Analyse des isotopes de l'helium dans la calotte polaire Antarctique: resultats preliminaires au site Vostok

Translated title of the contribution: Measurement of helium istopes in Antarctic ice: preliminary results from Vostok

P. Jean-Baptiste, D. Raynaud, F. Mantisi, Todd Anthony Sowers, N. Barkov

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Samples of ice from a short core drilled at the Vostok station were analysed for 3He and 4He. The samples were taken from below the firn-ice transition region (which lies 90-100 m below the surface). Results suggest that between 27 and 42% of the initial helium had escaped before the ice samples were incorporated into the copper sample tubes. The different causes of bias, principally linked to the high diffusivity of He in ice, are reviewed and discussed. There is an abridged English version. -from English summary

Original languageFrench
Pages (from-to)491-497
Number of pages7
JournalComptes Rendus - Academie des Sciences, Serie II
Volume316
Issue number4
StatePublished - Jan 1 1993

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helium
Helium
Ice
ice
firn
diffusivity
copper
Copper

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Engineering(all)
  • Earth and Planetary Sciences(all)

Cite this

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Analyse des isotopes de l'helium dans la calotte polaire Antarctique : resultats preliminaires au site Vostok. / Jean-Baptiste, P.; Raynaud, D.; Mantisi, F.; Sowers, Todd Anthony; Barkov, N.

In: Comptes Rendus - Academie des Sciences, Serie II, Vol. 316, No. 4, 01.01.1993, p. 491-497.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Sowers, Todd Anthony

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