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Export of ice nucleating particles from a watershed

Larsen, Jarl Are and Conen, Franz and Alewell, Christine. (2017) Export of ice nucleating particles from a watershed. Royal Society Open Science, 4 (8). p. 170213.

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Official URL: http://edoc.unibas.ch/56272/

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Abstract

Ice nucleating particles (INP) active at a few degrees below 0 degrees C are produced by a range of organisms and released into the environment. They may affect cloud properties and precipitation when becoming airborne. So far, our knowledge about sources of biological INP is based on grab samples of vegetation, soil or water studied in the laboratory. By combining measurements of INP concentrations in river water with river water discharge rates over the course of 16 months, we obtained a lower limit for the production rate of INP in a watershed covering most of Switzerland (4x10(5) INP-8 m(-2) d(-1)). Coincidentally, we found that INP-8 are likely to retain their potential for catalysing ice formation in the natural environment for at least several months before they aremobilized by an intensive rainfall, washed into the river and exported from the watershed.
Faculties and Departments:05 Faculty of Science > Departement Umweltwissenschaften > Umweltgeowissenschaften > Umweltgeowissenschaften (Alewell)
UniBasel Contributors:Conen, Franz and Alewell, Christine
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:The Royal Society
e-ISSN:2054-5703
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:18 Apr 2019 09:55
Deposited On:10 Oct 2017 07:16

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