Search Results - "Angot, H"

A 2-year record of atmospheric mercury species at a background Southern Hemisphere station on Amsterdam Island by Angot, H, Barret, M, Magand, O, Ramonet, M, Dommergue, A

“…Although essential to fully understand the cycling of mercury at the global scale, mercury species records in the Southern Hemisphere are scarce. Under the…”
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Atmospheric mercury concentrations observed at ground-based monitoring sites globally distributed in the framework of the GMOS network by Sprovieri, Francesca, Pirrone, Nicola, Bencardino, Mariantonia, D'Amore, Francesco, Carbone, Francesco, Cinnirella, Sergio, Mannarino, Valentino, Landis, Matthew, Ebinghaus, Ralf, Weigelt, Andreas, Brunke, Ernst-Günther, Labuschagne, Casper, Martin, Lynwill, Munthe, John, Wängberg, Ingvar, Artaxo, Paulo, Morais, Fernando, de Melo Jorge Barbosa, Henrique, Brito, Joel, Cairns, Warren, Barbante, Carlo, Del Carmen Diéguez, María, Garcia, Patricia Elizabeth, Dommergue, Aurélien, Angot, Helene, Magand, Olivier, Skov, Henrik, Horvat, Milena, Kotnik, Jože, Read, Katie Alana, Neves, Luis Mendes, Gawlik, Bernd Manfred, Sena, Fabrizio, Mashyanov, Nikolay, Obolkin, Vladimir, Wip, Dennis, Feng, Xin Bin, Zhang, Hui, Fu, Xuewu, Ramachandran, Ramesh, Cossa, Daniel, Knoery, Joël, Marusczak, Nicolas, Nerentorp, Michelle, Norstrom, Claus

“…Long-term monitoring of data of ambient mercury (Hg) on a global scale to assess its emission, transport, atmospheric chemistry, and deposition processes is…”
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Comparison of mercury concentrations measured at several sites in the Southern Hemisphere by Slemr, F, Angot, H, Dommergue, A, Magand, O, Barret, M, Weigelt, A, Ebinghaus, R, Brunke, E.-G, Pfaffhuber, K. A, Edwards, G, Howard, D, Powell, J, Keywood, M, Wang, F

“…Our knowledge of the distribution of mercury concentrations in air of the Southern Hemisphere was until recently based mostly on intermittent measurements made…”
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Sampling of suspended particulate matter using particle traps in the Rhône River: Relevance and representativeness for the monitoring of contaminants by Masson, M., Angot, H., Le Bescond, C., Launay, M., Dabrin, A., Miège, C., Le Coz, J., Coquery, M.

“…Monitoring hydrophobic contaminants in surface freshwaters requires measuring contaminant concentrations in the particulate fraction (sediment or suspended…”
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Bromine, iodine and sodium along the EAIIST traverse: Bulk and surface snow latitudinal variability by Celli, G., Cairns, W.R.L., Scarchilli, C., Cuevas, C.A., Saiz-Lopez, A., Savarino, J., Stenni, B., Frezzotti, M., Becagli, S., Delmonte, B., Angot, H., Fernandez, R.P., Spolaor, A.

“…During the East Antarctic International Ice Sheet Traverse (Eaiist, december 2019), in an unexplored part of the East Antarctic Plateau, snow samples were…”
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Chemical cycling and deposition of atmospheric mercury in polar regions: review of recent measurements and comparison with models by Angot, Hélène, Dastoor, Ashu, De Simone, Francesco, Gårdfeldt, Katarina, Gencarelli, Christian N, Hedgecock, Ian M, Langer, Sarka, Magand, Olivier, Mastromonaco, Michelle N, Nordstrøm, Claus, Pfaffhuber, Katrine A, Pirrone, Nicola, Ryjkov, Andrei, Selin, Noelle E, Skov, Henrik, Song, Shaojie, Sprovieri, Francesca, Steffen, Alexandra, Toyota, Kenjiro, Travnikov, Oleg, Yang, Xin, Dommergue, Aurélien

“…Mercury (Hg) is a worldwide contaminant that can cause adverse health effects to wildlife and humans. While atmospheric modeling traces the link from emissions…”
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Top-down constraints on atmospheric mercury emissions and implications for global biogeochemical cycling by Song, S, Selin, N. E, Soerensen, A. L, Angot, H, Artz, R, Brooks, S, Brunke, E.-G, Conley, G, Dommergue, A, Ebinghaus, R, Holsen, T. M, Jaffe, D. A, Kang, S, Kelley, P, Luke, W. T, Magand, O, Marumoto, K, Pfaffhuber, K. A, Ren, X, Sheu, G.-R, Slemr, F, Warneke, T, Weigelt, A, Weiss-Penzias, P, Wip, D. C, Zhang, Q

“…We perform global-scale inverse modeling to constrain present-day atmospheric mercury emissions and relevant physiochemical parameters in the GEOS-Chem…”
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Diurnal cycle of iodine, bromine, and mercury concentrations in Svalbard surface snow by Spolaor, Andrea, Barbaro, Elena, Cappelletti, David, Turetta, Clara, Mazzola, Mauro, Giardi, Fabio, Björkman, Mats P, Lucchetta, Federico, Dallo, Federico, Pfaffhuber, Katrine Aspmo, Angot, Hélène, Dommergue, Aurelien, Maturilli, Marion, Saiz-Lopez, Alfonso, Barbante, Carlo, Cairns, Warren R. L

“…Sunlit snow is highly photochemically active and plays a key role in the exchange of gas phase species between the cryosphere and the atmosphere. Here, we…”
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The Superstatistical Nature and Interoccurrence Time of Atmospheric Mercury Concentration Fluctuations by Carbone, F., Bruno, A. G., Naccarato, A., De Simone, F., Gencarelli, C. N., Sprovieri, F., Hedgecock, I. M., Landis, M. S., Skov, H., Pfaffhuber, K. A., Read, K. A., Martin, L., Angot, H., Dommergue, A., Magand, O., Pirrone, N.

“…The probability density function (PDF) of the time intervals between subsequent extreme events in atmospheric Hg0 concentration data series from different…”
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Atmospheric mercury in the Southern Hemisphere – Part 2: Source apportionment analysis at Cape Point station, South Africa by Bieser, Johannes, Angot, Hélène, Slemr, Franz, Martin, Lynwill

“…Mercury (Hg) contamination is ubiquitous. In order to assess its emissions, transport, atmospheric reactivity, and deposition pathways, worldwide Hg monitoring…”
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Multi-year record of atmospheric mercury at Dumont d'Urville, East Antarctic coast: continental outflow and oceanic influences by Angot, Hélène, Dion, Iris, Vogel, Nicolas, Legrand, Michel, Magand, Olivier, Dommergue, Aurélien

“…Under the framework of the Global Mercury Observation System (GMOS) project, a 3.5-year record of atmospheric gaseous elemental mercury (Hg(0)) has been…”
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Atmospheric mercury in the Southern Hemisphere – Part 1: Trend and inter-annual variations in atmospheric mercury at Cape Point, South Africa, in 2007–2017, and on Amsterdam Island in 2012–2017 by Slemr, Franz, Martin, Lynwill, Labuschagne, Casper, Mkololo, Thumeka, Angot, Hélène, Magand, Olivier, Dommergue, Aurélien, Garat, Philippe, Ramonet, Michel, Bieser, Johannes

“…The Minamata Convention on Mercury (Hg) entered into force in 2017, committing its 116 parties (as of January 2019) to curb anthropogenic emissions. Monitoring…”
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Atmospheric biogenic volatile organic compounds in the Alaskan Arctic tundra: constraints from measurements at Toolik Field Station by Selimovic, Vanessa, Ketcherside, Damien, Chaliyakunnel, Sreelekha, Wielgasz, Catherine, Permar, Wade, Angot, Hélène, Millet, Dylan B, Fried, Alan, Helmig, Detlev, Hu, Lu

“…The Arctic is a climatically sensitive region that has experienced warming at almost 3 times the global average rate in recent decades, leading to an increase…”
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Substantial contribution of iodine to Arctic ozone destruction by Benavent, Nuria, Mahajan, Anoop S., Li, Qinyi, Cuevas, Carlos A., Schmale, Julia, Angot, Hélène, Jokinen, Tuija, Quéléver, Lauriane L. J., Blechschmidt, Anne-Marlene, Zilker, Bianca, Richter, Andreas, Serna, Jesús A., Garcia-Nieto, David, Fernandez, Rafael P., Skov, Henrik, Dumitrascu, Adela, Simões Pereira, Patric, Abrahamsson, Katarina, Bucci, Silvia, Duetsch, Marina, Stohl, Andreas, Beck, Ivo, Laurila, Tiia, Blomquist, Byron, Howard, Dean, Archer, Stephen D., Bariteau, Ludovic, Helmig, Detlev, Hueber, Jacques, Jacobi, Hans-Werner, Posman, Kevin, Dada, Lubna, Daellenbach, Kaspar R., Saiz-Lopez, Alfonso

“…Unlike bromine, the effect of iodine chemistry on the Arctic surface ozone budget is poorly constrained. We present ship-based measurements of halogen oxides…”
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Multi-model study of mercury dispersion in the atmosphere: atmospheric processes and model evaluation by Travnikov, Oleg, Angot, Hélène, Artaxo, Paulo, Bencardino, Mariantonia, Bieser, Johannes, D'Amore, Francesco, Dastoor, Ashu, De Simone, Francesco, Diéguez, María del Carmen, Dommergue, Aurélien, Ebinghaus, Ralf, Feng, Xin Bin, Gencarelli, Christian N., Hedgecock, Ian M., Magand, Olivier, Martin, Lynwill, Matthias, Volker, Mashyanov, Nikolay, Pirrone, Nicola, Ramachandran, Ramesh, Read, Katie Alana, Ryjkov, Andrei, Selin, Noelle E., Sena, Fabrizio, Song, Shaojie, Sprovieri, Francesca, Wip, Dennis, Wängberg, Ingvar, Yang, Xin

“…Current understanding of mercury (Hg) behavior in the atmosphere contains significant gaps. Some key characteristics of Hg processes, including anthropogenic…”
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The annual cycle and sources of relevant aerosol precursor vapors in the central Arctic during the MOSAiC expedition by Boyer, Matthew, Aliaga, Diego, Quéléver, Lauriane L. J, Bucci, Silvia, Angot, Hélène, Dada, Lubna, Heutte, Benjamin, Beck, Lisa, Duetsch, Marina, Stohl, Andreas, Beck, Ivo, Laurila, Tiia, Sarnela, Nina, Thakur, Roseline C, Miljevic, Branka, Kulmala, Markku, Petäjä, Tuukka, Sipilä, Mikko, Schmale, Julia, Jokinen, Tuija

“…In this study, we present and analyze the first continuous time series of relevant aerosol precursor vapors from the central Arctic (north of 80° N) during the…”
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Five-year records of mercury wet deposition flux at GMOS sites in the Northern and Southern hemispheres by Sprovieri, Francesca, Pirrone, Nicola, Bencardino, Mariantonia, D'Amore, Francesco, Angot, Helene, Barbante, Carlo, Brunke, Ernst-Günther, Arcega-Cabrera, Flor, Cairns, Warren, Comero, Sara, Diéguez, María del Carmen, Dommergue, Aurélien, Ebinghaus, Ralf, Feng, Xin Bin, Fu, Xuewu, Garcia, Patricia Elizabeth, Gawlik, Bernd Manfred, Hageström, Ulla, Hansson, Katarina, Horvat, Milena, Kotnik, Jože, Labuschagne, Casper, Magand, Olivier, Martin, Lynwill, Mashyanov, Nikolay, Mkololo, Thumeka, Munthe, John, Obolkin, Vladimir, Ramirez Islas, Martha, Sena, Fabrizio, Somerset, Vernon, Spandow, Pia, Vardè, Massimiliano, Walters, Chavon, Wängberg, Ingvar, Weigelt, Andreas, Yang, Xu, Zhang, Hui

“…The atmospheric deposition of mercury (Hg) occurs via several mechanisms, including dry and wet scavenging by precipitation events. In an effort to understand…”
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Temporary pause in the growth of atmospheric ethane and propane in 2015–2018 by Angot, Hélène, Davel, Connor, Wiedinmyer, Christine, Pétron, Gabrielle, Chopra, Jashan, Hueber, Jacques, Blanchard, Brendan, Bourgeois, Ilann, Vimont, Isaac, Montzka, Stephen A, Miller, Ben R, Elkins, James W, Helmig, Detlev

“…Atmospheric non-methane hydrocarbons (NMHCs) play an important role in the formation of secondary organic aerosols and ozone. After a multidecadal global…”
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A full year of aerosol size distribution data from the central Arctic under an extreme positive Arctic Oscillation: insights from the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition by Boyer, Matthew, Aliaga, Diego, Pernov, Jakob Boyd, Angot, Hélène, Quéléver, Lauriane L. J, Dada, Lubna, Heutte, Benjamin, Dall'Osto, Manuel, Beddows, David C. S, Brasseur, Zoé, Beck, Ivo, Bucci, Silvia, Duetsch, Marina, Stohl, Andreas, Laurila, Tiia, Asmi, Eija, Massling, Andreas, Thomas, Daniel Charles, Nøjgaard, Jakob Klenø, Chan, Tak, Sharma, Sangeeta, Tunved, Peter, Krejci, Radovan, Hansson, Hans Christen, Bianchi, Federico, Lehtipalo, Katrianne, Wiedensohler, Alfred, Weinhold, Kay, Kulmala, Markku, Petäjä, Tuukka, Sipilä, Mikko, Schmale, Julia, Jokinen, Tuija

“…The Arctic environment is rapidly changing due to accelerated warming in the region. The warming trend is driving a decline in sea ice extent, which thereby…”
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Biogenic volatile organic compound ambient mixing ratios and emission rates in the Alaskan Arctic tundra by Angot, Hélène, McErlean, Katelyn, Hu, Lu, Millet, Dylan B, Hueber, Jacques, Cui, Kaixin, Moss, Jacob, Wielgasz, Catherine, Milligan, Tyler, Ketcherside, Damien, Bret-Harte, M Syndonia, Helmig, Detlev

“…Rapid Arctic warming, a lengthening growing season, and the increasing abundance of biogenic volatile-organic-compound-emitting shrubs are all anticipated to…”
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