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Equilibrium oxygen- and hydrogen-isotope fractionation between ice and water

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dc.contributor.authorLehmann, M.
dc.contributor.authorSiegenthaler, U.
dc.date.accessioned2024-09-02T17:48:47Z
dc.date.available2024-09-02T17:48:47Z
dc.date.issued1991
dc.description.abstractWe have performed high-precision measurements of the isotope-fractionation factors between ice and water. Ice was grown from a stirred water mass on a cooling plate. The freezing velocity was varied, keeping the stirring rate of the water constant, so that the equilibrium fractionation factors could be determined by extrapolating to zero freezing velocity. The resulting values are ∝ (18O/16O) = 1.00291 ± 0.00003 and ∝ (D/H) = 1.0212 ± 0.0004. Non-equilibrium freezing of lake and sea ice is briefly discussed as well as the significance of our results for the deuterium excess in polar precipitation.
dc.description.numberOfPages4
dc.identifier.doi10.48350/158678
dc.identifier.publisherDOI10.3189/S0022143000042751
dc.identifier.urihttps://boris-portal.unibe.ch/handle/20.500.12422/43295
dc.language.isoen
dc.publisherInternational Glaciological Society
dc.relation.ispartofJournal of glaciology
dc.relation.issn0022-1430
dc.relation.organizationDCD5A442BF29E17DE0405C82790C4DE2
dc.subject.ddc500 - Science::530 - Physics
dc.titleEquilibrium oxygen- and hydrogen-isotope fractionation between ice and water
dc.typearticle
dspace.entity.typePublication
oaire.citation.endPage26
oaire.citation.issue125
oaire.citation.startPage23
oaire.citation.volume37
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unibe.date.licenseChanged2021-10-07 07:21:48
unibe.description.ispublishedpub
unibe.eprints.legacyId158678
unibe.journal.abbrevTitleJ GLACIOL
unibe.refereedTRUE
unibe.subtype.articlejournal

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