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Tristan Horner and Sune Nielsen in the NIRVANA Clean Lab.

Tristan Horner and Sune Nielsen in the NIRVANA Clean Lab.
Tristan Horner and Sune Nielsen in the NIRVANA Clean Lab.
Tristan Horner and Sune Nielsen in the NIRVANA Clean Lab.
Tristan Horner and Sune Nielsen in the NIRVANA Clean Lab.
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Doucette, Jayne H.
Tristan Horner and Sune Nielsen in the NIRVANA Clean Lab.
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01/15/2015
graphics/S_Nielsen-T_Horner/_DSC0183.jpg
Image Of the Day caption:
Many areas of the ocean are nutrient-rich, but lack iron, which fuels the growth of phytoplankton, tiny plant-like organisms that form the base of the ocean food chain and play an important role in Earth's climate. In a recent study, WHOI researchers Tristan Horner (left) and Sune Nielsenshown here working in the NIRVANA clean roomand their colleagues found that hydrothermal vents and deep-ocean sediments are a major source of dissolved iron in the central Pacific Ocean. The finding highlights the role that ocean mixing plays in determining whether deep sources of iron reach the surface-dwelling life that need it.
Photo by Jayne Doucette
© Woods Hole Oceanographic Institution
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