Search Results - "Dufour, Gaelle"

The unintended consequence of SO2 and NO2 regulations over China: increase of ammonia levels and impact on PM2.5 concentrations by Lachatre, Mathieu, tems-Cheiney, Audrey, et, Gilles, Siour, Guillaume, Gaëlle Dufour, Lieven Clarisse, Clerbaux, Cathy, Pierre-François Coheur, Martin Van Damme, Beekmann, Matthias

“…Air pollution reaching hazardous levels in many Chinese cities has been a major concern in China over the past decades. New policies have been applied to…”
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An investigation on the origin of regional springtime ozone episodes in the western Mediterranean by Kalabokas, Pavlos, Hjorth, Jens, Foret, Gilles, Dufour, Gaëlle, Eremenko, Maxim, Siour, Guillaume, Cuesta, Juan, Beekmann, Matthias

“…For the identification of regional springtime ozone episodes, rural European Monitoring and Evaluation Programme (EMEP) ozone measurements from countries…”
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HYPERSPECTRAL EARTH OBSERVATION FROM IASI: Five Years of Accomplishments by Hilton, Fiona, Armante, Raymond, August, Thomas, Barnet, Chris, Bouchard, Aurelie, Camy-Peyret, Claude, Capelle, Virginie, Clarisse, Lieven, Clerbaux, Cathy, Coheur, Pierre-Francois, Collard, Andrew, Crevoisier, Cyril, Dufour, Gaelle, Edwards, David, Faijan, Francois, Fourrié, Nadia, Gambacorta, Antonia, Goldberg, Mitchell, Guidard, Vincent, Hurtmans, Daniel, Illingworth, Samuel, Jacquinet-Husson, Nicole, Kerzenmacher, Tobias, Klaes, Dieter, Lavanant, Lydie, Masiello, Guido, Matricardi, Marco, McNally, Anthony, Newman, Stuart, Pavelin, Edward, Payan, Sebastien, Péquignot, Eric, Peyridieu, Sophie, Phulpin, Thierry, Remedios, John, Schlüssel, Peter, Serio, Carmine, Strow, Larrabee, Stubenrauch, Claudia, Taylor, Jonathan, Tobin, David, Wolf, Walter, Zhou, Daniel

“…The Infrared Atmospheric Sounding Interferometer (IASI) forms the main infrared sounding component of the European Organisation for the Exploitation of…”
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NOx emissions in France in 2019–2021 as estimated by the high-spatial-resolution assimilation of TROPOMI NO2 observations by Plauchu, Robin, tems-Cheiney, Audrey, Broquet, Grégoire, Pison, Isabelle, Berchet, Antoine, Potier, Elise, Dufour, Gaëlle, Coman, Adriana, Savas, Dilek, Siour, Guillaume, Eskes, Henk

“…Since 2018, the TROPOspheric Monitoring Instrument (TROPOMI) on board the Sentinel-5 Precursor (S5P) has provided unprecedented images of nitrogen dioxide…”
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Three-Dimensional Distribution of Biomass Burning Aerosols from Australian Wildfires Observed by TROPOMI Satellite Observations by Lemmouchi, Farouk, Cuesta, Juan, Eremenko, Maxim, Derognat, Claude, Siour, Guillaume, Dufour, Gaëlle, Sellitto, Pasquale, Turquety, Solène, Tran, Dung, Liu, Xiong, Zoogman, Peter, Lutz, Ronny, Loyola, Diego

“…We present a novel passive satellite remote sensing approach for observing the three-dimensional distribution of aerosols emitted from wildfires. This method,…”
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Recent ozone trends in the Chinese free troposphere: role of the local emission reductions and meteorology by Dufour, Gaëlle, Hauglustaine, Didier, Zhang, Yunjiang, Eremenko, Maxim, Cohen, Yann, Gaudel, Audrey, Siour, Guillaume, Lachatre, Mathieu, Bense, Axel, Bessagnet, Bertrand, Cuesta, Juan, Ziemke, Jerry, Thouret, Valérie, Zheng, Bo

“…Free tropospheric ozone (O3) trends in the Central East China (CEC) and export regions are investigated for 2008–2017 using the IASI (Infrared Atmospheric…”
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Lower tropospheric ozone over the North China Plain: variability and trends revealed by IASI satellite observations for 2008–2016 by Dufour, Gaëlle, Eremenko, Maxim, Beekmann, Matthias, Cuesta, Juan, Foret, Gilles, Fortems-Cheiney, Audrey, Lachâtre, Mathieu, Lin, Weili, Liu, Yi, Xu, Xiaobin, Zhang, Yuli

“…China is a highly polluted region, particularly the North China Plain (NCP). However, emission reductions have been occurring in China for about the last…”
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Fingerprints of the COVID-19 economic downturn and recovery on ozone anomalies at high-elevation sites in North America and western Europe by Putero, Davide, Cristofanelli, Paolo, Chang, Kai-Lan, Dufour, Gaëlle, Beachley, Gregory, Couret, Cédric, Effertz, Peter, Jaffe, Daniel A, Kubistin, Dagmar, Lynch, Jason, Petropavlovskikh, Irina, Puchalski, Melissa, Sharac, Timothy, Sive, Barkley C, Steinbacher, Martin, Torres, Carlos, Cooper, Owen R

“…With a few exceptions, most studies on tropospheric ozone (O3) variability during and following the COrona VIrus Disease (COVID-19) economic downturn focused…”
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Tropospheric Ozone Assessment Report: Tropospheric Ozone From 1877 to 2016, Observed Levels, Trends and Uncertainties by Galbally, Ian E., Cooper, Owen R., Schultz, Martin G., Ancellet, Gerard, Leblanc, Thierry, Wallington, Timothy J., Ziemke, Jerry, Liu, Xiong, Steinbacher, Martin, Staehelin, Johannes, Vigouroux, Corinne, Hannigan, James W., García, Omaira, Foret, Gilles, Zanis, Prodromos, Weatherhead, Elizabeth, Petropavlovskikh, Irina, Worden, Helen, Osman, Mohammed, Liu, Jane, Chang, Kai-Lan, Gaudel, Audrey, Lin, Meiyun, Granados-Muñoz, Maria, Thompson, Anne M, Oltmans, Samuel J., Cuesta, Juan, Dufour, Gaelle, Thouret, Valerie, Hassler, Birgit, Trickl, Thomas, Neu, Jessica L

“…From the earliest observations of ozone in the lower atmosphere in the 19th century, both measurement methods and the portion of the globe observed have…”
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Do alternative inventories converge on the spatiotemporal representation of spring ammonia emissions in France? by Fortems-Cheiney, Audrey, Dufour, Gaëlle, Dufossé, Karine, Couvidat, Florian, Gilliot, Jean-Marc, Siour, Guillaume, Beekmann, Matthias, Foret, Gilles, Meleux, Frederik, Clarisse, Lieven, Coheur, Pierre-François, Van Damme, Martin, Clerbaux, Cathy, Génermont, Sophie

“…Agriculture is the main source of ammonia (NH3) in France, an important gaseous precursor of atmospheric particulate matter (PM). National and global emission…”
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Potential of multispectral synergism for observing ozone pollution by combining IASI-NG and UVNS measurements from the EPS-SG satellite by Costantino, Lorenzo, Cuesta, Juan, Emili, Emanuele, Coman, Adriana, Foret, Gilles, Dufour, Gaëlle, Eremenko, Maxim, Chailleux, Yohann, Beekmann, Matthias, Flaud, Jean-Marie

“…Present and future satellite observations offer great potential for monitoring air quality on a daily and global basis. However, measurements from currently…”
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Satellite boreal measurements over Alaska and Canada during June–July 2004: Simultaneous measurements of upper tropospheric CO, C2H6, HCN, CH3Cl, CH4, C2H2, CH3OH, HCOOH, OCS, and SF6 mixing ratios by Rinsland, Curtis P., Dufour, Gaëlle, Boone, Chris D., Bernath, Peter F., Chiou, Linda, Coheur, Pierre-François, Turquety, Solène, Clerbaux, Cathy

“…Simultaneous ACE (Atmospheric Chemistry Experiment) upper tropospheric CO, C2H6, HCN, CH3Cl, CH4, C2H2, CH3OH, HCOOH, and OCS measurements show plumes up to…”
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First space-based observations of formic acid (HCOOH): Atmospheric Chemistry Experiment austral spring 2004 and 2005 Southern Hemisphere tropical-mid-latitude upper tropospheric measurements by Rinsland, Curtis P., Boone, Chris D., Bernath, Peter F., Mahieu, Emmanuel, Zander, Rodolphe, Dufour, Gaëlle, Clerbaux, Cathy, Turquety, Solène, Chiou, Linda, McConnell, John C., Neary, Lori, Kaminski, Jacek W.

“…The first space‐based measurements of upper tropospheric (110–300 hPa) formic acid (HCOOH) are reported from 0.02 cm−1 resolution Atmospheric Chemistry…”
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Three‐dimensional pathways of dust over the Sahara during summer 2011 as revealed by new Infrared Atmospheric Sounding Interferometer observations by Cuesta, Juan, Flamant, Cyrille, Gaetani, Marco, Knippertz, Peter, Fink, Andreas H., Chazette, Patrick, Eremenko, Maxim, Dufour, Gaëlle, Di Biagio, Claudia, Formenti, Paola

“…We present a new characterisation of the three‐dimensional (3D) distribution of dust over the Sahara during summer, exemplified for June 2011. Our approach,…”
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Tropospheric ozone retrieval from thermal infrared nadir satellite measurements: Towards more adaptability of the constraint using a self-adapting regularization by Eremenko, Maxim, Sgheri, Luca, Ridolfi, Marco, Cuesta, Juan, Costantino, Lorenzo, Sellitto, Pasquale, Dufour, Gaëlle

“…•The study presents a retrieval method developing a variable in altitude constraint that adapts for each individual infrared nadir measurement.•This retrieval…”
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Transboundary ozone pollution across East Asia: daily evolution and photochemical production analysed by IASI + GOME2 multispectral satellite observations and models by Cuesta, Juan, Kanaya, Yugo, Takigawa, Masayuki, Dufour, Gaëlle, Eremenko, Maxim, Foret, Gilles, Miyazaki, Kazuyuki, Beekmann, Matthias

“…We characterise a transboundary ozone pollution outbreak transported across East Asia in early May 2009 using new multispectral satellite observations of…”
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Three-dimensional distribution of a major desert dust outbreak over East Asia in March 2008 derived from IASI satellite observations by Cuesta, Juan, Eremenko, Maxim, Flamant, Cyrille, Dufour, Gaëlle, Laurent, Benoît, Bergametti, Gilles, Höpfner, Michael, Orphal, Johannes, Zhou, Daniel

“…We describe the daily evolution of the three-dimensional (3D) structure of a major dust outbreak initiated by an extratropical cyclone over East Asia in early…”
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24 h Evolution of an Exceptional HONO Plume Emitted by the Record-Breaking 2019/2020 Australian Wildfire Tracked from Space by Dufour, Gaëlle, Eremenko, Maxim, Siour, Guillaume, Sellitto, Pasquale, Cuesta, Juan, Perrin, Agnès, Beekmann, Matthias

“…Megafires occurred in Australia during the 2019/2020 bushfire season, leading to enhanced concentrations of many tropospheric pollutants. Here, we report on a…”
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A study of the influence of tropospheric subsidence on spring and summer surface ozone concentrations at the JRC Ispra station in northern Italy by Kalabokas, Pavlos, Jensen, Niels Roland, Roveri, Mauro, Hjorth, Jens, Eremenko, Maxim, Cuesta, Juan, Dufour, Gaëlle, Foret, Gilles, Beekmann, Matthias

“…The influence of tropospheric ozone on the surface ozone concentrations is investigated at the monitoring station of JRC Ispra, based on 10 years of…”
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Air Quality Degradation by Mineral Dust over Beijing, Chengdu and Shanghai Chinese Megacities by Lachatre, Mathieu, Foret, Gilles, Laurent, Benoit, Siour, Guillaume, Cuesta, Juan, Dufour, Gaëlle, Meng, Fan, Tang, Wei, Zhang, Qijie, Beekmann, Matthias

“…Air pollution in Chinese megacities has reached extremely hazardous levels, and human activities are responsible for the emission or production of large…”
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