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| Titel |
Monitoring presence and streaming patterns of Icelandic volcanic ash during its arrival to Slovenia |
| VerfasserIn |
F. Gao, S. Stanič, K. Bergant, T. Bolte, F. Coren, T.-Y. He, A. Hrabar, J. Jerman, A. Mladenovič, J. Turšič, D. Veberič, M. Iršič Žibert |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1726-4170
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| Digitales Dokument |
URL |
| Erschienen |
In: Biogeosciences ; 8, no. 8 ; Nr. 8, no. 8 (2011-08-29), S.2351-2363 |
| Datensatznummer |
250006088
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| Publikation (Nr.) |
 copernicus.org/bg-8-2351-2011.pdf |
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| Zusammenfassung |
| The eruption of the Eyjafjallajökull volcano starting on 14 April
2010 resulted in the spreading of volcanic ash over most parts of
Europe. In Slovenia, the presence of volcanic ash was monitored using
ground-based in-situ measurements, lidar-based remote sensing and
airborne in-situ measurements. Volcanic origin of the detected
aerosols was confirmed by subsequent spectral and chemical analysis of
the collected samples. The initial arrival of volcanic ash to Slovenia
was first detected through the analysis of precipitation, which
occurred on 17 April 2010 at 01:00 UTC and confirmed by
satellite-based remote sensing. At this time, the presence of low
clouds and occasional precipitation prevented ash monitoring using
lidar-based remote sensing. The second arrival of volcanic ash on 20
April 2010 was detected by both lidar-based remote sensing and
airborne in-situ measurements, revealing two or more elevated
atmospheric aerosol layers. The ash was not seen in satellite images
due to lower concentrations. The identification of aerosol samples
from ground-based and airborne in-situ measurements based on
energy-dispersive X-ray spectroscopy confirmed that a fraction of
particles were volcanic ash from the Eyjafjallajökull eruption. To
explain the history of the air masses bringing volcanic ash to
Slovenia, we analyzed airflow trajectories using ECMWF and HYSPLIT
models. |
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