X. Chapitre, F. Modélisation, and . Xii, 12: Distribution spatiale des cumuls, exprimés en millimètres, de la période du 01, 2001.

X. Chapitre and X. Modélisation-on-place-dans-la-figure, 14 le cumul D c de chacun des 3171 RECs ; le premier signal de percolation est observé le 27 où P c = 133 mm après 57 jours. Moyenné sur le bassin versant, Figure XII.13), où il a plu 341 mm en 72 jours. On examine plus précisément l'évolution temporelle du champ spatial de percolation (Figure XII.15), 2002.

L. and D. Est-négligeable-jusqu, Figure XII.15.a) et, après cette date, la percolation commence dans les Entisols situés en zones de boulders de granite, 2002.

. Au, pour le même ordre de grandeur de P c (350 mm en 73 jours, 2002.

. Les-jours-suivants, Figures XII.15.g à XII.15.i), la tendance se confirme, i.e., D c est par ordre décroissant le plus important dans les Entisols amont, classe de texture 2 et 3), les Inceptisols (classes 16 à 18), les Alfisols2

. On-remarque-que-d-c-augmente-significativement-entre-le, Figures XII.15.g et XII.15.h) puisque l'incrément de pluie (56 mm) se fait assez régulièrement sur cette, 2002.

. Par-contre, Figures XII.13, XII.15.h et XII.15.i) malgré les 87 mm précipités entre 11 ces pluies sont trop espacées de celles de mi-juillet à début septembre pour contribuer à la percolation, les sols se sont entre temps asséchés, De même, les quelques pluies isolées de mars et avril 2003 (78 mm en 42 jours) ne contribuent pas au cumul D c moyen du bassin versant (Figure XII.13). Par conséquent, des pluies peu espacées temporellement sont favorables à la percolation, 2002.

. Enfin, examen du lien entre le cumul des pluies et la percolation Une succession de pluies peu espacées temporellement favorise la percolation percolation a débuté après un cumul des précipitations d'environ 340 mm en 70 jours ou, plus précisément, 2002.

. Cependant, ce phénomène est peu étudié dans la littérature et POWER ne l'implémente pas à l'heure actuelle, par conséquent le modèle classique unimodal de, 1964.

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