气候变化领域集成服务门户(CCPortal): Landslides along the Lago Maggiore western coast (northern Italy): intense rainfall as trigger or concomitant cause?

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DOI	10.1007/s11069-021-04626-8
	Landslides along the Lago Maggiore western coast (northern Italy): intense rainfall as trigger or concomitant cause?
	Ciampittiello M.; Saidi H.; Dresti C.; Coluccino M.; Turconi L.; Little W.W.; Luino F.
发表日期	2021
ISSN	0921030X
起始页码	1225
结束页码	1250
卷号	107 期号:2
英文摘要	The Lago Maggiore catchment is characterized by medium to high altitude (up to 4633 m a.s.l. with a median of 1270 m a.s.l.), high precipitation (~ 1700 mm/yr), and brittle tectonic deformation of impermeable rocks, such as granite and gneiss, that are characterized by a predisposition to slope failure. We analysed daily rainfall data associated with 38 landslides that occurred between 1980 and 2017 from meteorological stations placed into four sub-basins. The purpose was to determine whether or not extreme rainfall events exceeded landslides thresholds reported by previous studies. A statistical analysis using the RClimDex package was done, to verify changes in extreme rainfall over time. A spatial approach using Inverse Distance Weighting (IDW) in QGIS was used to extrapolate rainfall data specific to landslide areas, as well as GIS techniques and processing tools to conduct geomorphic analyses. Finally, a multivariate analysis, (general linear model), was used to understand associations between variables (landslide types, lithology, valley, elevation, slope, land use, rainfall, and the presence of rivers, roads, paths, and buildings), known to affect the generation of landslides. Results show extreme rainfall events to be a secondary factor in the triggering of landslides, whereas the most significant factors are presence of building, proximity to rivers and lithology. It was found that intense rainfall is a concomitant cause to landslides in some instances but does not play a role in others. © 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature.
关键词	Extreme rainfall events GLM method Landslides QGIS Slope instability
英文关键词	extreme event; GIS; landslide; multiple regression; rainfall; slope failure; slope stability; Italy; Lake Maggiore
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/206164
作者单位	Istituto di Ricerca sulle Acque, National Research Council (CNR IRSA), Largo Tonolli 50, Verbania, 28922, Italy; Provincia del Verbano Cusio Ossola - Difesa del suolo, Assetto Idrogeologico Cartografico (GIS), Strada dell’Industria 25, Verbania, 28924, Italy; Istituto di Ricerca Per la Protezione Idrogeologica, National Research Council (CNR IRPI), Strada Delle Cacce 73, Torino, 10135, Italy; Brigham Young University-Idaho, 525 South Center Street, Rexburg, ID 83460-0510, United States
推荐引用方式 GB/T 7714	Ciampittiello M.,Saidi H.,Dresti C.,et al. Landslides along the Lago Maggiore western coast (northern Italy): intense rainfall as trigger or concomitant cause?[J],2021,107(2).
APA	Ciampittiello M..,Saidi H..,Dresti C..,Coluccino M..,Turconi L..,...&Luino F..(2021).Landslides along the Lago Maggiore western coast (northern Italy): intense rainfall as trigger or concomitant cause?.Natural Hazards,107(2).
MLA	Ciampittiello M.,et al."Landslides along the Lago Maggiore western coast (northern Italy): intense rainfall as trigger or concomitant cause?".Natural Hazards 107.2(2021).