Dynamical time scales of horizontal transport () and vertical mixing () as a function of pressure in HD 209458b and HD 189733b. is computed adopting as zonal wind speed either an average over an equatorial band of latitude ±20° (solid lines) or the mean values independent of height given in Sect. 2.2.1 (dotted lines).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.