Communications Earth & Environment (Mar 2023)

Stratospheric ozone depletion in the Antarctic region triggers intense changes in sea salt aerosol geochemistry

  • Sérgio J. Gonçalves Jr,
  • Heitor Evangelista,
  • Johannes Weis,
  • Tristan H. Harder,
  • Swarup China,
  • Simon Müller,
  • Magdalena M. Marques,
  • Newton de Magalhães Neto,
  • Heber R. Passos,
  • Marcelo Sampaio,
  • Jefferson C. Simões,
  • Bruno Vinícius Ximenes de Oliveira,
  • Carlos I. Yamamoto,
  • Alexander Laskin,
  • Mary K. Gilles,
  • Ricardo H. M. Godoi

DOI
https://doi.org/10.1038/s43247-023-00739-z
Journal volume & issue
Vol. 4, no. 1
pp. 1 – 11

Abstract

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Molecular analysis of atmospheric microparticles in West Antarctica reveals chlorine-enriched aerosols are abundant in sea salt generated by photolytic products, while ice core records suggest increasing chlorine depletion since the onset of stratospheric ozone reduction.