Annual cycle of first order sensitivity indices (Si ${S}_{i}$) at the Animas River basin. Sensitivity indices are calculated for total runoff (a), surface runoff (b), and subsurface runoff (c) flux. Fluxes variance (V $V$) due to varying all parameters is shown in dotted red line. The annual cycle of sensitivity indices and variances is calculated as simple averages per day of the year for the 1935–2010 water‐years. The thickness of the color bands represents a parameter's contribution to the total variance V $V$ (i.e., sensitivity) at each day of the year.

Annual cycle of first order sensitivity indices (Si ${S}_{i}$) at the Animas River basin. Sensitivity indices are calculated for total runoff (a), surface runoff (b), and subsurface runoff (c) flux. Fluxes variance (V $V$) due to varying all parameters is shown in dotted red line. The annual cycle of sensitivity indices and variances is calculated as simple averages per day of the year for the 1935–2010 water‐years. The thickness of the color bands represents a parameter's contribution to the total variance V $V$ (i.e., sensitivity) at each day of the year.

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