2024-03-29T04:58:23Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1673022021-12-28T15:48:03Zcom_10261_34com_10261_5col_10261_287
DIGITAL.CSIC
author
Cuevas, Carlos A.
author
Maffezzoli, N.
author
Corella, Juan Pablo
author
Spolaor, A.
author
Vallelonga, P.
author
Kjær, H.A.
author
Simonsen, M.
author
Winstrup, M.
author
Vinther, B.
author
Horvat, C.
author
Fernández, Rafael P.
author
Kinnison, Douglas E.
author
Lamarque, Jean-François
author
Barbante, C.
author
Saiz-Lopez, A.
funder
European Commission
2018-07-03T08:10:34Z
2018-07-03T08:10:34Z
2018
Nature Communications 9 (2018)
http://hdl.handle.net/10261/167302
10.1038/s41467-018-03756-1
http://dx.doi.org/10.13039/501100000780
29654319
Atmospheric iodine causes tropospheric ozone depletion and aerosol formation, both of which have significant climate impacts, and is an essential dietary element for humans. However, the evolution of atmospheric iodine levels at decadal and centennial scales is unknown. Here, we report iodine concentrations in the RECAP ice-core (coastal East Greenland) to investigate how atmospheric iodine levels in the North Atlantic have evolved over the past 260 years (1750-2011), this being the longest record of atmospheric iodine in the Northern Hemisphere. The levels of iodine tripled from 1950 to 2010. Our results suggest that this increase is driven by anthropogenic ozone pollution and enhanced sub-ice phytoplankton production associated with the recent thinning of Arctic sea ice. Increasing atmospheric iodine has accelerated ozone loss and has considerably enhanced iodine transport and deposition to the Northern Hemisphere continents. Future climate and anthropogenic forcing may continue to amplify oceanic iodine emissions with potentially significant health and environmental impacts at global scale.
eng
openAccess
Rapid increase in atmospheric iodine levels in the North Atlantic since the mid-20th century
artículo
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URL
https://digital.csic.es/bitstream/10261/167302/1/s41467-018-03756-1.pdf
File
MD5
60d6af68705e3c2c36d8d53b40c5c61c
1013149
application/pdf
s41467-018-03756-1.pdf