Behavior of volatiles (H2, CO2, CH4) during the 2018-2019 Eruption of the Submarine Volcano Offshore Mayotte and response of the Carbonate System of the water column

Manon Mastin1, Cecile Cathalot1, Olivia Fandino1, Eric Gaucher2, Jean-Pierre Donval1, Vivien Guyader1, Yoan Germain1, Thomas Giunta1, Carla Scalabrin1, Jouenne Stéphane3, Dehez Sébastien3, Olivier Rouxel1 and Emmanuel Rinnert1, (1)IFREMER, Department of Marine Geosciences, Plouzané, France, (2)Institute of Geological Sciences, University of Bern, Bern, Switzerland, (3)TOTAL - Centre Scientifique et Technique Jean Feger, Pau, France