes. An analysis of gas, metals and particles from a 4,000 km plume transect suggests that dissolved iron is maintained by rapid and reversible exchanges with sinking particles.