T. Caltabiano, M. Burton, S. Giammanco, P. Allard, N. Bruno et al., Volcanic gas emissions from the summit craters and flanks of Mt, Mt. Etna: Volcano Laboratory, pp.111-128, 1987.

P. J. Wallace, Volatiles in subduction zone magmas: concentrations and fluxes based on melt inclusion and volcanic gas data, Journal of Volcanology and Geothermal Research, vol.140, issue.1-3, pp.217-240, 2005.
DOI : 10.1016/j.jvolgeores.2004.07.023

H. Shinohara, Excess degassing from volcanoes and its role on eruptive and intrusive activity, Reviews of Geophysics, vol.100, issue.11, pp.10-1029, 2008.
DOI : 10.1130/SPE212-p1

P. Allard, Endogenous magma degassing and storage at Mount Etna, Geophysical Research Letters, vol.294, issue.4, pp.2219-2222, 1997.
DOI : 10.1038/294548a0

URL : http://onlinelibrary.wiley.com/doi/10.1029/97GL02101/pdf

A. Bonaccorso, A. Bonforte, G. Currenti, C. D. Negro, A. D. Stefano et al., Magma storage, eruptive activity and flank instability: Inferences from ground deformation and gravity changes during the 1993???2000 recharging of Mt. Etna volcano, Journal of Volcanology and Geothermal Research, vol.200, issue.3-4, pp.245-254, 2011.
DOI : 10.1016/j.jvolgeores.2011.01.001

K. Sharma, S. Blake, S. Self, and A. J. Krueger, SO 2 emissions from basaltic eruptions, and the excess sulfur issue, Geophys. Res. Lett, pp.10-1029, 2004.

A. M. Steffke, A. J. Harris, M. Burton, T. Caltabiano, and G. G. Salerno, Coupled use of COSPEC and satellite measurements to define the volumetric balance during effusive eruptions at Mt. Etna, Italy, Journal of Volcanology and Geothermal Research, vol.205, issue.1-2, pp.47-53, 2011.
DOI : 10.1016/j.jvolgeores.2010.06.004

URL : https://hal.archives-ouvertes.fr/hal-00682365

P. Schiano, R. Clocchiatti, L. Ottolini, and T. Busa, Transition of Mount Etna lavas from a mantle-plume to an island-arc magmatic source, Nature, vol.129, issue.6850, pp.900-904, 2001.
DOI : 10.1016/0012-821X(94)00235-Q

K. Kazahaya, H. Shinohara, and G. Saito, Excessive degassing of Izu-Oshima volcano: magma convection in a conduit, Bulletin of Volcanology, vol.56, issue.3, pp.207-216, 1994.
DOI : 10.1007/BF00279605

D. S. Stevenson and S. Blake, Modelling the dynamics and thermodynamics of volcanic degassing, Bulletin of Volcanology, vol.60, issue.4, pp.307-317, 1998.
DOI : 10.1007/s004450050234

F. Beckett, M. Burton, H. Mader, J. Phillips, M. Polacci et al., Conduit convection driving persistent degassing at basaltic volcanoes, Journal of Volcanology and Geothermal Research, vol.283, pp.19-35, 2014.
DOI : 10.1016/j.jvolgeores.2014.06.006

C. Ferlito, M. Coltorti, G. Lanzafame, and P. P. Giacomoni, The volatile flushing triggers eruptions at open conduit volcanoes: Evidence from Mount Etna volcano (Italy), Lithos, vol.184, issue.187, pp.447-455, 2014.
DOI : 10.1016/j.lithos.2013.10.030

R. Moretti, N. Métrich, I. Arienzo, V. D. Renzo, A. Aiuppa et al., Degassing vs. eruptive styles at Mt. Etna volcano (Sicily, Italy). Part I: Volatile stocking, gas fluxing, and the shift from low-energy to highly explosive basaltic eruptions, Chemical Geology, 2017.
DOI : 10.1016/j.chemgeo.2017.09.017

G. Lambert, M. F. Le-cloarec, B. Ardouin, and J. C. Le-roulley, Volcanic emission of radionuclides and magma dynamics, Earth and Planetary Science Letters, vol.76, issue.1-2, pp.185-192, 1985.
DOI : 10.1016/0012-821X(85)90158-X

P. J. Gauthier, M. F. Le-cloarec, and M. Condomines, Degassing processes at Stromboli volcano inferred from short-lived disequilibria ( 210 Pb??? 210 Bi??? 210 Po) in volcanic gases, Journal of Volcanology and Geothermal Research, vol.102, issue.1-2, pp.1-19, 2000.
DOI : 10.1016/S0377-0273(00)00179-7

G. Lambert, P. Bristeau, and G. Polian, Emission and enrichments of radon daughters from Etna Volcano magma, Geophysical Research Letters, vol.38, issue.12, pp.724-726, 1976.
DOI : 10.1016/0016-7037(74)90037-4

M. Pennisi, M. F. Le-cloarec, G. Lambert, and J. C. Le-roulley, Fractionation of metals in volcanic emissions, Earth and Planetary Science Letters, vol.88, issue.3-4, pp.284-288, 1988.
DOI : 10.1016/0012-821X(88)90085-4

L. Cloarec, M. F. Pennisi, M. Ardouin, B. Le-roulley, J. C. Lambert et al., Relationship Between Gases and Volcanic Activity of Mount Etna in 1986, J. Geophys. Res. Solid Earth, vol.6, issue.298, pp.4477-4484, 1988.
DOI : 10.1016/0377-0273(79)90050-7

L. Cloarec, M. F. Pennisi, and M. , Radionuclides and sulfur content in Mount Etna plume in 1983???1995: new constraints on the magma feeding system, Journal of Volcanology and Geothermal Research, vol.108, issue.1-4, pp.141-155, 2001.
DOI : 10.1016/S0377-0273(00)00282-1

P. Allard, A. Aiuppa, P. Bani, N. Métrich, A. Bertagnini et al., Prodigious emission rates and magma degassing budget of major, trace and radioactive volatile species from Ambrym basaltic volcano, Vanuatu island Arc, Journal of Volcanology and Geothermal Research, vol.322, pp.119-143, 2016.
DOI : 10.1016/j.jvolgeores.2015.10.004

URL : https://hal.archives-ouvertes.fr/hal-01527323

P. J. Gauthier, O. Sigmarsson, M. Gouhier, B. Haddadi, and S. Moune, Elevated gas flux and trace metal degassing from the 2014-2015 fissure eruption at the B??r??arbunga volcanic system, Iceland, Journal of Geophysical Research: Solid Earth, vol.183, issue.1, pp.1610-1630, 2016.
DOI : 10.1126/science.183.4121.198

L. Cloarec, M. F. Lambert, G. Le-guern, F. Ardouin, and B. , Echanges de matériaux volatils entre phase solide, liquide et gazeuse au cours de l'éruption de l'Etna de 1983, Comptes-Rendus des Séances de l'Académie des Sciences. Série 2, Mécanique-Physique, Chimie, Sciences de l'univers, pp.805-808

L. Cloarec, M. F. Lambert, G. Ardouin, and B. , Isotopic enrichment of 210-Pb in gaseous emission from Mount Etna (Sicily), Chemical Geology, vol.70, issue.1-2, p.128, 1988.
DOI : 10.1016/0009-2541(88)90565-7

B. Behncke, S. Branca, R. A. Corsaro, E. D. Beni, L. Miraglia et al., The 2011???2012 summit activity of Mount Etna: Birth, growth and products of the new SE crater, Journal of Volcanology and Geothermal Research, vol.270, pp.10-21, 2014.
DOI : 10.1016/j.jvolgeores.2013.11.012

T. Geryes and C. Monsanglant-louvet, Determination of correction factors for alpha activity measurements in the environment (conditions of high dust loading), Radiation Protection Dosimetry, vol.79, issue.1-4, pp.659-662, 2010.
DOI : 10.1093/oxfordjournals.rpd.a032459

T. A. Mather, Volcanoes and the environment: Lessons for understanding Earth's past and future from studies of present-day volcanic emissions, Journal of Volcanology and Geothermal Research, vol.304, pp.160-179, 2015.
DOI : 10.1016/j.jvolgeores.2015.08.016

J. Gill, R. Williams, and K. Bruland, Po, Geophysical Research Letters, vol.222, issue.1, pp.17-20, 1985.
DOI : 10.1126/science.222.4628.1118

M. Reagan, F. J. Tepley, J. B. Gill, M. Wortel, and B. Hartman, Rapid time scales of basalt to andesite differentiation at Anatahan volcano, Mariana Islands, Journal of Volcanology and Geothermal Research, vol.146, issue.1-3, pp.171-183, 2005.
DOI : 10.1016/j.jvolgeores.2004.10.022

O. Sigmarsson, M. Condomines, and P. J. Gauthier, Excess 210Po in 2010 Eyjafjallaj??kull tephra (Iceland): Evidence for pre-eruptive gas accumulation, Earth and Planetary Science Letters, vol.427, pp.66-73, 2015.
DOI : 10.1016/j.epsl.2015.06.054

P. J. Gauthier and M. F. Le-cloarec, Variability of alkali and heavy metal fluxes released by Mt. Etna volcano, Sicily, between 1991 and 1995, Journal of Volcanology and Geothermal Research, vol.81, issue.3-4, pp.311-326, 1998.
DOI : 10.1016/S0377-0273(98)00002-X

A. Aiuppa, G. Dongarrà, M. Valenza, C. Federico, and G. Pecoraino, Degassing of trace volatile metals during the 2001 eruption of Etna. In Volcanism and the Earth's Atmosphere, pp.41-54, 2003.

T. M. Kayzar, K. M. Cooper, M. K. Reagan, and A. J. Kent, Gas transport model for the magmatic system at Mount Pinatubo, Philippines: Insights from (210Pb)/(226Ra), Journal of Volcanology and Geothermal Research, vol.181, issue.1-2, pp.124-140, 2009.
DOI : 10.1016/j.jvolgeores.2009.01.006

M. Condomines, O. Sigmarsson, and P. Gauthier, A simple model of 222Rn accumulation leading to 210Pb excesses in volcanic rocks, Earth and Planetary Science Letters, vol.293, issue.3-4, pp.331-338, 2010.
DOI : 10.1016/j.epsl.2010.02.048

URL : https://hal.archives-ouvertes.fr/hal-00496398

K. Berlo and S. Turner, 210Pb???226Ra disequilibria in volcanic rocks, Earth and Planetary Science Letters, vol.296, issue.3-4, pp.155-164, 2010.
DOI : 10.1016/j.epsl.2010.05.023

P. J. Gauthier and M. Condomines, 210Pb???226Ra radioactive disequilibria in recent lavas and radon degassing: inferences on the magma chamber dynamics at Stromboli and Merapi volcanoes, Earth and Planetary Science Letters, vol.172, issue.1-2, pp.111-126, 1999.
DOI : 10.1016/S0012-821X(99)00195-8

H. Bateman, The solution of a system of differential equations occurring in the theory of radioactive transformations, Proc. Camb. Philos. Soc, pp.423-427, 1910.

L. Moral and A. Pacheco, Algebraic approach to the radioactive decay equations, American Journal of Physics, vol.71, issue.7, pp.684-686, 2003.
DOI : 10.1119/1.1571834

P. J. Gauthier, M. Condomines, and T. Hammouda, An experimental investigation of radon diffusion in an anhydrous andesitic melt at atmospheric pressure: implications for radon degassing from erupting magmas, Geochimica et Cosmochimica Acta, vol.63, issue.5, pp.645-656, 1999.
DOI : 10.1016/S0016-7037(98)00305-6

N. Métrich, P. Allard, N. Spilliaert, D. Andronico, and M. Burton, 2001 flank eruption of the alkali- and volatile-rich primitive basalt responsible for Mount Etna's evolution in the last three decades, Earth and Planetary Science Letters, vol.228, issue.1-2, pp.1-17, 2001.
DOI : 10.1016/j.epsl.2004.09.036

N. Spilliaert and N. Métrich, S???Cl???F degassing pattern of water-rich alkali basalt: Modelling and relationship with eruption styles on Mount Etna volcano, Earth and Planetary Science Letters, vol.248, issue.3-4, pp.772-786, 2006.
DOI : 10.1016/j.epsl.2006.06.031

K. Sato and J. Sato, Estimation of gas-releasing efficiency of erupting magma from 226Ra???222Rn disequilibrium, Nature, vol.39, issue.5601, pp.439-440, 1977.
DOI : 10.1038/266439a0

K. Sato, I. Kaneoka, and J. Sato, Rare-gas releasing experiments and Rn degassing from erupting magma., GEOCHEMICAL JOURNAL, vol.14, issue.2, pp.91-94, 1980.
DOI : 10.2343/geochemj.14.91

URL : https://www.jstage.jst.go.jp/article/geochemj1966/14/2/14_2_91/_pdf

M. Condomines, J. C. Tanguy, and V. Michaud, Magma dynamics at Mt Etna: Constraints from U-Th-Ra-Pb radioactive disequilibria and Sr isotopes in historical lavas, Earth and Planetary Science Letters, vol.132, issue.1-4, pp.25-41, 1995.
DOI : 10.1016/0012-821X(95)00052-E

P. Armienti, M. Pareschi, F. Innocenti, and M. Pompilio, Effects of magma storage and ascent on the kinetics of crystal growth, Contributions to Mineralogy and Petrology, vol.104, issue.B5, pp.402-414, 1994.
DOI : 10.1007/BF00320974

P. Allard, B. Behncke, S. Amico, M. Neri, S. Gambino et al., Mount Etna 1993???2005: Anatomy of an evolving eruptive cycle, Earth-Science Reviews, vol.78, issue.1-2, pp.85-114, 1993.
DOI : 10.1016/j.earscirev.2006.04.002