K. Aizawa, Classification of self-potential anomalies on volcanoes and possible interpretations for their subsurface structure, Journal of Volcanology and Geothermal Research, vol.175, issue.3, 2008.
DOI : 10.1016/j.jvolgeores.2008.03.011

K. Aizawa, M. Uyeshima, and K. Nogami, Zeta potential estimation of volcanic rocks on 11 island arc-type volcanoes in Japan: Implication for the generation of local self-potential anomalies, Journal of Geophysical Research, vol.84, issue.B5, 2008.
DOI : 10.1029/2007JB005058

K. Aizawa, Y. Ogawa, and T. Ishido, Groundwater flow and hydrothermal systems within volcanic edifices: Delineation by electric self-potential and magnetotellurics, Journal of Geophysical Research, vol.205, issue.10, 2009.
DOI : 10.1029/2008JB005910

K. Aizawa, W. Kanda, Y. Ogawa, M. Iguchi, A. Yokoo et al., Temporal changes in electrical resistivity at Sakurajima volcano from continuous magnetotelluric observations, Journal of Volcanology and Geothermal Research, vol.199, issue.1-2, pp.165-175, 2011.
DOI : 10.1016/j.jvolgeores.2010.11.003

A. Augier, J. L. Froger, V. Cayol, Y. Fukushima, P. Tinard et al., eruption at Piton de la Fournaise, 2007.

P. Bachèlery, Le Piton de la Fournaise (Ile de la Réunion) Etude volcanologique, structurale et pétrologique, p.pp, 1981.

S. Barde-cabusson, G. Levieux, J. Lénat, A. Finizola, A. Revil et al., Transient self-potential anomalies associated with recent lava flows at Piton de la Fournaise volcano (R??union Island, Indian Ocean), Journal of Volcanology and Geothermal Research, vol.187, issue.3-4, pp.158-166, 2009.
DOI : 10.1016/j.jvolgeores.2009.09.003

P. A. Bedrosian, M. J. Unsworth, and M. J. Johnston, Hydrothermal circulation at Mount St. Helens determined by self-potential measurements, Journal of Volcanology and Geothermal Research, vol.160, issue.1-2, pp.137-146, 2007.
DOI : 10.1016/j.jvolgeores.2006.09.003

S. Boubekraoui and M. Aubert, Apport de la méthode des potentiels spontanés à la reconnaissance géologique et hydrogéologique des terrains volcaniques superficiels du Grand-Brûlé (Réunion, Océan Indien) Hydrogéologie 1, pp.43-51, 1999.

A. Carter, B. Van-wyk-de-vries, K. Kelfoun, P. Bachèlery, and P. Briole, Pits, rifts and slumps: the summit structure of Piton de la Fournaise, Bulletin of Volcanology, vol.67, issue.7, pp.741-756, 2007.
DOI : 10.1007/s00445-006-0103-4
URL : https://hal.archives-ouvertes.fr/hal-00310845

R. F. Corwin, The self-potential method for environmental and engineering applications: geotechnical and environmental geophysics, Investigations in Geophysics: Soc. Expl. Geophys, p.1, 1997.

A. Finizola, J. Lénat, O. Macedo, D. Ramos, J. Thouret et al., Fluid circulation and structural discontinuities inside Misti volcano (Peru) inferred from self-potential measurements, Journal of Volcanology and Geothermal Research, vol.135, issue.4, pp.343-360, 2004.
DOI : 10.1016/j.jvolgeores.2004.03.009
URL : https://hal.archives-ouvertes.fr/hal-01452539

A. Finizola, A. Revil, E. Rizzo, S. Piscitelli, T. Ricci et al., Hydrogeological insights at Stromboli volcano (Italy) from geoelectrical , temperature, and CO 2 soil degassing investigations, Geophysical Research Letters, vol.33, p.10, 1029.
DOI : 10.1029/2006gl026842
URL : https://hal.archives-ouvertes.fr/hal-01452534

A. Finizola, M. Aubert, A. Revil, C. Schütze, and F. Sortino, Importance of structural history in the summit area of Stromboli during the 2002???2003 eruptive crisis inferred from temperature, soil CO2, self-potential, and electrical resistivity tomography, Journal of Volcanology and Geothermal Research, vol.183, issue.3-4, pp.213-227, 2009.
DOI : 10.1016/j.jvolgeores.2009.04.002
URL : https://hal.archives-ouvertes.fr/insu-00447145

A. Finizola, T. Ricci, R. Deiana, S. Barde-cabusson, M. Rossi et al., Adventive hydrothermal circulation on Stromboli volcano (Aeolian Islands, Italy) revealed by geophysical and geochemical approaches: Implications for general fluid flow models on volcanoes, Journal of Volcanology and Geothermal Research, vol.196, issue.1-2, pp.111-119, 2010.
DOI : 10.1016/j.jvolgeores.2010.07.022
URL : https://hal.archives-ouvertes.fr/insu-00564998

X. Garcia and A. G. Jones, Internal structure of the western flank of the Cumbre Vieja volcano, La Palma, Canary Islands, from land magnetotelluric imaging, B07104. doi:10.1029, 2010.
DOI : 10.1029/2009JB006445

X. Guichet and P. Zuddas, Effect of secondary minerals on electrokinetic phenomena during water-rock interaction, Geophysical Research Letters, vol.38, issue.6, 2003.
DOI : 10.1029/2001JB000599

H. Hase, T. Ishido, S. Takakura, T. Hashimoto, K. Sato et al., ? potential measurement of volcanic rocks from Aso caldera, Geophysical Research Letters, vol.30, issue.23, pp.2210-2220, 2003.
DOI : 10.1029/2003gl018694

T. Ishido, Electrokinetic mechanism for the ???W???-shaped self-potential profile on volcanoes, Geophysical Research Letters, vol.205, issue.B3, 2004.
DOI : 10.1029/2004GL020409

T. Ishido, T. Kiruchi, N. Matsushima, Y. Yano, S. Nakao et al., Repeated Self-Potential Profiling of Izu-Oshima Volcano, Japan, Journal of geomagnetism and geoelectricity, vol.49, issue.11, pp.1267-1278, 1997.
DOI : 10.5636/jgg.49.1267

J. Join, J. Folio, and B. Robineau, Aquifers and groundwater within active shield volcanoes. Evolution of conceptual models in the Piton de la Fournaise volcano, Journal of Volcanology and Geothermal Research, vol.147, issue.1-2, 2005.
DOI : 10.1016/j.jvolgeores.2005.03.013
URL : http://horizon.documentation.ird.fr/exl-doc/pleins_textes/divers16-06/010036696.pdf

J. Lénat, Structure et Dynamique internes d'un volcan basaltique intraplaque océanique: Le Piton de la Fournaise (Ile de la Réunion), 1987.

J. Lénat, Retrieving self-potential anomalies in a complex volcanic environment: an SP/elevation gradient approach, Near Surface Geophysics, vol.5, issue.7, pp.161-170, 2007.
DOI : 10.3997/1873-0604.2006028

J. Lénat and P. Bachèlery, Structure et fonctionnement de la zone centrale du Piton de la Fournaise, Le volcanisme de la Réunion ? Monographie, pp.257-296, 1990.

J. F. Lénat, D. Fitterman, D. B. Jackson, and P. Labazuy, Geoelectrical structure of the central zone of Piton de la Fournaise volcano (R??union), Bulletin of Volcanology, vol.62, issue.2, pp.75-89, 2000.
DOI : 10.1007/s004459900058

L. Letourneur, A. Peltier, T. Staudacher, and A. Gudmundsson, The effects of rock heterogeneities on dyke paths and asymmetric ground deformation: The example of Piton de la Fournaise (R??union Island), Journal of Volcanology and Geothermal Research, vol.173, issue.3-4, pp.3-4, 2008.
DOI : 10.1016/j.jvolgeores.2008.01.018

G. Levieux, Construction d'une carte régionale de polarisation spontanée au Piton de la Fournaise Analyse des anomalies, 2004.

N. Linde, D. Jougnot, A. Revil, S. K. Matthaï, T. Arora et al., Streaming current generation in two-phase flow conditions, Geophysical Research Letters, vol.243, issue.B3, pp.3306-3316, 2007.
DOI : 10.1029/2006GL028878
URL : https://hal.archives-ouvertes.fr/insu-00404322

B. Malengreau, J. Lénat, and A. Bonneville, Cartographie et surveillance temporelle des anomalies de Polarisation Spontanée (PS) sur le Piton de la Fournaise, pp.221-232, 1994.

F. Massenet and V. N. Pham, Experimental and theoretical basis of self-potential phenomena in volcanic areas with reference to results obtained on Mount Etna (Sicily), Earth and Planetary Science Letters, vol.73, issue.2-4, pp.415-429, 1985.
DOI : 10.1016/0012-821X(85)90089-5

S. Michel and J. Zlotnicki, Self-potential and magnetic surveying of La Fournaise volcano (R??union Island): Correlations with faulting, fluid circulation, and eruption, Journal of Geophysical Research: Solid Earth, vol.38, issue.6, pp.845-862, 1998.
DOI : 10.1029/98JB00607

L. Michon, T. Staudacher, V. Ferrazzini, P. Bachèlery, and J. Marti, collapse of Piton de la Fournaise: a new example of caldera formation, Geophysical Research Letters, vol.34, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00311954

L. Michon, F. Saint-ange, P. Bachèlery, N. Villeneuve, and T. Staudacher, Role of the structural inheritance of the oceanic lithosphere in the magmato-tectonic evolution of Piton de la Fournaise volcano (La R??union Island), Journal of Geophysical Research: Solid Earth, vol.40, issue.B3, pp.4205-4215, 2007.
DOI : 10.1029/2005GL023720

L. Michon, V. Cayol, L. Letourneur, A. Peltier, N. Villeneuve et al., Edifice growth, deformation and rift zone development in basaltic setting: Insights from Piton de la Fournaise shield volcano (R??union Island), Journal of Volcanology and Geothermal Research, vol.184, issue.1-2, pp.14-30, 2009.
DOI : 10.1016/j.jvolgeores.2008.11.002

L. Michon, N. Villeneuve, T. Catry, and O. Merle, How summit calderas collapse on basaltic volcanoes: New insights from the April 2007 caldera collapse of Piton de la Fournaise volcano, Journal of Volcanology and Geothermal Research, vol.184, issue.1-2, pp.138-151, 2007.
DOI : 10.1016/j.jvolgeores.2008.11.003
URL : https://hal.archives-ouvertes.fr/hal-00450273

B. Nourbehecht, Irreversible thermodynamic effects in inhomogeneous media and their applications in certain geoelectric problems, 1963.

J. T. Overbeek, Electrochemistry of the double layer, Colloid Science : Irreversible Systems, pp.115-193, 1952.

A. Peltier, P. Bachèlery, and T. Staudacher, Magma transport and storage at Piton de La Fournaise (La R??union) between 1972 and 2007: A review of geophysical and geochemical data, Journal of Volcanology and Geothermal Research, vol.184, issue.1-2, pp.93-108, 2009.
DOI : 10.1016/j.jvolgeores.2008.12.008

A. Peltier, T. Staudacher, P. Bachèlery, and V. Cayol, Formation of the caldera collapse at Piton de La Fournaise volcano: insights from GPS data, J. Volcano . Geotherm. Res, vol.184, pp.1-2, 2007.
URL : https://hal.archives-ouvertes.fr/hal-00450769

A. M. Revil, J. D. Johnston, D. Byerlee, and . Lockner, Comment on Rapid fluid disruption: a source for self-potential anomalies on volcanoesa, Journal of Geophysical Research, vol.107, issue.B8, pp.10-1029, 2002.

A. Revil and A. Cerepi, Streaming potential in two-phase flow condition, L11605. doi:10.1029, 2004.
DOI : 10.1029/2004gl020140

A. Revil, G. Saracco, and P. Labazuy, The volcano-electric effect, Journal of Geophysical Research: Solid Earth, vol.93, issue.B8, 2003.
DOI : 10.1029/2001JB000599

A. Revil, T. C. Johnson, and A. Finizola, Three-dimensional resistivity tomography of Vulcan's forge, Vulcano Island, southern Italy, Geophysical Research Letters, vol.166, issue.1, 2010.
DOI : 10.1029/2010GL043983

A. Revil, A. Finizola, F. Sortino, and M. Ripepe, Geophysical investigations at Stromboli volcano, Italy: implications for ground water flow and paroxysmal activity, Geophysical Journal International, vol.157, issue.1, 2004.
DOI : 10.1111/j.1365-246X.2004.02181.x
URL : https://hal.archives-ouvertes.fr/hal-01452538

A. Revil, A. Finizola, S. Piscitelli, E. Rizzo, T. Ricci et al., diffuse degassing measurements, Journal of Geophysical Research, vol.55, issue.6, 2008.
DOI : 10.1029/2007JB005394
URL : https://hal.archives-ouvertes.fr/insu-00335616

A. Revil, A. Finizola, T. Ricci, E. Delcher, A. Peltier et al., Hydrogeology of Stromboli volcano, Aeolian Islands (Italy) from the interpretation of resistivity tomograms, self-potential, soil temperature and soil CO2 concentration measurements, Geophysical Journal International, vol.186, issue.3, pp.1078-1094, 2011.
DOI : 10.1111/j.1365-246X.2011.05112.x

W. R. Sill, Self???potential modeling from primary flows, GEOPHYSICS, vol.48, issue.1, pp.76-86, 1983.
DOI : 10.1190/1.1441409

T. Staudacher, Field observations of the 2008 summit eruption at Piton de la Fournaise (Ile de La R??union) and implications for the 2007 Dolomieu collapse, Journal of Volcanology and Geothermal Research, vol.191, issue.1-2, pp.60-68, 2010.
DOI : 10.1016/j.jvolgeores.2010.01.012

M. Urai, N. Geshi, and T. Staudacher, Size and volume evaluation of the caldera collapse on Piton de la Fournaise volcano during the April 2007 eruption using ASTER stereo imagery, Geophysical Research Letters, vol.36, issue.4, 2007.
DOI : 10.1029/2007GL031551
URL : https://hal.archives-ouvertes.fr/hal-00319128

K. Yasukawa, T. Ishido, and I. Suzuki, Geothermal reservoir monitoring by continuous self-potential measurements, Mori geothermal field, Japan, Geothermics, vol.34, issue.5, pp.551-567, 2005.
DOI : 10.1016/j.geothermics.2005.04.005

J. Zlotnicki, S. Michel, and C. Annen, Anomalies de polarisation spontanée et systèmes convectifs sur le volcan du Piton de la Fournaise, 1994.

J. Zlotnicki, G. Boudon, J. P. Viode, J. F. Delarue, A. Mille et al., Hydrothermal circulation beneath Mount Pel??e inferred by self potential surveying. Structural and tectonic implications, Journal of Volcanology and Geothermal Research, vol.84, issue.1-2, pp.73-91, 1998.
DOI : 10.1016/S0377-0273(98)00030-4