Official Journal of the Asia Oceania Geosciences Society (AOGS)
Table 2 Parameters and parameter range used in sensitivity analysis for streamflow simulation
Parameter | Description | Range | Process |
|---|---|---|---|
r_ CN2 | SCS runoff curve number for moisture condition II | − .3 to 0.3 | Streamflow |
v_ ALPHA_BF | Base flow alpha factor (days) | 0 to 1 | Groundwater |
v_ GW_DELAY | Groundwater delay times (days) | 0 to 500 | Groundwater |
v_ GWQMN | Threshold depth of water in the shallow aquifer required for return flow to occur(mm) | 0 to 5000 | Groundwater |
v_ GW_REVAP | Groundwater “revap” coefficient | 0.02 to 0.2 | Groundwater |
v_ SFTMP | Snowfall temperature (°C) | − 5 to 5 | Snow |
v_ TIMP | Snow pack temperature(°C) | 0 to 1 | Snow |
v_ SURLAG | Surface runoff lag time (days) | 0.05 to 24 | Streamflow |
v_ ESCO | Soil evaporation compensation factor | 0 to 1 | Evaporation |
v_CH_N2 | Manning coefficient for channel | − 0.01 to 0.3 | Channel |
v_CH_K2 | Effective hydraulic conductivity in main channel alluvium (mm/h) | − 0.01 to 500 | Channel |
a_ RCHRG_DP | Groundwater recharge to the deep aquifer | 0 to 1 | Groundwater |
r_ ALPHA_BNK | Baseflow alpha factor for bank storage | 0 to 1 | Channel |
r_ SOL_AWC | Available water capacity of the soil layer(mm/mm) | − 0.3 to 0.3 | Soil |
r_ SOL_BD | Soil conductivity(mm/h) | − 0.3 to 0.3 | Soil |
r_ SOL_K | Saturated hydraulic conductivity of first layer (mm/h) | − 0.3 to 0.3 | Soil |