Seeding the oceans with iron is a viable way to permanently lock carbon away from the atmosphere and potentially tackle climate change, according to scientists who have studied how the process works naturally in the ocean.The study, from researchers at the University of Southampton, is published following the announcement earlier this week that scientists from the Alfred Wegener Institute in Germany were finally given the go-ahead for a controversial experiment to drop several tonnes of iron into the Southern Ocean. Some environmentalists are concerned that the long-term ecological effects of iron seeding are unknown.Ocean geo-engineering using iron as a fertiliser for microscopic creatures in the ocean is seen as a possible way to slow down global warming. Marine algae and other phytoplankton capture vast quantities of carbon dioxide from the atmosphere as they grow, but this growth is often limited by a lack of essential nutrients such as iron. Artificially...
- Ocean islands fuel productivity and carbon sequestration through natural iron fertilizationFri, 30 Jan 2009, 10:49:58 EST
- Ocean carbon: A dent in the iron hypothesisWed, 6 May 2009, 13:14:50 EDT
- Natural iron fertilization influences deep-sea ecosystems off the Crozet IslandsWed, 6 Jul 2011, 12:36:24 EDT
- Carbon acts like rustoleum around hydrothermal ventsMon, 9 Feb 2009, 16:56:47 EST
- Antarctic krill help to fertilize Southern Ocean with ironMon, 4 Jul 2011, 13:41:36 EDT
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