Search Results - "Faïn, Xavier"

Black carbon variability since preindustrial times in the eastern part of Europe reconstructed from Mt. Elbrus, Caucasus, ice cores by Lim, Saehee, Faïn, Xavier, Ginot, Patrick, Mikhalenko, Vladimir, Kutuzov, Stanislav, Paris, Jean-Daniel, Kozachek, Anna, Laj, Paolo

“…Black carbon (BC), emitted by fossil fuel combustion and biomass burning, is the second largest man-made contributor to global warming after carbon dioxide…”
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Gaseous elemental mercury emissions and CO₂ respiration rates in terrestrial soils under controlled aerobic and anaerobic laboratory conditions by Obrist, Daniel, Faïn, Xavier, Berger, Carsen

“…Mercury (Hg) levels in terrestrial soils are linked to the presence of organic carbon (C). Carbon pools are highly dynamic and subject to mineralization…”
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Atmospheric methane variability: Centennial‐scale signals in the Last Glacial Period by Rhodes, Rachael H., Brook, Edward J., McConnell, Joseph R., Blunier, Thomas, Sime, Louise C., Faïn, Xavier, Mulvaney, Robert

“…In order to understand atmospheric methane (CH4) biogeochemistry now and in the future, we must apprehend its natural variability, without anthropogenic…”
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A Micro-Mechanical Model for the Transformation of Dry Polar Firn Into Ice Using the Level-Set Method by Fourteau, Kévin, Gillet-Chaulet, Fabien, Martinerie, Patricia, Faïn, Xavier

“…Interpretation of greenhouse gas records in polar ice cores requires a good understanding of the mechanisms controlling gas trapping in polar ice, and…”
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Local artifacts in ice core methane records caused by layered bubble trapping and in situ production: a multi-site investigation by Rhodes, Rachael H, Faïn, Xavier, Brook, Edward J, McConnell, Joseph R, Maselli, Olivia J, Sigl, Michael, Edwards, Jon, Buizert, Christo, Blunier, Thomas, Chappellaz, Jérôme, Freitag, Johannes

“…Advances in trace gas analysis allow localised, non-atmospheric features to be resolved in ice cores, superimposed on the coherent atmospheric signal. These…”
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Polar firn air reveals large-scale impact of anthropogenic mercury emissions during the 1970s by Faïn, Xavier, Ferrari, Christophe P, Dommergue, Aurélien, Albert, Mary R, Battle, Mark, Severinghaus, Jeff, Arnaud, Laurent, Barnola, Jean-Marc, Cairns, Warren, Barbante, Carlo, Boutron, Claude

“…Mercury (Hg) is an extremely toxic pollutant, and its biogeochemical cycle has been perturbed by anthropogenic emissions during recent centuries. In the…”
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Whole-watershed mercury balance at Sagehen Creek, Sierra Nevada, CA by Faïn, Xavier, Obrist, Daniel, Pierce, Ashley, Barth, Cornelia, Gustin, Mae S., Boyle, Douglas P.

“…Few data are available on mercury (Hg) dynamics at high-elevation mountain sites. In this project, a whole-watershed approach was used to quantify major fluxes…”
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Diurnal production of gaseous mercury in the alpine snowpack before snowmelt by Faïn, Xavier, Grangeon, Sylvain, Bahlmann, Enno, Fritsche, Johannes, Obrist, Daniel, Dommergue, Aurélien, Ferrari, Christophe P., Cairns, Warren, Ebinghaus, Ralf, Barbante, Carlo, Cescon, Paolo, Boutron, Claude

“…In March 2005, an extensive mercury study was performed just before snowmelt at Col de Porte, an alpine site close to Grenoble, France. Total mercury…”
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How Elementary Mercury Reacts in the Presence of Halogen Radicals and/or Halogen Anions: A DFT Investigation by Maron, Laurent, Dommergue, Aurélien, Ferrari, Christophe, Delacour-Larose, Marlène, Faïn, Xavier

“…Reactions of elementary mercury in the gas phase (GEM) have been investigated at the DFT level in the presence of halogen radicals and/or halogen anions. In…”
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Minimal geological methane emissions during the Younger Dryas–Preboreal abrupt warming event by Petrenko, Vasilii V., Smith, Andrew M., Schaefer, Hinrich, Riedel, Katja, Brook, Edward, Baggenstos, Daniel, Harth, Christina, Hua, Quan, Buizert, Christo, Schilt, Adrian, Fain, Xavier, Mitchell, Logan, Bauska, Thomas, Orsi, Anais, Weiss, Ray F., Severinghaus, Jeffrey P.

“…Measurements from Antarctic ice suggest that geological methane emissions are much lower than previously thought, and that methane emissions from hydrates and…”
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Bromine-induced oxidation of mercury in the mid-latitude atmosphere by Obrist, Daniel, Tas, Eran, Peleg, Mordechai, Matveev, Valeri, Faïn, Xavier, Asaf, David, Luria, Menachem

“…Mercury is a potent neurotoxin, which enters remote ecosystemsprimarily through atmospheric deposition. In the polar atmosphere, gaseous elemental mercury is…”
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Deposition of Mercury Species in the Ny-Ålesund Area (79°N) and Their Transfer during Snowmelt by Dommergue, Aurélien, Larose, Catherine, Faïn, Xavier, Clarisse, Olivier, Foucher, Delphine, Hintelmann, Holger, Schneider, Dominique, Ferrari, Christophe P

“…Arctic snowpacks are often considered as temporary reservoirs for atmospheric mercury (Hg) deposited during springtime deposition events (AMDEs). The fate of…”
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Continuous methane measurements from a late Holocene Greenland ice core: Atmospheric and in-situ signals by Rhodes, Rachael H., Faïn, Xavier, Stowasser, Christopher, Blunier, Thomas, Chappellaz, Jérôme, McConnell, Joseph R., Romanini, Daniele, Mitchell, Logan E., Brook, Edward J.

“…Ancient air trapped inside bubbles in ice cores can now be analysed for methane concentration utilising a laser spectrometer coupled to a continuous melter…”
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Combining traditional and novel techniques to increase our understanding of the lock-in depth of atmospheric gases in polar ice cores – results from the EastGRIP region by Westhoff, Julien, Freitag, Johannes, Orsi, Anaïs, Martinerie, Patricia, Weikusat, Ilka, Dyonisius, Michael, Faïn, Xavier, Fourteau, Kevin, Blunier, Thomas

“…We investigate the lock-in zone (LIZ) of the East Greenland Ice Core Project (EastGRIP) region, northeastern Greenland, in detail. We present results from the…”
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A 2000-year temperature reconstruction on the East Antarctic plateau from argon–nitrogen and water stable isotopes in the Aurora Basin North ice core by Servettaz, Aymeric P. M, Orsi, Anaïs J, Curran, Mark A. J, Moy, Andrew D, Landais, Amaelle, McConnell, Joseph R, Popp, Trevor J, Le Meur, Emmanuel, Faïn, Xavier, Chappellaz, Jérôme

“…The temperature of the Earth is one of the most important climate parameters. Proxy records of past climate changes, in particular temperature, represent a…”
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Characterization of in situ cosmogenic 14CO production, retention and loss in firn and shallow ice at Summit, Greenland by Hmiel, Benjamin, Petrenko, Vasilii V, Buizert, Christo, Smith, Andrew M, Dyonisius, Michael N, Place, Philip, Yang, Bin, Quan Hua, Beaudette, Ross, Severinghaus, Jeffrey P, Harth, Christina, Weiss, Ray F, Davidge, Lindsey, Diaz, Melisa, Pacicco, Matthew, Menking, James A, Kalk, Michael, Faïn, Xavier, Adolph, Alden, Vimont, Isaac, Murray, Lee T

“…Measurements of carbon-14-containing carbon monoxide (14CO) in glacial ice are useful for studies of the past oxidative capacity of the atmosphere as well as…”
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Estimation of gas record alteration in very low-accumulation ice cores by Fourteau, Kévin, Martinerie, Patricia, Faïn, Xavier, Ekaykin, Alexey A., Chappellaz, Jérôme, Lipenkov, Vladimir

“…We measured the methane mixing ratios of enclosed air in five ice core sections drilled on the East Antarctic Plateau. Our work aims to study two effects that…”
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Northern Hemisphere atmospheric history of carbon monoxide since preindustrial times reconstructed from multiple Greenland ice cores by Faïn, Xavier, Rhodes, Rachael H, Place, Philip, Petrenko, Vasilii V, Fourteau, Kévin, Chellman, Nathan, Crosier, Edward, McConnell, Joseph R, Brook, Edward J, Blunier, Thomas, Legrand, Michel, Chappellaz, Jérôme

“…Carbon monoxide (CO) is a regulated pollutant and one of the key components determining the oxidizing capacity of the atmosphere. Obtaining a reliable record…”
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Southern Hemisphere atmospheric history of carbon monoxide over the late Holocene reconstructed from multiple Antarctic ice archives by Faïn, Xavier, Etheridge, David M, Fourteau, Kévin, Martinerie, Patricia, Trudinger, Cathy M, Rhodes, Rachael H, Chellman, Nathan J, Langenfelds, Ray L, McConnell, Joseph R, Curran, Mark A. J, Brook, Edward J, Blunier, Thomas, Teste, Grégory, Grilli, Roberto, Lemoine, Anthony, Sturges, William T, Vannière, Boris, Freitag, Johannes, Chappellaz, Jérôme

“…Carbon monoxide (CO) is a naturally occurring atmospheric trace gas, a regulated pollutant, and one of the main components determining the oxidative capacity…”
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Analytical constraints on layered gas trapping and smoothing of atmospheric variability in ice under low-accumulation conditions by Fourteau, Kévin, Faïn, Xavier, Martinerie, Patricia, Landais, Amaëlle, Ekaykin, Alexey A, Lipenkov, Vladimir Ya, Chappellaz, Jérôme

“…We investigate for the first time the loss and alteration of past atmospheric information from air trapping mechanisms under low-accumulation conditions…”
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