 Subjects -> GEOGRAPHY (Total: 493 journals)
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- Molecular and physical composition of tar balls in wildfire smoke: an
investigation with complementary ionisation methods and 15-Tesla FT-ICR
mass spectrometry
Abstract:  Environ. Sci.: Atmos., 2023, Advance Article
DOI : 10.1039/D3EA00085K, Paper Open Access  This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Amna Ijaz, William Kew, Zezhen Cheng, Susan Mathai, Nurun Nahar Lata, Libor Kovarik, Simeon Schum, Swarup China, Lynn R. Mazzoleni
Laser desorption ionisation, coupled with ultrahigh-resolution mass spectrometry, provides an apt reflection of the physical properties of tar balls in wildfire smoke.
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- A national crowdsourced network of low-cost fine particulate matter and
aerosol optical depth monitors: Results from the 2021 wildfire season in
the United States
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00086A, Paper Open Access  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Eric Wendt, Bonne Ford, Michael Cheeseman, Zoey Rosen, Jeffrey R. Pierce, Shantanu Jathar, Christian L'Orange, Casey Quinn, Marilee Long, John Mehaffy, Daniel Miller-Lionberg, David Hagan, John Volckens
Fine particulate matter (PM2.5) is a leading contributor to premature death, disease, and environmental degradation globally. Wildfire smoke is a primary source of air pollution in the United States. However,...
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- VOC Emissions by Fresh and Old Asphalt Pavements at Service Temperatures:
Impacts on Urban Air Quality
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00034F, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Jérôme Lasne, Anaïs Lostier, Manolis N. Romanias, Sabine Vassaux, Didier Lesueur, Vincent Gaudion, Marina Jamar, R. G. Derwent, Sébastien Dusanter, Therese Salameh
Outdoor air pollution is a major cause of chronic illness and of mortality, with an estimated 4.5 million deaths every year. Its effects are amplified in urban areas where the...
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- The driving effects of common atmospheric molecules for formation of
clusters: the case of sulfuric acid, formic acid, hydrochloric acid,
ammonia, and dimethylamine
Abstract:  Environ. Sci.: Atmos., 2023, 3,1335-1351
DOI : 10.1039/D3EA00087G, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Olivia M. Longsworth, Conor J. Bready, George C. Shields
One of the main sources of uncertainty for understanding global warming is understanding the formation of larger secondary aerosols.
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- Characterization and dark oxidation of the emissions of a pellet stove
Abstract:  Environ. Sci.: Atmos., 2023, 3,1319-1334
DOI : 10.1039/D3EA00070B, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Kalliopi Florou, John K. Kodros, Marco Paglione, Spiro Jorga, Stefania Squizzato, Mauro Masiol, Petro Uruci, Athanasios Nenes, Spyros N. Pandis
Pellet combustion in residential heating stoves has increased globally during the last decade. In this study, environmental simulation chamber experiments were performed to characterize the fresh and aged organic aerosol emitted by a pellet stove.
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- Evaluating reduced-form modeling tools for simulating ozone and PM2.5
monetized health impacts
Abstract:  Environ. Sci.: Atmos., 2023, 3,1306-1318
DOI : 10.1039/D3EA00092C, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Heather Simon, Kirk R. Baker, Jennifer Sellers, Meredith Amend, Stefani L. Penn, Joshua Bankert, Elizabeth A. W. Chan, Neal Fann, Carey Jang, Gobeail McKinley, Margaret Zawacki, Henry Roman
Reduced-form modeling approaches are an increasingly popular way to rapidly estimate air quality and human health impacts related to changes in air pollutant emissions.
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- Assessment of aldehyde contributions to PTR-MS m/z 69.07 in indoor air
measurements
Abstract:  Environ. Sci.: Atmos., 2023, 3,1286-1295
DOI : 10.1039/D3EA00055A, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Lisa Ernle, Nijing Wang, Gabriel Bekö, Glenn Morrison, Pawel Wargocki, Charles J. Weschler, Jonathan Williams
PTR m/z 69.07 commonly attributed to isoprene suffers interference from C5–C10 aldehydes indoors, especially when ozone is present. The contribution of nonanal could be quantified by using the protonated molecular ion, unlike the other aldehydes.
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- Photolytic aging of organic aerosol from pyrolyzed urban materials
Abstract:  Environ. Sci.: Atmos., 2023, 3,1272-1285
DOI : 10.1039/D3EA00078H, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Katherine S. Hopstock, Alexandra L. Klodt, Qiaorong Xie, Michael A. Alvarado, Alexander Laskin, Sergey A. Nizkorodov
Emissions from large-scale fires significantly contribute to the atmospheric burden of primary organic aerosol (OA).
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- Theoretical study on the aqueous phase oxidation of glyoxal
Abstract:  Environ. Sci.: Atmos., 2023, 3,1296-1305
DOI : 10.1039/D3EA00049D, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Bo Wei, Ruifeng Zhang, Patrick H.-L. Sit, Maoxia He, Chak K. Chan
Formic acid production is favorable in aqueous-phase oxidation of glyoxal in the presence of OH and NO2.
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- Brown carbon absorptivity in fresh wildfire smoke: associations with
volatility and chemical compound groups
Abstract:  Environ. Sci.: Atmos., 2023, 3,1262-1271
DOI : 10.1039/D3EA00067B, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Nishit Shetty, Pai Liu, Yutong Liang, Benjamin Sumlin, Conner Daube, Scott Herndon, Allen H. Goldstein, Rajan K. Chakrabarty
Brown carbon light absorptivity is associated with organic aerosol volatility and elemental carbon concentrations.
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- The Driving Effects of Common Atmospheric Molecules for Formation of
Clusters: The Case of Sulfuric Acid, Nitric Acid, Hydrochloric Acid,
Ammonia, and Dimethylamine
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00118K, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Olivia M Longsworth, Conor J Bready, Macie S Joines, George C Shields
Understanding how secondary aerosols form in the atmosphere is one of the main uncertainties for a better understanding of global warming. Secondary aerosols form from gas-phase molecules that combine to...
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- Assessing formic and acetic acid emissions and chemistry in western U.S.
wildfire smoke: implications for atmospheric modeling
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00098B, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Wade Permar, Catherine Wielgasz, Lixu Jin, Xin Chen, Matthew Coggon, Lauren A Garofalo, Georgios Gkatzelis, Damien Ketcherside, Dylan B. Millet, Brett B. Palm, Qiaoyun Peng, Michael A. Robinson, Joel A. Thornton, Patrick R. Veres, Carsten Warneke, Robert J Yokelson, Emily V. Fischer, Lu Hu
Formic acid (FA) and acetic acid (AA), two of the most abundant organic acids in the atmosphere, are typically underestimated by atmospheric models. Here we investigate their emissions, chemistry, and...
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- Atmospheric oxidation impacts on on sea spray sroduced ice nucleating
particles
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00060E, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Paul DeMott, Thomas C. J. Hill, Kathryn A Moore, Russell J. Perkins, Liora Mael, Heidi L. Busse, Hansol D Lee, Chathuri P Kaluarachchi, Kathryn Jeanette Mayer, Jonathan Scott Sauer, Brock A Mitts, Alexei V Tivanski, Vicki Grassian, Christopher Cappa, Timothy Bertram, Kimberley A Prather
The ocean provides a nearly continuous source of certain primary particles emitted as sea spray from bubble bursting that are active as ice nucleating particles. They can impact ice formation,...
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- MEA Decay Mediated by Photolysis of Nitrate in Atmospheric Particles: A
Brown Carbon and Organic Phase Formation Pathway
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00072A, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.XIAOMENG TIAN, Ruifeng ZHANG, Bo WEI, Yalin WANG, Yongjie Li, Chak Keung Chan
The massive release of monoethanolamine (MEA) into the atmosphere from power industries highlights MEA as a potential environmental risk. Nitrate (NO3-) is one of the most abundant inorganic compounds and...
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- Spectroscopy of Cluster Aerosol Models: IR and UV Spectra of Hydrated
Glyoxylate with and without Sea Salt
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00039G, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Nina K. Bersenkowitsch, Sarah Madlener, Jakob Heller, Christian van der Linde, Milan Ončák, Martin K. Beyer
Glyoxylic acid is formed in the troposphere by oxidation of organic molecules. In sea salt aerosols, it is expected to be present as glyoxylate, integrated into the salt environment and...
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- Organophosphate flame retardants (OPFRs) in atmospheric particulate matter
at different Brazilian regions
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00079F, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Priscila Boleta Gonçalves, Joyce Cristale, Amanda Araújo da Silva, Danilo Covaes Nogarotto, Daniela Montanari Migliavacca Osório, LINCOLN LUCILIO Lucílio LUCILIO ROMUALDO, Simone Andrea Pozza
Organophosphate Flame Retardants (OPFRs) have been widely used as plasticizers. Current studies have shown that these compounds may constitute atmospheric particulate matter (PM), but no research has focused on detecting...
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- Investigation of HO2 uptake onto Cu(II)- and Fe(II)-doped aqueous
inorganic aerosols and seawater aerosols using laser spectroscopic
techniques
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00093A, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Jiaru Li, Yosuke Sakamoto, Kei Sato, Yu Morino, Yoshizumi Kajii
Heterogeneous HO2 uptake onto aerosols, which affects tropospheric chemistry, is known as a potential sink of HOx (≡OH+HO2+RO2); however, the associated reaction kinetics are still unclear. Also, the measurement of...
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- Source apportionment of oxidative potential depends on the choice of the
assay: insights into 5 protocols comparison and implications for
mitigation measures
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00007A, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Pamela Dominutti, Lucille Joanna Borlaza, Jean-Jacques Sauvain, Vy Dinh Ngoc Thuy, Stephan Houdier, Guillaume Suarez, Jean-Luc Jaffrezo, Sean Tobin, Cécile Trébuchon, Stéphane Socquet, Emmanuel Moussu, Gladys Mary, Gaëlle Uzu
The oxidative potential (OP) of particulate matter (PM) has recently been considered as a viable health-based metric of PM exposure. Several acellular assays have been developed to assess OP, but...
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- OH and Cl radicals initiated oxidation of Amyl Acetate under atmospheric
conditions: Kinetics, products and mechanisms
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00082F, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Vianni C Straccia C, María Belén Blanco, Mariano Andres Teruel
The relative rate coefficient of the gas-phase reaction of amyl acetate, CH₃COO(CH₂)₄CH₃ with OH radicals and Cl atoms were determined at (298 ±2) K and 1000 mbar of pressure. The...
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- Aircraft measurements of single particle size and composition reveal
aerosol size and mixing state dictate their activation into cloud droplets
Abstract:  Environ. Sci.: Atmos., 2023, Advance Article
DOI : 10.1039/D3EA00052D, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.G. Saliba, D. M. Bell, K. J. Suski, J. D. Fast, D. Imre, G. Kulkarni, F. Mei, J. H. Mülmenstädt, M. Pekour, J. E. Shilling, J. Tomlinson, A. C. Varble, J. Wang, J. A. Thornton, A. Zelenyuk
Activated cloud droplet fraction versus the below-cloud aerosol hygroscopicity for spring and summer campaigns.
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- Physical properties of short chain aqueous organosulfate aerosol
Abstract:  Environ. Sci.: Atmos., 2023, Advance Article
DOI : 10.1039/D3EA00088E, Paper Open Access This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Alison Bain, Man Nin Chan, Bryan R. Bzdek
Most physical properties of short chain organosulfate aerosol cannot be approximated by salts or similar sized organics.
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- Case study evaluation of size-resolved molecular composition and phase
state of carbonaceous particles in wildfire influenced smoke from the
Pacific Northwest
Abstract: Environ. Sci.: Atmos., 2023, Accepted Manuscript
DOI : 10.1039/D3EA00058C, Paper Open Access This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Gregory W. Vandergrift, Nurun Nahar Lata, Susan Mathai, Amna Ijaz , Zezhen Cheng, Manishkumar Shrivastava, Jie Zhang, Abu Sayeed Md Shawon , Gourihar Kulkarni, Lynn Mazzoleni, William R Kew, Swarup China
Wildfires are significant sources of carbonaceous particles in the atmosphere. Given the dependence of atmospheric processes on particle physical and molecular properties, the interplay between particle size, phase state and...
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