Journal articles
Influence of Summer Sublimation on δD, δ 18 O, and δ 17 O in Precipitation, East Antarctica, and Implications for Climate Reconstruction From Ice Cores
Hongxi Pang
1
Shugui Hou
2
Amaëlle Landais
3
Valérie Masson-Delmotte
3
Jean Jouzel
4
Hans Steen-Larsen
Camille Risi
5
Wangbin Zhang
Shuangye Wu
Yuansheng Li
Chunlei An
6
Yetang Wang
Frederic Prie
Bénédicte Minster
Sonia Falourd
Barbara Stenni
Claudio Scarchilli
Koji Fujita
Paolo Grigioni
2
State Key Laboratory of Cryospheric Sciences (China)
- CAS - Chinese Academy of Sciences [Changchun Branch] (Dong Nanhu Road 3888 Changchun Jilin - China)
- Cold and Arid Regions Environmental and Engineering Research Institute (China)
3
LSCE - Laboratoire des Sciences du Climat et de l'Environnement [Gif-sur-Yvette] (Bât. 12,
avenue de la Terrasse,
F-91198 GIF-SUR-YVETTE CEDEX
- France)
- UVSQ - Université de Versailles Saint-Quentin-en-Yvelines : UMR8212 (55 avenue de Paris - 78035 Versailles cedex - France)
- CEA - Commissariat à l'énergie atomique et aux énergies alternatives : DRF/LSCE (Centre de Saclay Centre de Grenoble Centre de Cadarache etc - France)
- Université Paris-Saclay (Espace Technologique, Bat. Discovery - RD 128 - 2e ét., 91190 Saint-Aubin - France)
- INSU - CNRS - Institut national des sciences de l'Univers : UMR8212 (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- CNRS - Centre National de la Recherche Scientifique : UMR8212 (France)
4
IPSL - Institut Pierre-Simon-Laplace (4 Place Jussieu 75252 PARIS CEDEX 05 - France)
- ENS Paris - École normale supérieure - Paris (45, Rue d'Ulm - 75230 Paris cedex 05 - France)
- PSL - Université Paris sciences et lettres (60 rue Mazarine 75006 Paris - France)
- UVSQ - Université de Versailles Saint-Quentin-en-Yvelines (55 avenue de Paris - 78035 Versailles cedex - France)
- UPMC - Université Pierre et Marie Curie - Paris 6 (4 place Jussieu - 75005 Paris - France)
- CEA - Commissariat à l'énergie atomique et aux énergies alternatives (Centre de Saclay Centre de Grenoble Centre de Cadarache etc - France)
- CNES - Centre National d'Études Spatiales [Toulouse] (18 avenue Edouard Belin 31401 Toulouse - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- CNRS - Centre National de la Recherche Scientifique : FR636 (France)
- X - École polytechnique (École polytechnique, 91128 Palaiseau Cedex - France)
5
LMD - Laboratoire de Météorologie Dynamique (UMR 8539) (LMD ENS 24 Rue Lhomond 75231 Paris Cedex 05 - France)
- INSU - CNRS - Institut national des sciences de l'Univers (INSU-CNRS 3 rue Michel-Ange, 75794 Paris Cedex 16 - France)
- X - École polytechnique (École polytechnique, 91128 Palaiseau Cedex - France)
- ENPC - École des Ponts ParisTech (École des Ponts ParisTech 6-8 avenue Blaise-Pascal Cité Descartes 77455 Champs-sur-Marne Marne-la-Vallée cedex 2 - France)
- SU - Sorbonne Université (21 rue de l’École de médecine - 75006 Paris - France)
- CNRS - Centre National de la Recherche Scientifique : UMR8539 (France)
- Département des Géosciences - ENS Paris (24 rue Lhomond, 75005 Paris, France - France)
- ENS Paris - École normale supérieure - Paris (45, Rue d'Ulm - 75230 Paris cedex 05 - France)
- PSL - Université Paris sciences et lettres (60 rue Mazarine 75006 Paris - France)
- ENS Paris - École normale supérieure - Paris (45, Rue d'Ulm - 75230 Paris cedex 05 - France)
6
Technical University Hamburg Harburg [Hamburg] (21071 Hamburg - Germany)
Abstract : In central Antarctica, where accumulation rates are very low, summer sublimation of surface snow is a key element of the surface mass balance, but its fingerprint in isotopic composition of water (δD, δ 18 O, and δ 17 O) remains unclear. In this study, we examined the influence of summer sublimation on δD, δ 18 O, and δ 17 O in precipitation using data sets of isotopic composition of precipitation at various sites on the inland East Antarctica. We found unexpectedly low δ 18 O values in the summer precipitation, decoupled from surface air temperatures. This feature can be explained by the combined effects of weak or nonexistent temperature inversion and moisture recycling associated with sublimation-condensation processes in summer. Isotopic fractionation during the moisture-recycling process also explains the observed high values of d-excess and 17 O-excess in summer precipitation. Our results suggest that the local cycle of sublimation-condensation in summer is an important process for the isotopic composition of surface snow, water vapor, and consequently precipitation on inland East Antarctica.
Document type :
Journal articles
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https://hal-insu.archives-ouvertes.fr/insu-02346785
Contributor : Camille Risi <>
Submitted on : Tuesday, November 5, 2019 - 10:06:24 AM
Last modification on : Tuesday, September 22, 2020 - 3:51:22 AM
Long-term archiving on: : Thursday, February 6, 2020 - 6:50:31 PM
Contributor : Camille Risi <>
Submitted on : Tuesday, November 5, 2019 - 10:06:24 AM
Last modification on : Tuesday, September 22, 2020 - 3:51:22 AM
Long-term archiving on: : Thursday, February 6, 2020 - 6:50:31 PM
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Identifiers
- HAL Id : insu-02346785, version 1
- DOI : 10.1029/2018JD030218
Collections
INSU | X-LMD | UVSQ | CNRS | CEA | CEA-UPSAY | LSCE | X | ENPC | LMD | X-DEP-MECA | ENS-PARIS | SORBONNE-UNIVERSITE | PARISTECH | SU-SCIENCES | FR-636 | IP_PARIS | ENPC-LMD | UNIV-PARIS-SACLAY | CEA-DRF | UP-SCIENCES | LSCE-CEA | PSL
Citation
Hongxi Pang, Shugui Hou, Amaëlle Landais, Valérie Masson-Delmotte, Jean Jouzel, et al.. Influence of Summer Sublimation on δD, δ 18 O, and δ 17 O in Precipitation, East Antarctica, and Implications for Climate Reconstruction From Ice Cores. Journal of Geophysical Research: Atmospheres, American Geophysical Union, 2019, ⟨10.1029/2018JD030218⟩. ⟨insu-02346785⟩
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