Gas-phase broadband spectroscopy using active sources: progress, status, and applications

KC Cossel, EM Waxman, IA Finneran… - Journal of the Optical …, 2016 - opg.optica.org
Broadband spectroscopy is an invaluable tool for measuring multiple gas-phase species
simultaneously. In this work we review basic techniques, implementations, and current …

High N2O5 Concentrations Observed in Urban Beijing: Implications of a Large Nitrate Formation Pathway

H Wang, K Lu, X Chen, Q Zhu, Q Chen… - … & Technology Letters, 2017 - ACS Publications
The heterogeneous hydrolysis of dinitrogen pentoxide (N2O5) is important to understanding
the formation of particulate nitrate (pNO3–). Measurements of N2O5 in the surface layer …

[HTML][HTML] Fast particulate nitrate formation via uptake aloft in winter in Beijing

H Wang, K Lu, X Chen, Q Zhu, Z Wu… - … Chemistry and Physics, 2018 - acp.copernicus.org
Particulate nitrate (p NO 3-) is an important component of secondary aerosols in urban
areas. Therefore, it is critical to explore its formation mechanism to assist with the planning of …

NO3 and N2O5 chemistry at a suburban site during the EXPLORE-YRD campaign in 2018

H Wang, X Chen, K Lu, R Hu, Z Li, H Wang, X Ma… - Atmospheric …, 2020 - Elsevier
During the EXPLORE-YRD campaign (EXPeriment on the eLucidation of the atmospheric
Oxidation capacity and aerosol foRmation, and their Effects in Yangtze River Delta) in May …

Emissions of volatile organic compounds (VOCs) from concentrated animal feeding operations (CAFOs): chemical compositions and separation of sources

B Yuan, MM Coggon, AR Koss… - Atmospheric …, 2017 - acp.copernicus.org
Concentrated animal feeding operations (CAFOs) emit a large number of volatile organic
compounds (VOCs) to the atmosphere. In this study, we conducted mobile laboratory …

Chemistry of volatile organic compounds in the Los Angeles basin: Nighttime removal of alkenes and determination of emission ratios

JA de Gouw, JB Gilman, SW Kim… - Journal of …, 2017 - Wiley Online Library
We reanalyze a data set of hydrocarbons in ambient air obtained by gas chromatography‐
mass spectrometry at a surface site in Pasadena in the Los Angeles basin during the NOAA …

Chemistry of volatile organic compounds in the Los Angeles Basin: Formation of oxygenated compounds and determination of emission ratios

JA De Gouw, JB Gilman, SW Kim… - Journal of …, 2018 - Wiley Online Library
We analyze an expanded data set of oxygenated volatile organic compounds (OVOCs) in air
measured by several instruments at a surface site in Pasadena near Los Angeles during the …

Oxidation of mercury by bromine in the subtropical Pacific free troposphere

LE Gratz, JL Ambrose, DA Jaffe, V Shah… - Geophysical …, 2015 - Wiley Online Library
Mercury is a global toxin that can be introduced to ecosystems through atmospheric
deposition. Mercury oxidation is thought to occur in the free troposphere by bromine …

Vertically increased NO3 radical in the nocturnal boundary layer

Y Yan, S Wang, J Zhu, Y Guo, G Tang, B Liu… - Science of the Total …, 2021 - Elsevier
In the nocturnal boundary layer, nitrate radical (NO 3) has an important contribution to
atmospheric chemistry through oxidation of nitrogen oxides and hydrocarbons. Vertical …

Overview of the Alaskan Layered Pollution and Chemical Analysis (ALPACA) Field Experiment

WR Simpson, J Mao, GJ Fochesatto, KS Law… - ACS Es&t …, 2024 - ACS Publications
The Alaskan Layered Pollution And Chemical Analysis (ALPACA) field experiment was a
collaborative study designed to improve understanding of pollution sources and chemical …