Supplemental Material: Grain-size variability in debris flows of different runout lengths, Wenchuan, China

Table S1. The coordinates of the sample locations used in this study. Table S2. GSD integrals for the curves shown in Figure 6. Table S3. χ² test comparing the average sieved GSD from Luoquan to the average sieved GSD from Liusha. Figure S1. Photos of the Luoquan and Liusha debris flow deposits. Figure S2. Example of the curve used to calculate the GSD integral. Figure S3. Relationship between D50, D84 and the GSD integrals for each debris flows. Figure S4. Vertical grain size distributions for the Liusha debris flow. Figure S5. Vertical grain size distributions for the Luoquan debris flow.