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Open AccessArticle

Heavy Rainfall Events and Mass Movements in the Funchal Area (Madeira, Portugal): Spatial Analysis and Susceptibility Assessment

Institute of Geography and Spatial Planning, University of Lisbon. Rua Branca Edmée Marques, Cidade Universitária, 1600-276 Lisboa, Portugal
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Atmosphere 2020, 11(1), 104; https://doi.org/10.3390/atmos11010104
Received: 14 November 2019 / Revised: 3 December 2019 / Accepted: 4 December 2019 / Published: 15 January 2020
(This article belongs to the Special Issue Climatological and Hydrological Processes in Mountain Regions)
The article presents new information on the spatial distribution of intense rainfall and a new map of susceptibility to the formation of mass movements in the mountainous streams of the municipality of Funchal, the capital of the Autonomous Region of Madeira, an archipelago of Portugal. The methodology that was adopted is based on the spatial analysis of weighted overlap of variables, with influence in the occurrence of hydro-geomorphological processes that are at the origin of catastrophic events, marked by the mobilization of solid material towards and along the fluvial channels. Intense precipitations are effectively the main triggering factor of mass movements, which is why their statistical characteristics and local contrasts are analyzed, to integrate this layer of information into the new susceptibility assessment model of mass movements produced in this article. This type of spatialized information is of strategic importance to support the planning of urban expansion, which requires a land use management practice in accordance with the existing risk in the Madeira Island.
Keywords: Funchal; mountain streams; mass movements; susceptibility; multi-criteria analysis Funchal; mountain streams; mass movements; susceptibility; multi-criteria analysis
MDPI and ACS Style

Lopes, S.; Fragoso, M.; Lopes, A. Heavy Rainfall Events and Mass Movements in the Funchal Area (Madeira, Portugal): Spatial Analysis and Susceptibility Assessment. Atmosphere 2020, 11, 104.

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