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by stonogo
1937 days ago
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This post is a little insane, but I think the most important delusion to address is the iron claims. For one, in the interest of making this searchable, I'll point out that the oceanographer quoted was in fact John Martin. For the rest, you can look up EIFEX, and then read the May 30, 2008 Convention on Biological Diversity summary, which placed a moratorium on commercial iron-seeding efforts, leaving research on the matter completely unaffected. The concern was that companies were being founded to sell carbon credits based on this possible sequestration mechanism, and it isn't clear what effect this would actually have on ocean biodiversity. Reputable and recent papers in this vein can be found here: https://doi.org/10.3389/fmars.2019.00022 and https://doi.org/10.5194/bg-15-5847-2018 The rest of the post is better off speaking alone. |
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> A key question concerns the amount of iron dust that would be required to induce draw down of CO2 from the atmosphere. [...] In total, this estimate concludes that ~2.8 million tons of biogenic iron oxides would be delivered over 100 days per year to the iron-limited regions of the global ocean to reach conditions where iron was not limiting primary productivity.
Many other sources are available at https://en.wikipedia.org/wiki/Iron_fertilization#References and friends, please add this one too!