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Plutonium from Global Fallout Recorded in an Ice Core from the Belukha Glacier, Siberian Altai

Olivier, S; Bajo, Sixto; Fifield, L Keith; Gaggeler, H W; Papina, Tatyana; Santschi, P; Schotterer, U; Schwikowski, Margit; Wacker, L.

Description

Ice cores from glaciers situated near anthropogenic sources of air pollution provide important archives of the emissions of species with short atmospheric lifetimes. Here we present the history of atmospheric Pu fallout reconstructed from an ice core from the Belukha glacier in the Siberian Altai. Fourteen ice core samples covering the time period 1941-1986 were selected for Pu analysis, chemically processed, and measured using accelerator mass spectrometry. The Pu concentration peaks in 1963,...[Show more]

dc.contributor.authorOlivier, S
dc.contributor.authorBajo, Sixto
dc.contributor.authorFifield, L Keith
dc.contributor.authorGaggeler, H W
dc.contributor.authorPapina, Tatyana
dc.contributor.authorSantschi, P
dc.contributor.authorSchotterer, U
dc.contributor.authorSchwikowski, Margit
dc.contributor.authorWacker, L.
dc.date.accessioned2015-12-13T23:07:49Z
dc.identifier.issn0013-936X
dc.identifier.urihttp://hdl.handle.net/1885/86369
dc.description.abstractIce cores from glaciers situated near anthropogenic sources of air pollution provide important archives of the emissions of species with short atmospheric lifetimes. Here we present the history of atmospheric Pu fallout reconstructed from an ice core from the Belukha glacier in the Siberian Altai. Fourteen ice core samples covering the time period 1941-1986 were selected for Pu analysis, chemically processed, and measured using accelerator mass spectrometry. The Pu concentration peaks in 1963, coinciding with the maximum of the nuclear weapons tests and in concordance with the3H activity concentration peak. The shapes of the239Pu and3H profiles reflect two main periods of atmospheric nuclear test activity: premoratorium testing before 1958 and postmoratorium testing in 1961 and 1962. Premoratorium tests contribute about 45% of the integrated Pu inventory. The average240Pu/239Pu isotopic ratio is 0.18 ± 0.05, indicating that a large majority of the Pu in the Belukha glacier originates from global stratospheric fallout rather than from direct tropospheric input.
dc.publisherAmerican Chemical Society
dc.sourceEnvironmental Science and Technology
dc.subjectKeywords: Air pollution; Glaciers; Ice; Mass spectrometry; Ordnance; Particulate emissions; Troposphere; Upper atmosphere; Global fallout; Ice core; Nuclear weapons; Postmoratorium testing; Plutonium; plutonium; atmospheric deposition; fallout; ice core; plutonium;
dc.titlePlutonium from Global Fallout Recorded in an Ice Core from the Belukha Glacier, Siberian Altai
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume38
dc.date.issued2004
local.identifier.absfor039901 - Environmental Chemistry (incl. Atmospheric Chemistry)
local.identifier.ariespublicationMigratedxPub15232
local.type.statusPublished Version
local.contributor.affiliationOlivier, S, University of Bern
local.contributor.affiliationBajo, Sixto, Paul Scherrer Institut
local.contributor.affiliationFifield, L Keith, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationGaggeler, H W, University of Bern
local.contributor.affiliationPapina, Tatyana, Institute for Water and Environmental Problems
local.contributor.affiliationSantschi, P, Texas A&M University
local.contributor.affiliationSchotterer, U, University of Bern
local.contributor.affiliationSchwikowski, Margit, Paul Scherrer Institut
local.contributor.affiliationWacker, L., College of Physical and Mathematical Sciences, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.issue24
local.bibliographicCitation.startpage6507
local.bibliographicCitation.lastpage6512
local.identifier.doi10.1021/es0492900
dc.date.updated2015-12-12T08:10:52Z
local.identifier.scopusID2-s2.0-10644272740
CollectionsANU Research Publications

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