A new methodology for mapping past rockfall events : from mobile crowdsourcing to rockfall simulation validation
Žabota, Barbara (Author), Kobal, Milan (Author)

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Rockfalls are one of the most common natural hazards in mountainous areas that pose high risk to people and their activities. Rockfall risk assessment is commonly performed with the use of models that can simulate the potential rockfall source, propagation and runout areas. The quality of the models can be improved by collecting data on past rockfall events. Mobile crowdsourcing is becoming a common approach for collecting field data by using smartphones, the main advantages of which are the use of a harmonised protocol, and the possibility of creating large datasets due to the simultaneous use by multiple users. This paper presents a new methodology for collecting past rockfall events with a mobile application, where the locations and attributes of rockfall source areas and rockfall deposits are collected, and the data are stored in an online database which can be accessed via the WebGIS platform. The methodology also presents an approach for calculating an actual source location based on viewshed analysis which greatly reduces the problem of field mapping of inaccessible source areas. Additionally, we present a rockfall database in the Alpine Space that has been created by the presented methodology, and an application of collected data for the calibration and validation of two rockfall models (CONEFALL and Rockyfor3D).

Keywords:natural hazards, rockfall, database, WebGIS, smartphones, crowdsourcing, modelling, mapping
Work type:Article (dk_c)
Tipology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Number of pages:Str.
Numbering:article 514, iss. 9
ISSN on article:2220-9964
DOI:10.3390/ijgi9090514 This link opens in a new window
COBISS.SI-ID:28771331 This link opens in a new window
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Record is a part of a journal

Title:ISPRS international journal of geo-information
Shortened title:ISPRS int. j. geo-inf.
COBISS.SI-ID:18678550 This link opens in a new window

Document is financed by a project

Funding Programme:Interreg, Alpine Space
Project no.:ASP 462

Funding Programme:Interreg, Alpine Space
Project no.:ASP 635


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:08.10.2020

Secondary language

Keywords:naravne nevarnosti, skalni podor, podatkovna baza, WebGIS, pametni telefoni, množično zunanje izvajanje, modeliranje, kartiranje

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