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Casado, Mathieu; Landais, Amaëlle; Picard, Ghislain; Arnaud, Laurent; Dreossi, Giuliano; Stenni, Barbara; Prié, Frédéric (2021): Surface snow triple isotopic composition at Dome C, Antarctica [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.934273

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Abstract:
Water isotope ratios of ice cores are a key source of information on past temperatures. Throughout the hydrological cycle, temperature is imprinted in the water isotopic composition of snowfalls. However, this signal of climatic interest is modified after deposition when snow remains at the surface exposed to the atmosphere. Comparing time series of surface snow isotopic composition at Dome C with satellite observations of surface snow metamorphism, we found that long summer periods without precipitation favour surface snow metamorphism altering the surface snow isotopic composition. Using excess parameters (combining D,17O, and 18O fractions) allow the identification of this alteration caused by sublimation and condensation of surface hoar. The combined measurement of all three isotopic compositions could help identifying ice core sections influenced by snow metamorphism in sites with very low snow accumulation.
Keyword(s):
Antarctica; excess; metamorphism; surface snow; water isotopes
Supplement to:
Casado, Mathieu; Landais, Amaëlle; Picard, Ghislain; Arnaud, Laurent; Dreossi, Giuliano; Stenni, Barbara; Prié, Frédéric (2021): Water isotopic signature of surface snow metamorphism in Antarctica. Geophysical Research Letters, https://doi.org/10.1029/2021GL093382
Source:
Casado, Mathieu; Landais, Amaëlle; Picard, Ghislain; Münch, Thomas; Laepple, Thomas; Stenni, Barbara; Dreossi, Giuliano; Ekaykin, Alexey A; Arnaud, Laurent; Genthon, Christophe; Touzeau, Alexandra; Masson-Delmotte, Valerie; Jouzel, Jean (2018): Archival processes of the water stable isotope signal in East Antarctic ice cores. The Cryosphere, 12(5), 1745-1766, https://doi.org/10.5194/tc-12-1745-2018
Leduc-Leballeur, Marion; Picard, Ghislain; Macelloni, Giovanni; Arnaud, Laurent; Brogioni, Marco; Mialon, Arnaud; Kerr, Yann H (2017): Influence of snow surface properties on L-band brightness temperature at Dome C, Antarctica. Remote Sensing of Environment, 199, 427-436, https://doi.org/10.1016/j.rse.2017.07.035
Picard, Ghislain; Domine, Florent; Krinner, Gerhard; Arnaud, Laurent; Lefebvre, E (2012): Inhibition of the positive snow-albedo feedback by precipitation in interior Antarctica. Nature Climate Change, 2(11), 795-798, https://doi.org/10.1038/nclimate1590
Stenni, Barbara; Scarchilli, Claudio; Masson-Delmotte, Valerie; Schlosser, Elisabeth; Ciardini, Virginia; Dreossi, Giuliano; Grigioni, Paolo; Bonazza, Mattia; Cagnati, Anselmo; Karlicek, Daniele; Risi, Camille; Udisti, Roberto; Valt, Mauro (2016): Three-year monitoring of stable isotopes of precipitation at Concordia Station, East Antarctica. The Cryosphere, 10(5), 2415-2428, https://doi.org/10.5194/tc-10-2415-2016
Touzeau, Alexandra; Landais, Amaëlle; Stenni, Barbara; Uemura, Ryu; Fukui, Kotaro; Fujita, Shuji; Guilbaud, Sarah; Ekaykin, Alexey A; Casado, Mathieu; Barkan, Eugeni; Luz, Boaz; Magand, Olivier; Teste, Grégory; Le Meur, Emmanuel; Baroni, Mélanie; Savarino, Joël; Bourgeois, Ilann; Risi, Camille (2016): Acquisition of isotopic composition for surface snow in East Antarctica and the links to climatic parameters. The Cryosphere, 10(2), 837-852, https://doi.org/10.5194/tc-10-837-2016
Project(s):
Quantitative picture of interactions between climate, hydrological cycle and stratospheric inputs in Antarctica over the last 100 years via the combined use of all water isotopes (COMBINISO)
Funding:
Seventh Framework Programme (FP7), grant/award no. 306045: Quantitative picture of interactions between climate, hydrological cycle and stratospheric inputs in Antarctica over the last 100 years via the combined use of all water isotopes
Coverage:
Latitude: -75.100000 * Longitude: 123.350000
Date/Time Start: 1998-10-26T00:00:00 * Date/Time End: 2018-04-30T00:00:00
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
9 datasets

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Datasets listed in this bundled publication

  1. Leduc-Leballeur, M; Picard, G; Macelloni, G et al. (2021): Snow density at Dome C, Antarctica in 2015. https://doi.org/10.1594/PANGAEA.934373
  2. Leduc-Leballeur, M; Picard, G; Macelloni, G et al. (2021): Surface elevation at Dome C, Antarctica in 2015. https://doi.org/10.1594/PANGAEA.934372
  3. Picard, G; Arnaud, L; Casado, M et al. (2021): Grain index of surface snow at Dome C, Antarctica in 1998-2016. https://doi.org/10.1594/PANGAEA.934369
  4. Stenni, B; Scarchilli, C; Masson-Delmotte, V et al. (2021): Stable isotopes of precipitation at Concordia Station, East Antarctica, 2007-2014. https://doi.org/10.1594/PANGAEA.934270
  5. Touzeau, A; Landais, A; Stenni, B et al. (2021): Isotopic composition of precipitation in East Antarctica in 2010. https://doi.org/10.1594/PANGAEA.934269
  6. Casado, M; Landais, A; Picard, G et al. (2021): Isotopic composition of sub-surface snow in East Antarctica in 2013-2014. https://doi.org/10.1594/PANGAEA.934348
  7. Casado, M; Landais, A; Picard, G et al. (2021): Isotopic composition of surface snow at Dome C, Antarctica in 2013-2018. https://doi.org/10.1594/PANGAEA.934415
  8. Casado, M; Landais, A; Picard, G et al. (2021): Isotopic composition of surface snow in East Antarctica in 2012-2014. https://doi.org/10.1594/PANGAEA.934345
  9. Touzeau, A; Landais, A; Stenni, B et al. (2021): Isotopic composition of surface snow in East Antarctica in 2010/2011. https://doi.org/10.1594/PANGAEA.934285