Table 1 Variables/symbols used in the derivation of the formula for estimating precipitation enhancement through the seeder–feeder mechanism
Variable/Symbols | Description |
---|---|
D | Diameter of seeder cloud droplet |
\({M}_{f}\) | Liquid water content of feeder cloud |
\({v}_{t}\) | Terminal velocity of seeder cloud droplet |
\({\rho }_{w}\) | Density of liquid water |
Pr | Precipitation rate |
N | Number concentration of seeder cloud |
D0 | Median volume diameter of seeder cloud |
A | Empirical constant: 9.6578947×10-2 |
B | Empirical constant: 0.14 |
Z1 | Height at level 1 |
Z2 | Height at level 2 |
Pr1 | Precipitation rate at level 1 |
Pr2 | Precipitation rate at level 2 |