Journal club

June 20, 2024 - Amanda M - Rauber et al. "An optimised organic carbon ∕ elemental carbon (OC ∕ EC) fraction separation method for radiocarbon source apportionment applied to low-loaded Arctic aerosol filters" Atmos. Meas. Tech. 16, 825-844 (2023), doi: 10.5194/amt-16-825-2023.

June 13, 2024 - Kay - Harrison, M. A. J., J. N. Cape, and M. R. Heal "Experimentally determined Henry's Law coefficients of phenol, 2-methylphenol and 2-nitrophenol in the temperature range 281-302 K" Atmos. Environm. 36(11), 1843-1851 (2002), doi:10.1016/s1352-2310(02)00137-1.

June 6, 2024 - Shanu - Lin et al. "A three-channel thermal dissociation cavity ring-down spectrometer for simultaneous measurement of ambient total peroxy nitrates, total alkyl nitrates, and NO2" Talanta 270, 125524 (2024), doi: 10.1016/j.talanta.2023.125524.

May 30, 2024 - Amanda G - Pollack et al. "Observations of ozone, acyl peroxy nitrates, and their precursors during summer 2019 at Carlsbad Caverns National Park, New Mexico" J. Air Waste Manag. Assoc. 73, 951-968 (2023), doi: 10.1080/10962247.2023.2271436.

May 23, 2024 - Kevin - Edwards et al. "Effects of Nitrogen Oxides on the Production of Reactive Oxygen Species and Environmentally Persistent Free Radicals from α-Pinene and Naphthalene Secondary Organic Aerosols" J. Phys. Chem. A 126, 7361-7372 (2022), doi: 10.1021/acs.jpca.2c05532.

May 16, 2024 - Joey - Kim et al. "The Comparisons of Real-time Ammonia Adsorption Measurement in Varying Inlet Tubes and the Different Ammonia Measurement Methods in the Atmosphere" Asian J. Atmos. Environ. 15, 2021139 (2021), doi: 10.5572/ajae.2021.139.

May 9, 2024 - Hans - Ohara et al. "Improved continuous measurement system for atmospheric total peroxy and total organic nitrate under the high NOx condition" Rev. Sci. Instrum. 95, 045101 (2024), doi: 10.1063/5.0172219.

May 2, 2024 - Amanda M - Yang and Fleming "Estimation of atmospheric total organic carbon (TOC) – paving the path towards carbon budget closure" Atmos. Chem. Phys. 19, 459-471 (2019), doi: 10.5194/acp-19-459-2019.

April 25, 2024 - Shanu - Finkenzeller, H., and Volkamer, R. "O2–O2 CIA in the gas phase: Cross-section of weak bands, and continuum absorption between 297–500 nm, J. Quant. Spectrosc. Radiat. Transfer 279, 108063 (2022), doi: 10.1016/j.jqsrt.2021.108063.

April 18, 2024 - Anais and Erika - Chem 502 final presentation practice talk.

April 11, 2024 - cancelled.

April 4, 2024 - Amanda G - Caravan et al. "Observational evidence for Criegee intermediate oligomerization reactions relevant to aerosol formation in the troposphere", Nat. Geosci. 17, 219-226 (2024), doi: 10.1038/s41561-023-01361-6

Mar 28, 2024 - cancelled

Mar 21, 2024 - Joey - Alberdi et al. "Ammonia and greenhouse gas emissions from an enriched cage laying hen facility" Biosystems Engineering 144, 1-12 (2016), doi: 10.1016/j.biosystemseng.2016.01.009.

Mar 14, 2024 - Hans - Li et al. "Revisiting the Ultraviolet Absorption Cross Section of Gaseous Nitrous Acid (HONO): New Insights for Atmospheric HONO Budget" Environ. Sci. Technol. 58(9), 4247-4256 (2024), doi: 10.1021/acs.est.3c08339.

Mar 7, 2024 - Shanu - Landis and Edgerton "Field intercomparison of continuous ambient FRM and FEM NO2 instruments in the Athabasca Oil Sands Region, Alberta, Canada and the potential impact on ambient regulatory compliance." Journal of the Air & Waste Management Association 74(1), 11-24 (2024), doi: 10.1080/10962247.2023.2279169.

Feb 29, 2024 - Joey - He et al. "Total organic carbon measurements reveal major gaps in petrochemical emissions reporting" Science 383(6681), 426-432 (2024), doi: 10.1126/science.adj6233.

Feb 22, 2024 - Reading week - no meeting

Feb 15, 2024 - Amanda - Färber et al. "Impact of temperature-dependent non-PAN peroxynitrate formation, RO2NO2, on nighttime atmospheric chemistry." Physical Chemistry Chemical Physics 26, 5183-5194 (2024), doi: 10.1039/d3cp04163h.

Feb 8, 2024 - Hans - AGU debrief

Feb 1, 2024 - Shanu - Zhang et al., Concentrations and source changes of HONO during Covid-19 lockdown in Beijing, EGU Sphere, https://doi.org/10.5194/egusphere-2023-3139

Jan 25, 2024 - Amanda - AGU debrief

Jan 18, 2024 - Joey III - see Nov 28, 2023

Dec 5, 2023 - Anais or Erika - TBA

Nov 28, 2023 - Joey - Applying the analysis presented by Liang et al. "Ammonia emissions from U.S. laying hen houses in Iowa and Pennsylvania" Transactions of the ASAE 48(5), 1927-1941 (2005), doi: 10.13031/2013.20002 to my own data.

Nov 21, 2023 - Shanu - Liu et al. "Resolving the Formation Mechanism of HONO via Ammonia-Promoted Photosensitized Conversion of Monomeric NO2 on Urban Glass Surfaces" J. Am. Chem. Soc. 145(21), 11488-11493 (2023), doi: 10.1021/jacs.3c02067.

Nov 7, 2023 - Joey - cancelled.

Oct 31, 2023 - Amanda - Zang et al. "Direct probing of acylperoxy radicals during ozonolysis of α-pinene: constraints on radical chemistry and production of highly oxygenated organic molecules" Atmos. Chem. Phys. 23(19), 12691-12705 (2023), doi: 10.5194/acp-23-12691-2023.

Oct 24, 2023 - Hans - Ricker et al. "Reduction and Photoreduction of NO2 in Humic Acid Films as a Source of HONO, ClNO, N2O, NOX, and Organic Nitrogen" ACS Earth and Space Chemistry 6, 3066-3077 (2022), doi: 10.1021/acsearthspacechem.2c00282.

Oct 10, 2023 - Shanu - Ge et al. "Seasonality of nitrous acid near an industry zone in the Yangtze River Delta region of China: Formation mechanisms and contribution to the atmospheric oxidation capacity" Atmos. Environm. 251, 118420 (2021), doi: 10.1016/j.atmosenv.2021.118420.

Oct 3, 2023 - Joey - Liang et al. "Ammonia emissions from U.S. laying hen houses in Iowa and Pennsylvania" Transactions of the ASAE 48(5), 1927-1941 (2005), doi: 10.13031/2013.20002

Sept 26, 2023 - Amanda - Zhang et al. "A quantification method for peroxyacetyl nitrate (PAN) using gas chromatography (GC) with a non-radioactive pulsed discharge detector (PDD)" Atmos. Environm. 179, 23-30 (2018), doi: 10.1016/j.atmosenv.2018.02.008

Sept 19, 2023 - Hans - Results from the FOOBAR campaign

Aug 29, 2023 (Tu) Shanu - Is the ocean surface a source of nitrous acid (HONO) in the marine boundary layer?
https://acp.copernicus.org/articles/21/18213/2021/

Aug 17, 2023 (R) Joey 08:30 AM - Improvement of online monitoring technology based on the Berthelot reaction and long path absorption photometer for the measurement of ambient NH3
https://amt.copernicus.org/preprints/amt-2023-33/

Aug 14, 2023 (Mo) Amanda - Photolysis of Gas-Phase Atmospherically Relevant Monoterpene-Derived Organic Nitrates
https://pubs.acs.org/doi/10.1021/acs.jpca.2c04307

Aug 10, 2023 (R) Hans - Pandemic restrictions in 2020 highlight the significance of non-road NOx sources in central London
https://acp.copernicus.org/articles/23/2315/2023/

July 31, 2023 (Mo) Kevin - A flow-through passive sampler for microplastics in air
https://pubs.acs.org/doi/10.1021/acs.est.2c07016

July 24, 2023 (Mo) Shanu - HONO Measurement by Catalytic Conversion to NO on Nafion Surfaces
https://pubs-acs-org.ezproxy.lib.ucalgary.ca/doi/full/10.1021/acs.est.2c05944

July 18, 2023 (Tu) Amanda - Measurements of Hydroxyl Radical Concentrations during Indoor Cooking Events: Evidence of an Unmeasured Photolytic Source of Radicals
https://pubs-acs-org.ezproxy.lib.ucalgary.ca/doi/full/10.1021/acs.est.2c05756

July 4, 2023 (Tu) Joey - Emission factors of NH3 and NHx for wildfires and agricultural fires in the United States
https://acp.copernicus.org/articles/23/2331/2023/

June 27, 2023 (Tu) Hans - Roadside NO2/NOx and primary NO2 from individual vehicles
https://doi.org/10.1016/j.atmosenv.2022.119562

June 20, 2023 (Tu) Kevin - Influence of Wildfire on Urban Ozone: An Observationally Constrained Box Modeling Study at a Site in the Colorado Front Range
https://pubs.acs.org/doi/10.1021/acs.est.2c06157

June 15, 2023 (R) Shanu - Improving the representation of HONO chemistry in CMAQ and examining its impact on haze over China
https://acp.copernicus.org/articles/21/15809/2021/

May 31, 2023 (Wd) - Amanda - Furoyl peroxynitrate (fur-PAN), a product of VOC–NOx photochemistry from biomass burning emissions: photochemical synthesis, calibration, chemical characterization, and first atmospheric observations
https://doi.org/10.1039/D2EA00068G

May 24, 2023 (Wd) Joey - Chronic Exposure to PM2.5, Nitrate, Sulfate, and Ammonium Causes Respiratory System Impairments in mice https://pubs.acs.org/doi/10.1021/acs.est.0c05814