Figure 6. Diagram showing relation between annual exceedance probabilities and mean slopes. Mean slopes calculated for each set of grid cells having annual exceedance probabilities as shown in table 1 (for example, 1.1, 2.2, 3.3...). Numbers refer to the number of grid cells used to calculate the mean slope for each exceedance probability value. Thick gray line computed using a least squares fit to the data. Equation for the line is shown.
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