R. B. Alley, GISP2 ice core temperature and accumulation data, IGBP, p.476, 2000.

D. Center and . Paleoclimatology, Data Contribution Series n°2004-013, p.477

P. C. Augustinus, Glacial valley cross-profile development: the influence of in situ rock stress and rock mass strength, with examples from the Southern Alps, New Zealand, Geomorphology, vol.14, issue.2, p.481, 1995.
DOI : 10.1016/0169-555X(95)00050-X

C. K. Ballantyne, Paraglacial geomorphology, Quaternary Science Reviews, vol.21, 1935.

C. K. Ballantyne and J. O. Stone, The Beinn Alligin rock avalanche, NW Scotland: 487 cosmogenic 10 Be dating, interpretation and significance. The Holocene, pp.448-453, 2004.

G. Bièvre, J. Kasperski, and P. Pothérat, Séchilienne -Programme de reconnaissances, p.490, 2012.

D. D. Blackwell, J. L. Steele, and C. A. Brott, The terrain effect on terrestrial heat flow, Journal of Geophysical Research, vol.34, issue.B9, p.498, 1980.
DOI : 10.1029/JB085iB09p04757

J. X. Hostetler, S. W. Mccabe, and A. M. , The last glacial maximum, Science, vol.325, pp.710-714, 2009.

E. Cossart, R. Braucher, M. Fort, D. Bourlès, and J. Carcaillet, Slope instability in 504 relation to glacial debutressing in alpine areas, p.505, 2008.

. France, Evidence from field data and 10 Be cosmic ray exposure ages, Geomorphology, vol.95, pp.3-506

D. M. Cruden and X. Q. Hu, Exhaustion and steady states models for predicting landslides 509 hazards in the Canadian Rocky Mountains, pp.279-285, 1993.

J. L. De-beaulieu, Contribution pollenanalytique à l'histoire tardiglaciaire et holocène de 516, 1977.

R. Delunel, Evolution géomorphologique du massif des Ecrins-Pelvoux, 2010.

E. Eberhardt, D. Stead, and J. S. Coggan, Numerical analysis of initiation and progressive failure in natural rock slopes???the 1991 Randa rockslide, International Journal of Rock Mechanics and Mining Sciences, vol.41, issue.1, pp.69-87, 2004.
DOI : 10.1016/S1365-1609(03)00076-5

L. Goy, D. Fabre, and G. Ménard, Modelling of rock temperatures for deep alpine tunnel projects, Rock Mechanics and Rock Engineering, vol.27, issue.2, pp.1-18, 1996.
DOI : 10.1007/BF01019936

S. Gruber and W. Haeberli, Permafrost in steep bedrock slopes and its temperature related 539 destabilization following climate change, Journal of Geophysical Research, vol.112, issue.02, pp.540-550, 2007.

M. T. Jorgenson and R. A. Kreig, A model for mapping permafrost distribution based on 565 landscape component maps and climatic variables, p.566, 1988.

. Permafrost, Tapir Publishers: Trondheim, pp.176-182

H. Juliussen and O. Humlum, Towards a TTOP ground temperature model for mountainous terrain in central-eastern Norway, Permafrost and Periglacial Processes, vol.55, issue.2, pp.161-570, 2007.
DOI : 10.1002/ppp.586

N. F. Krivonogova, Characteristics of the composition, structure and physico- 576 mechanical properties of permafrost rock soil in massifs. Soil Mechanics and Foundation 577 Engineering 46, pp.136-146, 2009.

I. T. Kukkonen and J. Safanda, Numerical modelling of permafrost in bedrock in northern 580, 2001.

L. Roux, O. Jongmans, D. Kaperski, J. Schwartz, S. Potherat et al., Deep geophysical investigation of the large S??chilienne landslide (Western Alps, France) and calibration with geological data, Engineering Geology, vol.120, issue.1-4, pp.18-31, 2011.
DOI : 10.1016/j.enggeo.2011.03.004

F. Lucazeau and G. Vasseur, Heat flow density data from France and surrounding margins, Tectonophysics, vol.164, issue.2-4, pp.251-258, 1989.
DOI : 10.1016/0040-1951(89)90018-8

V. J. Lunardini, Theory of n-factors and correlation of data, p.600, 1978.

M. Magny, Holocene climate variability as reflected by mid-European lake-level 604 fluctuations and its probable impact on prehistoric human settlements, Quaternary 605 International, pp.65-79, 2004.

M. Magny, Climate oscillations and hydrological variations in Europe over the last 608 15,000 years. Lettre pigb-pmrc-France, pp.72-76, 2007.

N. Matsuoka and J. Murton, Frost weathering: recent advances and future directions, Permafrost and Periglacial Processes, vol.28, issue.1, p.616, 2008.
DOI : 10.1002/ppp.620

D. Mottaghy and V. Rath, Latent heat effects in subsurface heat transport modelling and their impact on palaeotemperature reconstructions, Geophysical Journal International, vol.164, issue.1, pp.236-623, 2006.
DOI : 10.1111/j.1365-246X.2005.02843.x

P. Roiron, C. Boutterin, A. A. Ali, and H. Bruneton, Postglacial migration of silver fir 627 (Abies alba Mill.) in the southwestern Alps, Journal of Biogeography, vol.34, pp.876-899, 2007.

J. B. Murton, R. Peterson, and J. C. Ozouf, Bedrock Fracture by Ice Segregation in Cold Regions, Science, vol.314, issue.5802, pp.1127-1129, 2006.
DOI : 10.1126/science.1132127
URL : https://hal.archives-ouvertes.fr/hal-00327334

J. Noetzli and S. Gruber, Transient thermal effects in Alpine permafrost. The Cryosphere 637 3, pp.85-99, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00298540

D. W. Riseborough and M. W. Smith, Exploring the limits of permafrost, paper presented 652 at 7th International Conference on Permafrost, International Permafrost Association, p.653, 1998.

D. Riseborough, N. Shiklomanov, B. Etzelmüller, S. Gruber, and S. Marchenko, Recent advances in permafrost modelling, Permafrost and Periglacial Processes, vol.111, issue.2, pp.137-156, 2008.
DOI : 10.1002/ppp.615

J. Safanda, Ground surface temperature as a function of slope angle and slope orientation and its effect on the subsurface temperature field, Tectonophysics, vol.306, issue.3-4, pp.367-375, 1999.
DOI : 10.1016/S0040-1951(99)00066-9

G. Sanchez, Y. Rolland, M. Corsini, R. Braucher, D. Bourlès et al., Relationships between tectonics, slope instability and climate change: Cosmic ray exposure dating of active faults, landslides and glacial surfaces in the SW Alps, Geomorphology, vol.117, issue.1-2, pp.2010-664
DOI : 10.1016/j.geomorph.2009.10.019
URL : https://hal.archives-ouvertes.fr/hal-00447074

M. W. Smith and D. W. Riseborough, Permafrost monitoring and detection of climate change, Permafrost and Periglacial Processes, vol.26, issue.4, pp.301-309, 1996.
DOI : 10.1002/(SICI)1099-1530(199610)7:4<301::AID-PPP231>3.0.CO;2-R

P. Van-der-beek and P. Bourbon, A quantification of the glacial imprint on relief development in the French western Alps, Geomorphology, vol.97, issue.1-2, pp.52-72, 2008.
DOI : 10.1016/j.geomorph.2007.02.038
URL : https://hal.archives-ouvertes.fr/insu-00351301

J. M. Vengeon, Déformation et rupture des versants en terrain métamorphique 676, 1998.

. Anisotrope, Apport de l'étude des ruines de Séchilienne, p.677

. Grenoble, 186 pp. 678 drawn, considering the two Vp threshold limits at 3000 m s ?1 (dotted red line) and 3500 m s ?1 725

F. Ilyashuk, Paleo-temperature curves from the last 21,000 years (see text for details) Temperature 739 data are in dotted lines, with different colors according to the authors: (1) blue: Davis et al Chronologies of Davis et 741, p.Alley, 2000.

B. Cal, Reconstructed temperatures are in solid lines. T mwa : mean annual temperature 744

. Curve-for-the-warmest-months, T maa : mean annual air temperature curve. T mco : mean annual 745 temperature curve for the coldest months ATA: annual temperature amplitude. Four climate 746 periods (labeled A to D) are distinguished. The melting of the Romanche glacier in the valley 747 bottom until 14

. Fig, 2D reconstruction of the Séchilienne slope geometry before destabilization 750 corresponding to the cross-section in Fig. 2c, obtained by balancing the depletion and 751 accumulation surfaces. The uncertainty on the landslide base, p.752

I. Ka and . Blue, T top : Temperature deduced from the TTOP model and imposed at the surface, p.756

. Fig, Results of 2D thermal numerical modeling. (a) Temperature distributions simulated 760 for model 1T (constant n-factors n T = 0.7 and n F = 0.5 and temperate glacier) at the seven 761 different times shown in (b). The permafrost and glacier extensions are shown in dark and 762 light blue, respectively

. Fig, 9. 2D temperature distributions simulated for the three models 1C, pp.2-2

. Fig, Succession of kinematics events affecting the Séchilienne slope after the thermal and 776 chronological constraints. (a) Mean annual air temperature curve from the, Last Glacial, vol.11, issue.777