2026-04-13T07:36:10Zhttps://recercat.cat/oai/request

oai:recercat.cat:2117/887562025-07-17T03:08:39Zcom_2072_1033col_2072_452950

00925njm 22002777a 4500 dc Mavrouli, Olga Christina author Hurlimann Ziegler, Marcel author Abanco Martínez de Arenzana, Claudia author Moya Sánchez, José author Copons Llorens, Ramon author Ruiz Carulla, Roger author 2016 The paper presents the experience of two instrumented sites in the Pyrenees where debris flows and rock falls occur frequently. The first one is the debris-flow monitoring system in the Rebaixader catchment, Central Pyrenees, Spain, installed since summer 2009. It consists of sensors registering meteorological and infiltration data as well as geophones, radar, ultrasonic sensors and a video camera focusing on the detection and dynamics of the flows. 24 torrential flows (debris flows and debris floods) and also 5 block falls have been detected. The second site is a recently installed rockfall monitoring system at the Forat Negre couloir, in Andorra la Vella, Principality of Andorra. It consists of 5 geophones and a video camera. For the same area high resolution point clouds obtained by remote techniques such as digital photogrammetry and Terrestrial Laser Scanner additionally permit the assessment of rockfall volumes and geometry, overcoming access restrictions. Postprint (published version) Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de sòls Landslides--Spain Cameras Catchments Debris Rock bursts Ultrasonic applications Units of measurement Video cameras Access restriction Debris flood Debris flow monitoring systems Debris flows – Digital photogrammetry High resolution point clouds Monitoring system Terrestrial laser scanners Esllavissades -- Pirineus Monitoring of fast moving landslides in the Pyrenees