Ardisson Marie-Hélène auteur aut IRD Albouy Yves auteur aut IRD Risser Vincent auteur aut IRD Xu Shi Zhe La auteur aut IRD text conferencePaper fre text/pdf reformatted digital access The aim of this work was to evaluate the landslides risks on the volcano El Pichincha in Ecuador, in estimating the thickness of the conductive layer that may slide. The method used were electrical Schlumberger soundings. The main problem encountered during the interpretation was the topographic effect. A correction had been used that revealed the real apparent resistivity curve and the anisotropy of the site. (Résumé d'auteur) specialized GEOPHYSIQUE GLISSEMENT DE TERRAIN SONDAGE ELECTRIQUE TOPOGRAPHIE EQUATEUR 066GPHGEN Géophysique des Sols et des Formations Superficielles : Colloque GEOFCAN, Bondy (FRA), 1997/09/11-12 87-90 multigr. Albouy Yves ed. edt IRD Montoroi Jean-Pierre ed. edt IRD Tabbagh A. ed. edt IRD Zerbib Nicole ed. edt IRD Paris ORSTOM 1997 https://www.documentation.ird.fr/hor/fdi:010011228 [F A010011219] https://www.documentation.ird.fr/hor/fdi:010011228 https://horizon.documentation.ird.fr/exl-doc/pleins_textes/pleins_textes_7/geofcan/010011228.pdf IRD - Base Horizon / Pleins textes 1997-10-08 2018-05-02 fdi:010011228 fre