Introduction to the French GEOTRACES North Atlantic Transect (GA01): GEOVIDE cruise by Sarthou, G, Lherminier, P, Achterberg, E, Alonso-Pérez, F, Bucciarelli, E, Boutorh, J, Bouvier, V, Boyle, E, Branellec, P, Carracedo, L, Casacuberta, N, Castrillejo, M, Cheize, M, Contreira Pereira, L, Cossa, D, Daniault, N, De Saint-Léger, E, Dehairs, F, Deng, F, Desprez De Gésincourt, F, Devesa, J, Foliot, L, Fonseca-Batista, D, Gallinari, M, García-Ibáñez, M, Gourain, A, Grossteffan, E, Hamon, M, Heimbürger, L, Henderson, G, Jeandel, C, Kermabon, C, Lacan, F, Le Bot, P, Le Goff, M, Le Roy, E, Lefèbvre, A, Leizour, S, Lemaitre, N, Masqué, P, Ménage, O, Menzel Barraqueta, J, Mercier, H, Perault, F, Pérez, F, Planquette, H, Planchon, F, Roukaerts, A, Sanial, V, Sauzède, R, Shelley, R, Stewart, G, Sutton, J, Tang, Y, Tisnérat-Laborde, N, Tonnard, M, Tréguer, P, Van Beek, P, Zurbrick, C, Zunino, P