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| Titel |
Analysis of an intense bora event in the Adriatic area |
| VerfasserIn |
D. Cesini, S. Morelli, F. Parmiggiani |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1561-8633
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| Digitales Dokument |
URL |
| Erschienen |
In: Natural Hazards and Earth System Science ; 4, no. 2 ; Nr. 4, no. 2 (2004-04-19), S.323-337 |
| Datensatznummer |
250001590
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| Publikation (Nr.) |
 copernicus.org/nhess-4-323-2004.pdf |
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| Zusammenfassung |
| Numerical simulations of a bora event, recently occurred in the Adriatic area, are
presented. Two reference runs at different horizontal resolution (about 20km and 8km)
describe the case. Initial conditions for the atmospheric model integration are obtained
from ECMWF analyses. Satellite data are used for comparisons. A further run at horizontal
resolution of 8km, using initial satellite sea surface temperatures, is performed to
evaluate their impact on the low level wind over the Adriatic Sea. All the simulations
are carried out with 50 layers in the vertical. Numerous aspects of the simulations
are found to be in agreement with the understanding as well as the observational
knowledge of bora distinctive characteristics. Satellite data and model results indicate
that a more realistic simulation of the bora wind over the sea is achieved using the
model with 8km horizontal resolution and that the low level wind in this case is
sensitive, though weakly, to the difference between the used sea surface temperature
fields. Simulation results also show that both wind intensity and the area around
wind peaks tend to increase when relatively higher sea surface temperatures are used. |
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