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Societal consequenses of landslides - landslide risk mapping in Säveån river valley, Sweden
Statens geotekniska institut.
Statens geotekniska institut.
Statens geotekniska institut.
Statens geotekniska institut.
Vise andre og tillknytning
2019 (engelsk)Inngår i: ECSMGE 2019 - Geotechnical Engineering Foundation of the Future: Proceedings of the 17th European Conference on Soil Mechanics and Geotechnical Engineering, Reykjavik, 1-6 September, 2019 / [ed] Sigursteinsson, H, Erlingsson, S, Bessason, B, Reykjavik: Icelandic Geotechnical Society , 2019, s. 1-8Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Measures to prevent landslides are an important part of the urban planning process, both with regard to the present-day climate and to long-term climate change. Landslide risk maps provide an illustration of the location of sensitive areas that may require investigation in more detail. These illustrations are achieved by mapping the geotechnical conditions and the societal consequences that could arise in conjunction with a landslide. Landslides could potentially impact a large number of people and key societal functions. Alongside the computation of the probability of a landslide in the land-slide risk mapping, the consequences of a landslide in the river valley also need to be assessed. In this study, the consequences for buildings and transport routes in the area of analysis, as well as contaminated areas (MIFO-classified areas), were evaluated qualitatively based on four aspects: life, environment, economic impact and societal function. The classification was performed in a GIS-environment using nationally available data of buildings, roads and railway networks. Contaminated land areas were digitized and classified in cooperation/collaboration with the County Administrative Board and local authorities. The consequences were divided into five categories and visualised in 10 x 10 m squares. This paper traces the methodological potentials and challenges of valuing and mapping the societal consequences of landslides in the Säveån river valley, in southwestern Sweden.

sted, utgiver, år, opplag, sider
Reykjavik: Icelandic Geotechnical Society , 2019. s. 1-8
Emneord [en]
Clay, Silt, Landslide, Slope, Stability, Mapping, Risk assessment, Climate change, Time factor, River, Säveån, Sweden, Conference, Reykjavik, 2019, English
HSV kategori
Identifikatorer
URN: urn:nbn:se:swedgeo:diva-803DOI: 10.32075/17ECSMGE-2019-0718Lokal ID: 000086296OAI: oai:DiVA.org:swedgeo-803DiVA, id: diva2:1357937
Konferanse
17th European Conference on Soil Mechanics and Geotechnical Engineering, Reykjavik, 1-6 September, 2019
Tilgjengelig fra: 2019-10-04 Laget: 2019-10-04 Sist oppdatert: 2019-10-18

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