3.2.1. Impact of initial density profile In the time series of velocity and temperature extracted at the surface and at the bottom (z= −9.1 m) of the Channel Monitoring Point (MP) for the three experiments (i.e. DEN-1, DEN-2 and DEN-3) are shown. At the beginning of the run, when the wind forcing is weak, the three solutions follow the same trajectory, although differences of 2–3 cm/s between them are present. Velocities under linear stratification are the largest, while velocities without stratification are the smallest. Later, during the wind gust at hour 42, surface velocities in all the experiments are similar. Finally, after the wind gust, the experiments with stratification converge to the