Tropospheric halogen chemistry: Sources, cycling, and impacts

WR Simpson, SS Brown, A Saiz-Lopez… - Chemical …, 2015 - ACS Publications
In the past 40 years, atmospheric chemists have come to realize that halogens exert a
powerful influence on the chemical composition of the troposphere and through that …

Reactive halogen chemistry in the troposphere

A Saiz-Lopez, R von Glasow - Chemical Society Reviews, 2012 - pubs.rsc.org
Halogen chemistry is well known for ozone destruction in the stratosphere, however reactive
halogens also play an important role in the chemistry of the troposphere. In the last two …

Global atmospheric model for mercury including oxidation by bromine atoms

CD Holmes, DJ Jacob, ES Corbitt, J Mao… - Atmospheric …, 2010 - acp.copernicus.org
Global models of atmospheric mercury generally assume that gas-phase OH and ozone are
the main oxidants converting Hg 0 to Hg II and thus driving mercury deposition to …

Tropospheric bromine chemistry: implications for present and pre-industrial ozone and mercury

JP Parrella, DJ Jacob, Q Liang, Y Zhang… - Atmospheric …, 2012 - acp.copernicus.org
We present a new model for the global tropospheric chemistry of inorganic bromine (Br y)
coupled to oxidant-aerosol chemistry in the GEOS-Chem chemical transport model (CTM) …

Halogen activation via interactions with environmental ice and snow in the polar lower troposphere and other regions

JPD Abbatt, JL Thomas, K Abrahamsson… - Atmospheric …, 2012 - acp.copernicus.org
The role of ice in the formation of chemically active halogens in the environment requires a
full understanding because of its role in atmospheric chemistry, including controlling the …

Modeling the observed tropospheric BrO background: Importance of multiphase chemistry and implications for ozone, OH, and mercury

JA Schmidt, DJ Jacob, HM Horowitz… - Journal of …, 2016 - Wiley Online Library
Aircraft and satellite observations indicate the presence of ppt (ppt≡ pmol/mol) levels of BrO
in the free troposphere with important implications for the tropospheric budgets of ozone …

Direct detection of atmospheric atomic bromine leading to mercury and ozone depletion

S Wang, SM McNamara, CW Moore, D Obrist… - Proceedings of the …, 2019 - pnas.org
Bromine atoms play a central role in atmospheric reactive halogen chemistry, depleting
ozone and elemental mercury, thereby enhancing deposition of toxic mercury, particularly in …