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| Titel |
Determination of rainfall thresholds for shallow landslides by a probabilistic and empirical method |
| VerfasserIn |
J. Huang, N. P. Ju, Y. J. Liao, D. D. Liu |
| 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 Sciences ; 15, no. 12 ; Nr. 15, no. 12 (2015-12-21), S.2715-2723 |
| Datensatznummer |
250119824
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| Publikation (Nr.) |
 copernicus.org/nhess-15-2715-2015.pdf |
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| Zusammenfassung |
| Rainfall-induced landslides not only cause property loss, but also kill and
injure large numbers of people every year in mountainous areas in China.
These losses and casualties may be avoided to some extent with rainfall
threshold values used in an early warning system at a regional scale for the
occurrence of landslides. However, the limited availability of data always
causes difficulties. In this paper we present a method to calculate rainfall
threshold values with limited data sets for two rainfall parameters:
hourly rainfall intensity and accumulated precipitation. The method has been
applied to the Huangshan region, in the province of Anhui, China. Four early
warning levels (zero, outlook, attention, and warning) have been adopted and
the corresponding rainfall threshold values have been defined by probability
lines. A validation procedure showed that this method can significantly
enhance the effectiveness of a warning system, and finally reduce and
mitigate the risk of shallow landslides in mountainous regions. |
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