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Particle-bound Be-10 from a low latitude arid region
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences, LUVAL.
Uppsala University, Disciplinary Domain of Science and Technology, För teknisk-naturvetenskapliga fakulteten gemensamma enheter, Tandem Laboratory.
2014 (English)In: Journal of Radioanalytical and Nuclear Chemistry, ISSN 0236-5731, E-ISSN 1588-2780, Vol. 299, no 3, 1709-1713 p.Article in journal (Refereed) Published
Abstract [en]

The Be-10 isotope is widely used in geochronology, climate and environmental analyses and astrophysics where atmospheric deposition model estimate plays a vital role for the initial concentration. Data from arid regions have not been well constrained because of sparse measurement and here we present Be-10 concentration in samples of dust, soil, marine sediments and paleosol collected from an arid to semi-arid low latitude region. These results indicate concentrations that are about a factor of three lower than values expected from latitude zonal models, but are comparable with global atmospheric depositional model. The agreement and discrepancy between model and measured data are rather vital for establishing accurate initial Be-10 in the Earth's surface environment for reconstruction of paleoclimatic variability (precipitation rates and temperature).

Place, publisher, year, edition, pages
2014. Vol. 299, no 3, 1709-1713 p.
Keyword [en]
Be-10, Arid regions, Dust, Soil, UAE
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-222752DOI: 10.1007/s10967-013-2853-8ISI: 000332034400071OAI: oai:DiVA.org:uu-222752DiVA: diva2:712203
Available from: 2014-04-14 Created: 2014-04-14 Last updated: 2017-12-05Bibliographically approved

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Aldahan, AlaPossnert, Göran

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