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| Titel |
Characteristics of high waves observed at multiple stations along the east coast of Korea |
| VerfasserIn |
S.-H. Oh, W.-M. Jeong |
| 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 ; 13, no. 12 ; Nr. 13, no. 12 (2013-12-23), S.3503-3514 |
| Datensatznummer |
250085601
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| Publikation (Nr.) |
 copernicus.org/nhess-13-3503-2013.pdf |
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| Zusammenfassung |
| In recent several years, extremely high waves occasionally struck the Korean
coast of the East Sea and caused severe coastal disasters almost every winter
season. In this paper, characteristics of such high waves are reported by
analyzing wave records collected at multiple stations along the east coast of
Korea. Meteorological data obtained at relevant weather stations were also
used in the analysis. The reason for appearance of the high waves was
identified as the strong northeasters due to extra-tropical low pressure
systems that had been rapidly developing in the East Sea. The general
mechanism concerning the formation and spatial evolution of such strong low
pressure systems was more clearly understood through the synthetic analysis
of the wave and meteorological data. In particular, the influence of
spatiotemporal features of the low pressure system on the resulting
characteristics of the high waves was described in more detail in this study.
Since the overall wave direction was also northeast, the first wave arrival
time on the coastline became later for a wave station whose latitude is
lower. At present, however, the arrival time of such high waves on the coast
as well as their intrinsic characteristics such as wave height and period are
not satisfactorily predicted by the daily weather forecast. Hence, it is
necessary to enhance predictability of the high waves by investigating
developmental mechanisms of the strong low pressure system in the winter
season more thoroughly. |
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