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Scientists at the Universities of York and Leeds have made a significant discovery about the cause of the destruction of ozone over oceans.
They have established that the majority of ozone-depleting iodine oxide observed over the remote ocean comes from a previously unknown marine source. The research team found that the principal source of iodine oxide can be explained by emissions of hypoiodous acid (HOI) – a gas not yet considered as being released from the ocean – along with a contribution from molecular iodine.
"Our research reveals an important negative feedback for ozone – a sort of self-destruct mechanism. The more ozone there is, the more gaseous halogens are created which destroy it. The research also has implications for the way that radionucleides of iodine in seawater, released into the ocean mainly from nuclear reprocessing facilities, can be re-emitted into the atmosphere."
radionucleides of iodine in seawater, released into the ocean mainly from nuclear reprocessing facilities, can be re-emitted into the atmosphere."
Originally posted by butcherguy
So, could the Fukushima nuclear accident be contributing to ozone depletion now?
I would think that it caused a bit of nuclear iodides. I don't know, one of my downfalls....not being a nuclear physicist.
NISA estimated that about 130 PBq of iodine-131 was released from the reactors, mostly around 15 March and the two days following - 0.16% of the total inventory. In 32 days this released iodine would have diminished to one sixteenth of original activity - 8 PBq. NISA's report to IAEA said that this 130 PBq of I-131 together with 6 PBq of caesium-137* released gave an "iodine-131 equivalent" figure of 370 PBq, which resulted in the re-rating of the accident to INES level 7. NISA in June increased this estimate to 770 PBq (I-131 eq), being 160 PBq of I-131 and 15 PBq of Cs-137. Japan's Nuclear Safety Commission (NSC, a policy body) estimated that 12 PBq of Cs-137 had been released, giving an "iodine-131 equivalent" figure of 630 PBq to 5 April, but in August lowered this estimate to 570 PBq. The 770 PBq figure is about 15% of the Chernobyl release of 5200 PBq iodine-131 equivalent. The NSC said that most radioactive material was released from the unit 2 suppression chamber during two days from its apparent rupture early on 15 March. It said that about 154 TBq/day was being released on 5 April, but that this had dropped to about 24 TBq/d over three weeks to 26 April and to about 24 GBq/d in mid July. In mid August 2011 the estimate from all three reactors together was about 5 GBq/d.
Originally posted by digital01anarchy
reply to post by happykat39
Funny I was just about to say what about the nuclear bombs they tested? Its always something small we do like drive our cars ect but they have lit off thousands of nuclear bombs and they have done nothing to the ozone yeah right.
Since the beginning of the Industrial Revolution, the pH of surface ocean waters has fallen by 0.1 pH units. Since the pH scale, like the Richter scale, is logarithmic, this change represents approximately a 30 percent increase in acidity.
Originally posted by Tardacus
I think this part is intersting
radionucleides of iodine in seawater, released into the ocean mainly from nuclear reprocessing facilities, can be re-emitted into the atmosphere."
it proves once again that you can`t hide a turd in a punch bowl. everything we poison the environment with WILL come back to haunt us eventually.