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dc.contributor.author
Lohaiza, Flavia Analia
dc.contributor.author
Velasco, Ricardo Hugo
dc.contributor.author
Juri Ayub, Jimena
dc.contributor.author
Rizzotto, Marcos Gregorio
dc.contributor.author
Di Gregorio, Daniel Edgardo
dc.contributor.author
Huck, Hugo Alberto
dc.contributor.author
Valladares, Diego Leonardo
dc.date.available
2016-05-23T20:30:22Z
dc.date.issued
2014-04
dc.identifier.citation
Lohaiza, Flavia Analia; Velasco, Ricardo Hugo; Juri Ayub, Jimena; Rizzotto, Marcos Gregorio; Di Gregorio, Daniel Edgardo; et al.; Annual variation of 7Be soil inventory in a semiarid region of central Argentina; Elsevier; Journal of Environmental Radioactivity; 130; 4-2014; 72-77
dc.identifier.issn
0265-931X
dc.identifier.uri
http://hdl.handle.net/11336/5797
dc.description.abstract
Reliable information on environmental radionuclides atmospheric entrance, and their distribution along the soil profile, is a necessary condition for using these soil and sediment tracers to investigate key environmental processes. To address this need, 7Be content in rainwater and the wet deposition in a semiarid region at San Luis Province, Argentina, were studied. Following these researches, in the same region, we have assessed the 7Be content along a soil profile, during 2.5 years from September 2009 to January 2012. As expected, the specific activity values in soil samples in the wet period (NovembereApril) were higher than in the dry period (MayeOctober). During the investigated period (2009 e beginning 2012) and for all sampled points, the maximum value of the 7Be specific activity (Bq/kg was measured at the surface level. A typical decreasing exponential function of 7Be areal activity (Bq/m2) with soil mass depth (kg/m2) was found and the key distribution parameters were determined for each month. The minimum value of areal activity was 51 Bq/m2 in August, and the maximum was 438 Bq/m2 in February. The relaxation mass depth ranges from 2.9 kg/m2 in March to 1.3 kg/m2 in August. 7Be wet deposition can explain in a very significant proportion the 7Be inventory in soil. During the period of winds in the region (September and October), the 7Be content in soil was greater than the expected contribution from wet deposition, situation that is compatible with a higher relative contribution of dry deposition at this period of the year.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
7be
dc.subject
7be Areal Activity
dc.subject
Relaxation Mass Depth
dc.subject
Arid Environments
dc.subject
Central Argentina
dc.subject.classification
Ciencias Medioambientales
dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Annual variation of 7Be soil inventory in a semiarid region of central Argentina
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-05-16T20:08:46Z
dc.journal.volume
130
dc.journal.pagination
72-77
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Lohaiza, Flavia Analia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Matemática Aplicada de San Luis; Argentina
dc.description.fil
Fil: Velasco, Ricardo Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Matemática Aplicada de San Luis; Argentina
dc.description.fil
Fil: Juri Ayub, Jimena. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Matemática Aplicada de San Luis; Argentina
dc.description.fil
Fil: Rizzotto, Marcos Gregorio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Matemática Aplicada de San Luis; Argentina
dc.description.fil
Fil: Di Gregorio, Daniel Edgardo. Comision Nacional de Energia Atomica. Gerencia Quimica. CAC; Argentina. Universidad Nacional de San Martín; Argentina
dc.description.fil
Fil: Huck, Hugo Alberto. Comision Nacional de Energia Atomica. Gerencia Quimica. CAC; Argentina. Universidad Nacional de San Martín; Argentina
dc.description.fil
Fil: Valladares, Diego Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Matemática Aplicada de San Luis; Argentina
dc.journal.title
Journal of Environmental Radioactivity
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0265931X14000095
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jenvrad.2014.01.006
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jenvrad.2014.01.006
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