Environment & Ecology · Ocean Geoengineering
What is the primary mechanism of iron fertilization as a proposed ocean carbon sequestration technique?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Binding dissolved CO2 into solid carbonate minerals on the seabed
- 2Adding iron nutrients to surface waters to stimulate marine phytoplankton growth and enhance biological carbon pumping✓
- 3Spraying iron microparticles into marine stratocumulus clouds to increase albedo
- 4Injecting liquid CO2 directly into the deep abyssal plain
Correct answer
Adding iron nutrients to surface waters to stimulate marine phytoplankton growth and enhance biological carbon pumping
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