Influence of vegetation on urban canyon ventilation. Part II: velocity field and turbulent mass fluxes Annika Vittoria Del Ponte, Sofia Fellini, Marilina Barulli, Luca Ridolfi, Lionel Soulhac, Massimo Marro, Pietro Salizzoni (2022) Influence of vegetation on urban canyon ventilation. Part II: velocity field and turbulent mass fluxes