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| Titel |
Numerical study of the October 2007 flash flood in the Valencia region (Eastern Spain): the role of orography |
| VerfasserIn |
F. Pastor, I. Gómez, M. J. Estrela |
| 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 ; 10, no. 6 ; Nr. 10, no. 6 (2010-06-25), S.1331-1345 |
| Datensatznummer |
250008239
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| Publikation (Nr.) |
 copernicus.org/nhess-10-1331-2010.pdf |
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| Zusammenfassung |
| A torrential rain event took place in the Valencia region in October 2007,
mainly affecting coastal areas and nearby mountains in the center-south of
the region, in northern Alicante province. More than 400 mm in 24 h were
recorded at some stations in these areas, with lower accumulations in the
rest of the region where rainfall was less intense. In the first part of this
work a description of the meteorological situation is given. The synoptic
frame of the event is characterised by an advection of easterly maritime
winds across the Western Mediterranean, lasting for at least 48 h, driving
moist air towards the Iberian Peninsula eastern coast and the presence of an
upper level isolated low over Eastern Iberian Peninsula. Then, the results of
numerical simulations using the Regional Atmospheric Modelling System model
are shown to study the rain event in detail. The Regional Atmospheric
Modelling System reproduces satisfactorily the spatial distribution of the
rainfall and the rain period, but it underestimates precipitation in the
areas with the most intense values. Finally, a sensitivity test was performed
in order to evaluate the role of orography in the rain event, showing the
importance of orography as a triggering mechanism. |
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