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 …

Tropospheric OH and HO 2 radicals: field measurements and model comparisons

D Stone, LK Whalley, DE Heard - Chemical Society Reviews, 2012 - pubs.rsc.org
The hydroxyl radical, OH, initiates the removal of the majority of trace gases in the
atmosphere, and together with the closely coupled species, the hydroperoxy radical, HO2, is …

Tropospheric ozone and its precursors from the urban to the global scale from air quality to short-lived climate forcer

PS Monks, AT Archibald, A Colette… - Atmospheric …, 2015 - acp.copernicus.org
Ozone holds a certain fascination in atmospheric science. It is ubiquitous in the atmosphere,
central to tropospheric oxidation chemistry, yet harmful to human and ecosystem health as …

Tropospheric Ozone Assessment Report: A critical review of changes in the tropospheric ozone burden and budget from 1850 to 2100

AT Archibald, JL Neu, YF Elshorbany… - Elem Sci …, 2020 - online.ucpress.edu
Our understanding of the processes that control the burden and budget of tropospheric
ozone has changed dramatically over the last 60 years. Models are the key tools used to …

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 …

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 …

Iodine's impact on tropospheric oxidants: a global model study in GEOS-Chem

T Sherwen, MJ Evans, LJ Carpenter… - Atmospheric …, 2016 - acp.copernicus.org
We present a global simulation of tropospheric iodine chemistry within the GEOS-Chem
chemical transport model. This includes organic and inorganic iodine sources, standard gas …

Radical budget analysis in a suburban European site during the MEGAPOLI summer field campaign

V Michoud, A Kukui, M Camredon… - Atmospheric …, 2012 - acp.copernicus.org
Chemical Ionisation Mass Spectrometer measurements of hydroxyl radical (OH) and the
sum of hydroperoxy and organic peroxy (HO 2+ RO 2) radicals were conducted during the …

Reporting the sensitivity of Laser Induced Fluorescence instruments used for HO 2 detection to an interference from RO 2 radicals and introducing a novel approach …

LK Whalley, MA Blitz, M Desservettaz… - Atmospheric …, 2013 - amt.copernicus.org
Laboratory studies have revealed that alkene-derived RO 2 and longer-chain alkane-
derived RO 2 (> C 3) radicals rapidly convert to HO 2 and then to OH in the presence of NO …

Application of Satellite‐Based Detections of Arctic Bromine Explosion Events Within GEOS‐Chem

PA Wales, CA Keller, KE Knowland… - Journal of Advances …, 2023 - Wiley Online Library
During polar spring, periods of elevated tropospheric bromine drive near complete removal
of surface ozone. These events impact the tropospheric oxidative capacity and are an area …