期刊
GEOMORPHOLOGY
卷 293, 期 -, 页码 11-23出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.geomorph.2017.05.010
关键词
Landslide database; Press archives; Rainfall; Asturias
资金
- Department of Employment, Industry and Tourism of the Government of Asturias, Spain
- European Regional Development Fund FEDER [FC-15-GRUPIN14-044]
- Department of Geology at the University of Oviedo
- AEMET
- FECYT, Government of Spain
A landslide database has been created for the Principality of Asturias, NW Spain: the BAPA (Base de datos de Argayos del Principado de Asturias - Principality of Asturias Landslide Database). Data collection is mainly performed through searching local newspaper archives. Moreover, a BAPA App and a BAPA website (http://geol. uniovi.es/BAPA) have been developed to obtain additional information from citizens and institutions. Presently, the dataset covers the period 1980-2015, recording 2063 individual landslides. The use of free cartographic servers, such as Google Maps, Google Street View and Iberpix (Government of Spain), combined with the spatial descriptions and pictures contained in the press news, makes it possible to assess different levels of spatial accuracy. In the database, 59% of the records show an exact spatial location, and 51% of the records provided accurate dates, showing the usefulness of press archives as temporal records. Thus, 32% of the landslides show the highest spatial and temporal accuracy levels. The database also gathers information about the type and characteristics of the landslides, the triggering factors and the damage and costs caused. Field work was conducted to validate the methodology used in assessing the spatial location, temporal occurrence and characteristics of the landslides.
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