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L. Figure and D. Représente, pour chaque paramètre, les incertitudes des échantillons de février 2012 en fonction de l'aimantation à saturation Ms. Dans l'ensemble, la plupart des incertitudes ne dépendent pas de l'aimantation, sauf pour le Mrs et le Ms. Pour ces deux paramètres, plus l'aimantation est élevée

. Ainsi, avec les informations obtenues par les tests de représentativité, on considère que, dans chaque site et pour chaque paramètre, l'incertitude est constante : on néglige les variations d'incertitude dans le temps

V. Bougival, 50 10 -14 PSD grossier Bougival Pointe (16) 462 11 316 mT / 0,50 10 -15 PSD grossier Pontoise (17) 482 07, pp.94-120, 0408.