| Parameter | Mode of change and Parameter code | Parameter value range | Parameter sensitivity to AET | Rank | ||
Minimum value | Maximum value | t-stat | p-value | ||||
1 | Moist bulk density of the soil layer | r_bd | −0.50 | 0.50 | 10.2777 | 1.0 × 10−11 | 1 |
2 | Soil depth | r_z | −1.0 | 1.0 | −9.4917 | 2.0 × 10−9 | 2 |
3 | Soil evaporation compensation factor | v_ESCO | 0.10 | 1.0 | −3.34417 | 0.00281 | 3 |
4 | Available water capacity of soil layer | r_awc | −0.30 | 0.30 | −3.00806 | 0.00627 | 4 |
5 | Moisture condition II―SCS curve number | r_CN2 | −0.50 | 0.50 | 2.26821 | 0.033018 | 5 |
6 | Saturated hydraulic conductivity | r_k | −0.50 | 0.50 | 1.515195 | 0.143346 | 6 |
7 | Threshold depth of water in the shallow aquifer for “revap” to occur | v_revap_min | 100 | 500 | 0.46445 | 0.646692 | 7 |
8 | Groundwater “revap” coefficient | v_revap_co | 0.05 | 1.0 | −0.44607 | 0.659717 | 8 |
9 | Threshold depth of water in the shallow aquifer required for return flow to occur | Flow_min | 500 | 5,000 | −0.20111 | 0.84238 | 9 |
10 | Surface runoff lag coefficient | v_surlag | 0.050 | 0.30 | −0.01378 | 0.98913 | 10 |