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| Titel |
Implementation and validation of a coastal forecasting system for wind waves in the Mediterranean Sea |
| VerfasserIn |
R. Inghilesi, F. Catini, G. Bellotti, L. Franco, A. Orasi, S. Corsini |
| 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 ; 12, no. 2 ; Nr. 12, no. 2 (2012-02-29), S.485-494 |
| Datensatznummer |
250010516
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| Publikation (Nr.) |
 copernicus.org/nhess-12-485-2012.pdf |
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| Zusammenfassung |
| A coastal forecasting system was implemented to provide wind wave
forecasts over the whole Mediterranean Sea area, and with the added
capability to focus on selected coastal areas. The goal of the system was to
achieve a representation of the small-scale coastal processes influencing the
propagation of waves towards the coasts. The system was based on a chain of
nested wave models and adopted the WAve Model (WAM) to analyse the
large-scale, deep-sea propagation of waves; and the Simulating WAves Nearshore
(SWAN) to simulate waves in key coastal areas. Regional intermediate-scale
WAM grids were introduced to bridge the gap between the large-scale and each
coastal area. Even applying two consecutive nestings (Mediterranean grid
→ regional grid → coastal grid),
a very high resolution was still required
for the large scale WAM implementation in order to get a final resolution of
about 400 m on the shores. In this study three regional areas in the
Tyrrhenian Sea were selected, with a single coastal area embedded in each of
them. The number of regional and coastal grids in the system could easily be
modified without significantly affecting the efficiency of the system. The
coastal system was tested in three Italian coastal regions in order to
optimize the numerical parameters and to check the results in orographically
complex zones for which wave records were available. Fifteen storm events in
the period 2004–2009 were considered. |
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