Integrating field, textural, and geochemical monitoring to track eruption triggers and dynamics: a case study from Piton de la Fournaise oleh L. Gurioli, A. Di Muro, I. Vlastélic, S. Moune, S. Thivet, M. Valer, N. Villeneuve, N. Villeneuve, G. Boudoire, G. Boudoire, A. Peltier, P. Bachèlery, V. Ferrazzini, N. Métrich, M. Benbakkar, N. Cluzel, C. Constantin, J.-L. Devidal, C. Fonquernie, J.-M. Hénot