Besiberris glacigenic rock glacier (Central Pyrenees, Spain) : mapping surface horizontal and vertical movement (1993-2003)

Cía, Javier Chueca; Andrés, Asunción Julián

doi:10.18172/cig.1254

Cited by 4 publications

(1 citation statement)

References 29 publications

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“…Kääb and Vollmer, ), classical geodetic measurements (e.g. White, ; Francou and Reynaud, ; Chueca Cía and Julián, ), satellite positioning (e.g. Lambiel and Delaloye, ), terrestrial laser scanner (Oppikofer et al ., ), radar interferometry from either satellite (Strozzi et al, ) and ground (Tarchi et al ., ) acquisition.…”

Section: Introductionmentioning

confidence: 99%

Process oriented use of geostatistics to analyse creeping para‐glacial features

Bardou

Favre-Bulle

Faucheux³

et al. 2015

Earth Surf Processes Landf

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Complex para-glacial systems may show signs of destabilization leading to frequent and potentially hazardous debrisflows. Understanding creeping permafrost displacement over a period of time is therefore crucial for hazard management and risks assessment. This paper presents our methodology for estimating creeping permafrost displacement based upon data derived from various survey methods and demonstrates its relevance on the Glacier Bonnard system in southern Switzerland. Geostatistical processing allowed estimation of the displacement intensity over the area of interest, as well as assessment of the interpolation quality. Although the local measurement network needs to be refined, the results largely improve the understanding of the Bonnard paraglacial system, though highlighting the need to locally refine the measurement network. In the present case, the destabilized front advances at~1 m/a and the upstream creeping part at~0.4 m/a. Variance analysis also provide objective thresholds that could be used to distinguish underlying physical processes.

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