Search Results

• • 18 

    Academic Journals

  • Sort by: sorttype.publication.date.desc Newest sorttype.publication.date.asc Oldest sorttype.relevance Relevance

• Seasonality of the particle number concentration and size distribution: a global analysis retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories.

  Authors:Clémence Rose, Martine Collaud Coen, Elisabeth Andrews, Yong Lin, Isaline Bossert, Cathrine Lund Myhre, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 22) Peer-Reviewed

  Nov. 25, 2021594 words Article Aerosol particles are a complex component of the atmospheric system which influence climate directly by interacting with solar radiation, and indirectly by contributing to cloud formation. The variety of their sources,...

• Response of atmospheric composition to COVID-19 lockdown measures during spring in the Paris region (France).

  Authors:Jean-Eudes Petit, Jean-Charles Dupont, Olivier Favez, Valérie Gros, Yunjiang Zhang, Jean Sciare, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 22) Peer-Reviewed

  Nov. 25, 2021350 words Brief article Since early 2020, the COVID-19 pandemic has led to lockdowns at national scales. These lockdowns resulted in large cuts of atmospheric pollutant emissions, notably related to the vehicular traffic source, especially...

• Diurnal evolution of total column and surface atmospheric ammonia in the megacity of Paris, France, during an intense springtime pollution episode.

  Authors:Rebecca D. Kutzner, Juan Cuesta, Pascale Chelin, Jean-Eudes Petit, Mokhtar Ray, Xavier Landsheere, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 15) Peer-Reviewed

  Aug. 12, 2021537 words Article Ammonia (NH.sub.3) is a key precursor for the formation of atmospheric secondary inorganic particles, such as ammonium nitrate and sulfate. Although the chemical processes associated with the gas-to-particle conversion...

• Meteorology-driven variability of air pollution (PM.sub.1) revealed with explainable machine learning.

  Authors:Roland Stirnberg, Jan Cermak, Simone Kotthaus, Martial Haeffelin, Hendrik Andersen, Julia Fuchs, et al.From:Atmospheric Chemistry and Physics (Vol. 21, Issue 5) Peer-Reviewed

  Mar. 17, 2021432 words Article Air pollution, in particular high concentrations of particulate matter smaller than 1 µm in diameter (PM.sub.1 ), continues to be a major health problem, and meteorology is known to substantially influence atmospheric...

• Large-scale particulate air pollution and chemical fingerprint of volcanic sulfate aerosols from the 2014-2015 Holuhraun flood lava eruption of Bárðarbunga volcano (Iceland).

  Authors:Marie Boichu, Olivier Favez, Véronique Riffault, Jean-Eudes Petit, Yunjiang Zhang, Colette Brogniez, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 22) Peer-Reviewed

  Nov. 27, 2019581 words Article Volcanic sulfate aerosols play a key role in air quality and climate. However, the rate of oxidation of sulfur dioxide (SO.sub.2) precursor gas to sulfate aerosols (SO42-) in volcanic plumes is poorly known, especially...

• A European aerosol phenomenology - 6: scattering properties of atmospheric aerosol particles from 28 ACTRIS sites

  Authors:Marco Pandolfi, Lucas Alados-Arboledas, Andres Alastuey, Marcos Andrade, Christo Angelov, Begona Artinano, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 11) Peer-Reviewed

  June 5, 2018408 words Author abstract, Bri...

  This paper presents the light-scattering properties of atmospheric aerosol particles measured over the past decade at 28 ACTRIS observatories, which are located mainly in Europe. The data include particle light...

• Assessing the ammonium nitrate formation regime in the Paris megacity and its representation in the CHIMERE model

  Authors:Herv&#xE9 Petetin, Jean Sciare, Michael Bressi, Amandine Rosso, Olivier Sanchez, Jean-Eudes Petit, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 16) Peer-Reviewed

  Aug. 18, 2016294 words Brief article Secondary inorganic compounds represent a major fraction of fine aerosol in the Paris megacity. The thermodynamics behind their formation is now relatively well constrained but, due to sparse direct measurements of...

• Organic carbon at a remote site of the western Mediterranean Basin: sources and chemistry during the ChArMEx SOP2 field experiment

  Authors:Vincent Michoud, Jean Sciare, Cerise Kalogridis, Nora Zannoni, Jean-Eudes Petit, Vincent Crenn, et al.From:Atmospheric Chemistry and Physics (Vol. 17, Issue 14) Peer-Reviewed

  July 21, 2017475 words Brief article, Repor... The ChArMEx (Chemistry and Aerosols Mediterranean Experiments) SOP2 (special observation period 2) field campaign took place from 15 July to 5 August 2013 in the western Mediterranean...

• Seasonal variability and source apportionment of volatile organic compounds (VOCs) in the Paris megacity (France)

  Authors:Alexia Baudic, Nadine Locoge, Olivier Sanchez, Cerise Kalogridis, Jean-Eudes Petit, Nicolas Bonnaire, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 18) Peer-Reviewed

  Sept. 26, 2016408 words Author abstract, Bri... Within the framework of air quality studies at the megacity scale, highly time-resolved volatile organic compound (C.sub.2 -C.sub.8) measurements were performed in downtown Paris (urban background sites) from January to...

• Influence of biomass burning vapor wall loss correction on modeling organic aerosols in Europe by CAMx v6.50.

  Authors:Jianhui Jiang, Imad El Haddad, Sebnem Aksoyoglu, Giulia Stefenelli, Amelie Bertrand, Nicolas Marchand, et al.From:Geoscientific Model Development (Vol. 14, Issue 3) Peer-Reviewed

  Mar. 24, 2021433 words Article Increasing evidence from experimental studies suggests that the losses of semi-volatile vapors to chamber walls could be responsible for the underestimation of organic aerosol (OA) in air quality models that use...

• Long-term aerosol optical hygroscopicity study at the ACTRIS SIRTA observatory: synergy between ceilometer and in situ measurements

  Authors:Gloria Titos, Juan Antonio Bravo-Aranda, Martial Haeffelin, Olivier Favez, Jean-Eudes Petit, Francisco Jos&#xE9 Olmo-Reyes, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 11) Peer-Reviewed

  June 13, 2019256 words Author abstract, Bri...

  An experimental setup to study aerosol hygroscopicity is proposed based on the temporal evolution of attenuated backscatter coefficients from a ceilometer colocated with an instrumented tower equipped with...

• Modeling organic aerosol concentrations and properties during winter 2014 in the northwestern Mediterranean region

  Authors:Mounir Chrit, Karine Sartelet, Jean Sciare, Marwa Majdi, Jose Nicolas, Jean-Eudes Petit, et al.From:Atmospheric Chemistry and Physics (Vol. 18, Issue 24) Peer-Reviewed

  Dec. 20, 2018336 words Author abstract, Bri...

  Organic aerosols are measured at a remote site (Ersa) on the cape of Corsica in the northwestern Mediterranean basin during the winter campaign of 2014 of the CHemistry and AeRosols Mediterranean EXperiment...

• Six-year source apportionment of submicron organic aerosols from near-continuous highly time-resolved measurements at SIRTA (Paris area, France).

  Authors:Yunjiang Zhang, Olivier Favez, Jean-Eudes Petit, Francesco Canonaco, Francois Truong, Nicolas Bonnaire, et al.From:Atmospheric Chemistry and Physics (Vol. 19, Issue 23) Peer-Reviewed

  Dec. 9, 2019396 words Article Organic aerosol (OA) particles are recognized as key factors influencing air quality and climate change. However, highly time-resolved long-term characterizations of their composition and sources in ambient air are still...

• A global analysis of climate-relevant aerosol properties retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories.

  Authors:Paolo Laj, Alessandro Bigi, Clémence Rose, Elisabeth Andrews, Cathrine Lund Myhre, Martine Collaud Coen, et al.From:Atmospheric Measurement Techniques (Vol. 13, Issue 8) Peer-Reviewed

  Aug. 17, 2020304 words Brief article Aerosol particles are essential constituents of the Earth's atmosphere, impacting the earth radiation balance directly by scattering and absorbing solar radiation, and indirectly by acting as cloud condensation nuclei....

• Multi-year ACSM measurements at the central European research station Melpitz (Germany) - Part 1: Instrument robustness, quality assurance, and impact of upper size cutoff diameter.

  Authors:Laurent Poulain, Gerald Spindler, Achim Grüner, Thomas Tuch, Bastian Stieger, Dominik van Pinxteren, et al.From:Atmospheric Measurement Techniques (Vol. 13, Issue 9) Peer-Reviewed

  Sept. 23, 2020686 words Article The aerosol chemical speciation monitor (ACSM) is nowadays widely used to identify and quantify the main components of fine particles in ambient air. As such, its deployment at observatory platforms is fully incorporated...

• The filter-loading effect by ambient aerosols in filter absorption photometers depends on the coating of the sampled particles

  Authors:Luka Drinovec, Peter Zotter, Robert Wolf, Emily Anne Bruns, Jean-Eudes Petit, Olivier Favez, et al.From:Atmospheric Measurement Techniques (Vol. 10, Issue 3) Peer-Reviewed

  Mar. 16, 2017379 words Brief article Black carbon is a primary aerosol tracer for high-temperature combustion emissions and can be used to characterize the time evolution of its sources. It is correlated with a decrease in public health and contributes to...

• Nitrate radical generation via continuous generation of dinitrogen pentoxide in a laminar flow reactor coupled to an oxidation flow reactor.

  Authors:Andrew T. Lambe, Ezra C. Wood, Jordan E. Krechmer, Francesca Majluf, Leah R. Williams, Philip L. Croteau, et al.From:Atmospheric Measurement Techniques (Vol. 13, Issue 5) Peer-Reviewed

  May 15, 2020307 words Brief article Oxidation flow reactors (OFRs) are an emerging tool for studying the formation and oxidative aging of organic aerosols and other applications. The majority of OFR studies to date have involved the generation of the...

• Seasonal variability and source apportionment of volatile organic compounds (VOCs) in the Paris megacity (France)

  Authors:Alexia Baudic, Nadine Locoge, Olivier Sanchez, Cerise Kalogridis, Jean-Eudes Petit, Nicolas Bonnaire, et al.From:Atmospheric Chemistry and Physics (Vol. 16, Issue 18) Peer-Reviewed

  Sept. 26, 2016396 words Brief article Within the framework of air quality studies at the megacity scale, highly time-resolved volatile organic compound (C.sub.2 -C.sub.8) measurements were performed in downtown Paris (urban background sites) from January to...