| Index | Variable | Correlation parameters |
| Drop | RIX10 |
|
| Flow separation | RIX40 |
|
| Reference roughness | z0ref |
|
| Roughness complexity | CR |
|
| Distance between the turbine and the met mast | l |
|
| Height difference between the turbine hub height and met mast top measurement height | Δh | Δh |