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Titel |
Rainfall and land use empirically coupled to forecast landslides in the Esino river basin, central Italy |
VerfasserIn |
E. Gioia, T. Carone, F. Marincioni |
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. 6 ; Nr. 15, no. 6 (2015-06-19), S.1289-1295 |
Datensatznummer |
250119537
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Publikation (Nr.) |
copernicus.org/nhess-15-1289-2015.pdf |
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Zusammenfassung |
A coupled empirical approach to highlight relationships between rainfall,
vegetation segmentation, and landslide occurrence is discussed. To reveal
such links, two important rainfall events, which occurred over the Esino river
basin in central Italy in November 2013 and May 2014, were analysed. The
correlation between rainfall and landslides was evaluated by applying an
intensity–duration (ID) threshold method, whereas the correlation between
vegetation segmentation and landslides was investigated using
morphological spatial pattern analysis (MSPA). This coupled approach
represents an attempt to find both timing and location of landslide
occurrence through an empirical (black box) analysis. Results showed:
(i) the ID minimum threshold proposed in a previous study (Gioia et al.,
2015) to be verified as an effective equation to assess the rainfall
conditions likely to trigger landslides in the study area ("when"), and
(ii) the core areas and the fragmented vegetation structures defined by the
MSPA to be the most affected by slope failures ("where"). These encouraging
findings prompt additional testing and the application of such a coupled
empirical approach so that it is possible to achieve an integrated basis for landslide forecasting. |
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