Search Results - "Sapart, Célia J"

Iron-Mediated Anaerobic Oxidation of Methane in Brackish Coastal Sediments by Egger, Matthias, Rasigraf, Olivia, Sapart, Célia J, Jilbert, Tom, Jetten, Mike S. M, Röckmann, Thomas, van der Veen, Carina, Bândă, Narcisa, Kartal, Boran, Ettwig, Katharina F, Slomp, Caroline P

“…Methane is a powerful greenhouse gas and its biological conversion in marine sediments, largely controlled by anaerobic oxidation of methane (AOM), is a…”
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Source apportionment of methane escaping the subsea permafrost system in the outer Eurasian Arctic Shelf by Steinbach, Julia, Holmstrand, Henry, Shcherbakova, Kseniia, Kosmach, Denis, Brüchert, Volker, Shakhova, Natalia, Salyuk, Anatoly, Sapart, Célia J., Chernykh, Denis, Noormets, Riko, Semiletov, Igor, Gustafsson, Örjan

“…The East Siberian Arctic Shelf holds large amounts of inundated carbon and methane (CH₄). Holocene warming by overlying seawater, recently fortified by…”
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Rapid Sediment Accumulation Results in High Methane Effluxes from Coastal Sediments by Egger, Matthias, Lenstra, Wytze, Jong, Dirk, Meysman, Filip J R, Sapart, Célia J, van der Veen, Carina, Röckmann, Thomas, Gonzalez, Santiago, Slomp, Caroline P

“…Globally, the methane (CH4) efflux from the ocean to the atmosphere is small, despite high rates of CH4 production in continental shelf and slope environments…”
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Anaerobic oxidation of methane alters sediment records of sulfur, iron and phosphorus in the Black Sea by Egger, Matthias, Kraal, Peter, Jilbert, Tom, Sulu-Gambari, Fatimah, Sapart, Célia J, Röckmann, Thomas, Slomp, Caroline P

“…The surface sediments in the Black Sea are underlain by extensive deposits of iron (Fe)-oxide-rich lake sediments that were deposited prior to the inflow of…”
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Iron oxide reduction in methane-rich deep Baltic Sea sediments by Egger, Matthias, Hagens, Mathilde, Sapart, Célia J., Dijkstra, Nikki, van Helmond, Niels A.G.M., Mogollón, José M., Risgaard-Petersen, Nils, van der Veen, Carina, Kasten, Sabine, Riedinger, Natascha, Böttcher, Michael E., Röckmann, Thomas, Jørgensen, Bo Barker, Slomp, Caroline P.

“…Methane is a powerful greenhouse gas and its emission from marine sediments to the atmosphere is largely controlled by anaerobic oxidation of methane (AOM)…”
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Carbon and Hydrogen Isotope Signatures of Dissolved Methane in the Scheldt Estuary by Jacques, Caroline, Gkritzalis, Thanos, Tison, Jean-Louis, Hartley, Thomas, van der Veen, Carina, Röckmann, Thomas, Middelburg, Jack J., Cattrijsse, André, Egger, Matthias, Dehairs, Frank, Sapart, Célia J.

“…We collected water samples from the Scheldt estuary during December 2015 and November 2016 for methane (CH 4 ) concentration and isotopic composition (δ 13 C…”
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The origin of methane in the East Siberian Arctic Shelf unraveled with triple isotope analysis by Sapart, Célia J, Shakhova, Natalia, Semiletov, Igor, Jansen, Joachim, Szidat, Sönke, Kosmach, Denis, Dudarev, Oleg, van der Veen, Carina, Egger, Matthias, Sergienko, Valentine, Salyuk, Anatoly, Tumskoy, Vladimir, Tison, Jean-Louis, Röckmann, Thomas

“…The Arctic Ocean, especially the East Siberian Arctic Shelf (ESAS), has been proposed as a significant source of methane that might play an increasingly…”
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Methane airborne measurements and comparison to global models during BARCA by Beck, Veronika, Chen, Huilin, Gerbig, Christoph, Bergamaschi, Peter, Bruhwiler, Lori, Houweling, Sander, Röckmann, Thomas, Kolle, Olaf, Steinbach, Julia, Koch, Thomas, Sapart, Célia J., van der Veen, Carina, Frankenberg, Christian, Andreae, Meinrat O., Artaxo, Paulo, Longo, Karla M., Wofsy, Steven C.

“…Tropical regions, especially the Amazon region, account for large emissions of methane (CH4). Here, we present CH4 observations from two airborne campaigns…”
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Constraining N2O emissions since 1940 using firn air isotope measurements in both hemispheres by Prokopiou, Markella, Martinerie, Patricia, Sapart, Célia J, Witrant, Emmanuel, Monteil, Guillaume, Ishijima, Kentaro, Bernard, Sophie, Kaiser, Jan, Levin, Ingeborg, Blunier, Thomas, Etheridge, David, Dlugokencky, Ed, Roderik S W van de Wal, Röckmann, Thomas

“…N2O is currently the third most important anthropogenic greenhouse gas in terms of radiative forcing and its atmospheric mole fraction is rising steadily. To…”
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A comprehensive interpretation of the NEEM basal ice build-up using a multi-parametric approach by Goossens, Thomas, Sapart, Célia J, Dahl-Jensen, Dorthe, Popp, Trevor, El Amri, Saïda, Tison, Jean-Louis

“…Basal ice is a common expression to describe bottom ice layers of glaciers, ice caps and ice sheets in which the ice is primarily conditioned by processes…”
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Recent, deep-sourced methane/mud discharge at the most active mud volcano in the western Mediterranean by López-Rodríguez, Carmina, De Lange, Gert J., Comas, Menchu, Martínez-Ruiz, Francisca, Nieto, Fernando, Sapart, Célia J., Mogollón, José M.

“…Active mud volcanism in the West Alboran Basin (WAB) is closely associated with tectonically mobilized, overpressurized shales and shale-diapirism. This…”
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Carbon isotope ratios suggest no additional methane from boreal wetlands during the rapid Greenland Interstadial 21.2 by Sperlich, Peter, Schaefer, Hinrich, Mikaloff Fletcher, Sara E., Guillevic, Myriam, Lassey, Keith, Sapart, Célia J., Röckmann, Thomas, Blunier, Thomas

“…Samples from two Greenland ice cores (NEEM and NGRIP) have been measured for methane carbon isotope ratios (δ13C‐CH4) to investigate the CH4 mixing ratio…”
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Sources and sinks of methane in sea ice: Insights from stable isotopes by Jacques, Caroline, Sapart, Celia J, Fripiat, François, Carnat, Gauthier, Zhou, Jiayun, Delille, Bruno, Röckmann, Thomas, van der Veen, Carina, Niemann, Helge, Haskell, Tim, Tison, Jean-Louis

“…We report on methane (CH4) stable isotope (d13C and d2 H) measurements from landfast sea ice collected near Barrow (Utqiagvik, Alaska) and Cape Evans…”
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Carbon Emissions From the Edge of the Greenland Ice Sheet Reveal Subglacial Processes of Methane and Carbon Dioxide Turnover by Christiansen, Jesper R., Röckmann, Thomas, Popa, Maria E., Sapart, Celia J., Jørgensen, Christian J.

“…Direct gaseous emissions of methane (CH4) and carbon dioxide (CO2) from the subglacial environment under Greenland Ice Sheet (GrIS) were only recently…”
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Sources and sinks of methane in sea ice by Jacques, Caroline, Sapart, Célia J., Fripiat, François, Carnat, Gauthier, Zhou, Jiayun, Delille, Bruno, Röckmann, Thomas, van der Veen, Carina, Niemann, Helge, Haskell, Tim, Tison, Jean-Louis

“…We report on methane (CH4) stable isotope (δ13C and δ2H) measurements from landfast sea ice collected near Barrow (Utqiagvik, Alaska) and Cape Evans…”
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Constraining N 2 O emissions since 1940 using firn air isotope measurements in both hemispheres by Prokopiou, Markella, Martinerie, Patricia, Sapart, Célia J., Witrant, Emmanuel, Monteil, Guillaume, Ishijima, Kentaro, Bernard, Sophie, Kaiser, Jan, Levin, Ingeborg, Blunier, Thomas, Etheridge, David, Dlugokencky, Ed, van de Wal, Roderik S. W., Röckmann, Thomas

“…N2O is currently the third most important anthropogenic greenhouse gas in terms of radiative forcing and its atmospheric mole fraction is rising steadily. To…”
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Constraining N.sub.2O emissions since 1940 using firn air isotope measurements in both hemispheres by Prokopiou, Markella, Martinerie, Patricia, Sapart, Célia J, Witrant, Emmanuel, Monteil, Guillaume, Ishijima, Kentaro, Bernard, Sophie, Kaiser, Jan, Levin, Ingeborg, Blunier, Thomas, Etheridge, David, Dlugokencky, Ed, van de Wal, Roderik S. W, Röckmann, Thomas

“…N.sub.2 O is currently the third most important anthropogenic greenhouse gas in terms of radiative forcing and its atmospheric mole fraction is rising…”
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