Volatile chemical products emerging as largest petrochemical source of urban organic emissions

BC McDonald, JA De Gouw, JB Gilman, SH Jathar… - Science, 2018 - science.org
A gap in emission inventories of urban volatile organic compound (VOC) sources, which
contribute to regional ozone and aerosol burdens, has increased as transportation …

Towards a quantitative understanding of total OH reactivity: A review

Y Yang, M Shao, X Wang, AC Nölscher, S Kessel… - Atmospheric …, 2016 - Elsevier
Over the past fifty years, considerable efforts have been devoted to measuring the
concentration and chemical speciation of volatile organic compounds (VOCs) in ambient air …

[HTML][HTML] Measurement report: Important contributions of oxygenated compounds to emissions and chemistry of volatile organic compounds in urban air

C Wu, C Wang, S Wang, W Wang… - Atmospheric …, 2020 - acp.copernicus.org
Volatile organic compounds (VOCs) play important roles in the tropospheric atmosphere. In
this study, VOCs were measured at an urban site in Guangzhou, one of the megacities in the …

Source characterization of volatile organic compounds in the Colorado Northern Front Range Metropolitan Area during spring and summer 2015

A Abeleira, IB Pollack, B Sive, Y Zhou… - Journal of …, 2017 - Wiley Online Library
Hourly measurements of 46 volatile organic compounds (VOCs) from the Boulder
Atmospheric Observatory in Erie, CO, were collected over 16 weeks in spring and summer …

Measurements of hydroxyl and hydroperoxy radicals during CalNex‐LA: Model comparisons and radical budgets

SM Griffith, RF Hansen, S Dusanter… - Journal of …, 2016 - Wiley Online Library
Measurements of hydroxyl (OH) and hydroperoxy (HO2*) radical concentrations were made
at the Pasadena ground site during the CalNex‐LA 2010 campaign using the laser‐induced …

[HTML][HTML] Constraining remote oxidation capacity with ATom observations

KR Travis, CL Heald, HM Allen, EC Apel… - Atmospheric …, 2020 - acp.copernicus.org
The global oxidation capacity, defined as the tropospheric mean concentration of the
hydroxyl radical (OH), controls the lifetime of reactive trace gases in the atmosphere such as …

Unexpected seasonality in quantity and composition of Amazon rainforest air reactivity

AC Nölscher, AM Yáñez-Serrano, S Wolff… - Nature …, 2016 - nature.com
The hydroxyl radical (OH) removes most atmospheric pollutants from air. The loss frequency
of OH radicals due to the combined effect of all gas-phase OH reactive species is a …

Comparison of OH reactivity measurements in the atmospheric simulation chamber SAPHIR

H Fuchs, A Novelli, M Rolletter… - Atmospheric …, 2017 - amt.copernicus.org
Hydroxyl (OH) radical reactivity (k OH) has been measured for 18 years with different
measurement techniques. In order to compare the performances of instruments deployed in …

Speciation of OH reactivity above the canopy of an isoprene-dominated forest

J Kaiser, KM Skog, K Baumann… - Atmospheric …, 2016 - acp.copernicus.org
Measurements of OH reactivity, the inverse lifetime of the OH radical, can provide a top–
down estimate of the total amount of reactive carbon in an air mass. Using a comprehensive …

OH, HO, and RO radical chemistry in a rural forest environment: measurements, model comparisons, and evidence of a missing radical sink

B Bottorff, MM Lew, Y Woo, P Rickly… - Atmospheric …, 2023 - acp.copernicus.org
Abstract The hydroxyl (OH), hydroperoxy (HO 2), and organic peroxy (RO 2) radicals play
important roles in atmospheric chemistry. In the presence of nitrogen oxides (NO x) …