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Jim Moffett (top) and another man recovering a large Niskin bottle.

Jim Moffett (top) and another man recovering a large Niskin bottle.
Jim Moffett (top) and another man recovering a large Niskin bottle.
Jim Moffett (top) and another man recovering a large Niskin bottle.
Jim Moffett (top) and another man recovering a large Niskin bottle.
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525536
Goepfert, Tyler
Jim Moffett (top) and another man recovering a large Niskin bottle.
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09/06/2004
moffett2.jpg
Caption from Oceanus magazine, Vol. 44, No. 1, Pg. 14:
Tracing trace metals.
Arabian Sea— WHOI marine chemists Jim Moffett and Tyler Goepfert joined a research cruise in the Arabian Sea last fall aboard the Indian research vessel Sagar Kanya to measure trace levels of iron and copper in the ocean. Copper catalyzes chemical reactions used by marine microbes to live and grow. These reactions break down nitrates in the ocean and release nitrous oxide, a greenhouse gas, into the air. The expedition provided evidence that copper can play a key role in limiting both marine life growth and global warming.
Photo by Tyler Goepfert
Copyright © Woods Hole Oceanographic Institution
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