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dc.contributor.author
Lopez, Maria Laura
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dc.contributor.author
Avila, Eldo Edgardo
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dc.date.available
2018-05-31T21:53:16Z
dc.date.issued
2016-01
dc.identifier.citation
Lopez, Maria Laura; Avila, Eldo Edgardo; Influence of the ambient humidity on the concentration of natural deposition-mode ice-nucleating particles; Copernicus Publications; Atmospheric Chemistry and Physics; 16; 2; 1-2016; 927-932
dc.identifier.issn
1680-7316
dc.identifier.uri
http://hdl.handle.net/11336/46936
dc.description.abstract
This study reports measurements of deposition-mode ice-nucleating particle (INP) concentrations at ground level during the period July-December 2014 in Córdoba, Argentina. Ambient air was sampled into a cloud chamber where the INP concentration was measured at a temperature of -25°C and a 15% supersaturation over ice. Measurements were performed on days with different thermodynamic conditions, including rainy days. The effect of the relative humidity at ground level (RHamb) on the INP concentration was analyzed. The number of INPs activated varied from 1L-1 at RHamb of 25% to 30L-1 at RHamb of 90%. In general, a linear trend between the INP concentration and the RHamb was found, suggesting that this variability must be related to the effectiveness of the aerosols acting as INPs. From the backward trajectories analysis, it was found that the link between INP concentration and RHamb is independent of the origin of the air masses. The role of biological INPs and nucleation occurring in pores and cavities was discussed as a possible mechanism to explain the increase of the INP concentration during high ambient relative humidity events. This work provides valuable measurements of deposition-mode INP concentrations from the Southern Hemisphere where INP data are sparse so far.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Copernicus Publications
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
Ice Nuclei Particles
dc.subject
Deposition Mode
dc.subject
Ice Supersaturation
dc.subject
Heterogeneous Freezing
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Influence of the ambient humidity on the concentration of natural deposition-mode ice-nucleating particles
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-05-31T21:00:58Z
dc.identifier.eissn
1680-7324
dc.journal.volume
16
dc.journal.number
2
dc.journal.pagination
927-932
dc.journal.pais
Alemania
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dc.journal.ciudad
Gottingen
dc.description.fil
Fil: Lopez, Maria Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
dc.description.fil
Fil: Avila, Eldo Edgardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina
dc.journal.title
Atmospheric Chemistry and Physics
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.5194/acp-16-927-2016
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.atmos-chem-phys.net/16/927/2016/
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