IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2014  > Vol11 No.2
Debris Flows Risk Analysis and Direct Loss Estimation: the Case Study of Valtellina di Tirano, Italy
Jan BLAHUT; Thomas GLADE; Simone STERLACCHINI
Corresponding AuthorJan BLAHUT
2014-03
Source PublicationJournal of Mountain Science
Volume11Issue:2Pages:288-307
AbstractLandslide risk analysis is one of the primary studies providing essential instructions to the subsequent risk management process. The quantification of tangible and intangible potential losses is a critical step because it provides essential data upon which judgments can be made and policy can be formulated. This study aims at quantifying direct economic losses from debris flows at a medium scale in the study area in Italian Central Alps. Available hazard maps were the main inputs of this study. These maps were overlaid with information concerning elements at risk and their economic value. Then, a combination of both market and construction values was used to obtain estimates of future economic losses. As a result, two direct economic risk maps were prepared together with risk curves, useful to summarize expected monetary damage against the respective hazard probability. Afterwards, a qualitative risk map derived using a risk matrix officially provided by the set of laws issued by the regional government, was prepared. The results delimit areas of high economic as well as strategic importance which might be affected by debris flows in the future. Aside from limitations and inaccuracies inherently included in risk analysis process, identification of high risk areas allows local authorities to focus their attention on the “hot-spots”, where important consequences may arise and local (large) scale analysis needs to be performed with more precise cost-effectiveness ratio. The risk maps can be also used by the local authorities to increase population’s adaptive capacity in the disaster prevention process.
KeywordDebris Flows Risk Analysis Economic Losses Central Alps Italy
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/6844
CollectionJournal of Mountain Science_Journal of Mountain Science-2014_Vol11 No.2
Corresponding AuthorJan BLAHUT
Recommended Citation
GB/T 7714
Jan BLAHUT,Thomas GLADE,Simone STERLACCHINI. Debris Flows Risk Analysis and Direct Loss Estimation: the Case Study of Valtellina di Tirano, Italy[J]. Journal of Mountain Science,2014,11(2):288-307.
APA Jan BLAHUT,Thomas GLADE,&Simone STERLACCHINI.(2014).Debris Flows Risk Analysis and Direct Loss Estimation: the Case Study of Valtellina di Tirano, Italy.Journal of Mountain Science,11(2),288-307.
MLA Jan BLAHUT,et al."Debris Flows Risk Analysis and Direct Loss Estimation: the Case Study of Valtellina di Tirano, Italy".Journal of Mountain Science 11.2(2014):288-307.
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