Parameter

Description

Range used

Sensitivity

Rank

Min

Max

LH-OAT

Curve Number (CN2)

Curve number for moisture condition II

25

52.65

High

5

ESCO

Soil Evaporation Compensation Factor

0.74

0.95

High

2

AWC (mm·mm⁻¹)

varying with depth

Soil Available Water Capacity

0.07

0.165

High

1

SOL_K (mm·h⁻¹)

varying with depth

Soil Hydraulic Conductivity

10

300

Moderate/Low

6

SOL_Z (mm)

Soil depth and number of layers (SOL_LY)

2100* (2)

4500 (6)

High

3

ALPHA_BF

Baseflow Alpha factor

0.039

0.048

High

4

CH_K2 (mm·h⁻¹)

Channel Conductivity

0

75

Low

GW_DELAY (days)

Groundwater delay time

1

50

Low

7

SURLAG

Surface lag coefficient

1

4

Low

8