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dc.contributor.author
Steinke, I.
dc.contributor.author
Funk, R.
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Busse, J.
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Iturri, Laura Antonela
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Kirchen, S.
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Leue, M.
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Möhler, O.
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Schwartz, T.
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Schnaiter, M.
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Sierau, B.
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Toprak, E.
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Ullrich, R.
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Ulrich, A.
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Hoose, C.
dc.contributor.author
Leisner, T.
dc.date.available
2019-08-13T19:07:21Z
dc.date.issued
2016-11
dc.identifier.citation
Steinke, I.; Funk, R.; Busse, J.; Iturri, Laura Antonela; Kirchen, S.; et al.; Ice nucleation activity of agricultural soil dust aerosols from Mongolia, Argentina, and Germany; American Geophysical Union; Journal of Geophysical Research; 121; 22; 11-2016; 13,559-13,576
dc.identifier.issn
0148-0227
dc.identifier.uri
http://hdl.handle.net/11336/81573
dc.description.abstract
Soil dust particles emitted from agricultural areas contain considerable mass fractions of organic material. Also, soil dust particles may act as carriers for potentially ice-active biological particles. In this work, we present ice nucleation experiments conducted in the Aerosol Interaction and Dynamics in the Atmosphere (AIDA) cloud chamber. We investigated the ice nucleation efficiency of four types of soil dust from different regions of the world. The results are expressed as ice nucleation active surface site (INAS) densities and presented for the immersion freezing and the deposition nucleation mode. For immersion freezing occurring at 254 K, samples from Argentina, China, and Germany show ice nucleation efficiencies which are by a factor of 10 higher than desert dusts. On average, the difference in ice nucleation efficiencies between agricultural and desert dusts becomes significantly smaller at temperatures below 247 K. In the deposition mode the soil dusts showed higher ice nucleation activity than Arizona Test Dust over a temperature range between 232 and 248 K and humidities RHice up to 125%. INAS densities varied between 109 and 1011m-2 for these thermodynamic conditions. For one soil dust sample (Argentinian Soil), the effect of treatments with heat was investigated. Heat treatments (383 K) did not affect the ice nucleation efficiency observed at 249 K. This finding presumably excludes proteinaceous ice-nucleating entities as the only source of the increased ice nucleation efficiency.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Geophysical Union
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Clouds And Aerosols
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Heterogeneuos Ice Nucleation
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Soil Dust
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Geociencias multidisciplinaria
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
dc.title
Ice nucleation activity of agricultural soil dust aerosols from Mongolia, Argentina, and Germany
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-08-12T13:40:37Z
dc.journal.volume
121
dc.journal.number
22
dc.journal.pagination
13,559-13,576
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Steinke, I.. Karlsruhe Institute of Technology; Alemania
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Fil: Funk, R.. Leibniz Centre for Agricultural Landscape Research; Alemania
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Fil: Busse, J.. Leibniz Centre for Agricultural Landscape Research; Alemania
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Fil: Iturri, Laura Antonela. Universidad Nacional de La Pampa; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias de la Tierra y Ambientales de La Pampa. Universidad Nacional de La Pampa. Facultad de Ciencias Exactas y Naturales. Instituto de Ciencias de la Tierra y Ambientales de La Pampa; Argentina
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Fil: Kirchen, S.. Karlsruhe Institute of Technology; Alemania
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Fil: Leue, M.. Leibniz Centre for Agricultural Landscape Research; Alemania
dc.description.fil
Fil: Möhler, O.. Karlsruhe Institute of Technology; Alemania
dc.description.fil
Fil: Schwartz, T.. Universidad Nacional de La Pampa; Argentina
dc.description.fil
Fil: Schnaiter, M.. Karlsruhe Institute of Technology; Alemania
dc.description.fil
Fil: Sierau, B.. Institute for Atmospheric and Climate Science; Suiza
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Fil: Toprak, E.. Karlsruhe Institute of Technology; Alemania
dc.description.fil
Fil: Ullrich, R.. Karlsruhe Institute of Technology; Alemania
dc.description.fil
Fil: Ulrich, A.. Leibniz Centre for Agricultural Landscape Research; Alemania
dc.description.fil
Fil: Hoose, C.. Karlsruhe Institute of Technology; Alemania
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Fil: Leisner, T.. Karlsruhe Institute of Technology; Alemania. Heidelberg University; Alemania
dc.journal.title
Journal of Geophysical Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/2016JD025160
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2016JD025160
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