Parameters

Description

Interval of Variation

Optimal Value

CN2

The curve number

−25 à 25

−16.5

ALPHA-BF

Coefficient of depletion of groundwater

0 à 1

0.84

GW-DELAY

Groundwater Delay

30 à 450

287

GW-REVAP

Groundwater “revap” coefficient

0 à 0.2

0.2

SOL-AWC

Amount of water available to plants

−25 à 25

22.8

ESCO

Compensation factor soil evaporation according to the depth

0.8 à 1

0.86

CH-K2

Effective hydraulic conductivity of main channel

5 à 130

125