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Natural halogen emissions to the atmosphere; sources, flux, and environmental impact

Anita Cadoux, Susann Tegtmeier and Alessandro Aiuppa
Natural halogen emissions to the atmosphere; sources, flux, and environmental impact
Elements (February 2022) 18 (1): 27-33

Abstract

Understanding the atmospheric geochemical cycle of both natural and anthropogenic halogens is important because of the detrimental effect halogens have on the environment, notably on tropospheric and stratospheric ozone. Oceans are the primary natural source for atmospheric Cl, F, Br, and I, but anthropogenic emissions are still important, especially for Cl. While emissions of human-made halocarbons (e.g., chlorofluorocarbons or CFCs) are expected to continue to decrease allowing progressive stratospheric ozone recovery, volcanic activity (e.g., clusters of mid-scale explosive eruptions or large-scale explosive eruptions) might disturb this recovery over the next decades. This review provides a synthesis of natural halogen fluxes from oceanic, terrestrial, and volcanic sources, and discusses the role of natural halogen species on atmosphere chemistry and their environmental impact.


ISSN: 1811-5209
EISSN: 1811-5217
Serial Title: Elements
Serial Volume: 18
Serial Issue: 1
Title: Natural halogen emissions to the atmosphere; sources, flux, and environmental impact
Affiliation: Universite Paris-Saclay, Geosciences Paris Sacaly, Orsay, France
Pages: 27-33
Published: 202202
Text Language: English
Publisher: Mineralogical Society of America and Mineralogical Society of Great Britain and Ireland and Mineralogical Association of Canada and Geochemical Society and Clay Minerals Society, International
References: 31
Accession Number: 2022-065402
Categories: General geochemistryEnvironmental geology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus.
Secondary Affiliation: University of Sasketchewan, Institute of Space and Atmospheric Studies, CAN, CanadaUniversita di Palermo, Dipartimento DiSTeM, ITA, Italy
Country of Publication: International
Secondary Affiliation: GeoRef, Copyright 2022, American Geosciences Institute. Abstract, copyright, Mineralogical Society of America. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 2022
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