Fig. 4: The direction of climate velocity trajectories towards higher elevations and denser vegetation.
From: Microclimates slow and alter the direction of climate velocities in tropical forests

The proportion of grid cells in the northern mountain range of Trinidad with climate velocity directed towards a higher elevation or towards denser vegetation. The x axis represents the angular difference between the direction of maximum or minimum temperature velocity and the direction a species would need to move to reach a higher elevation or denser vegetation. An angular difference of zero indicates that the direction of climate velocity is pointed towards a higher elevation (upslope) or towards denser vegetation. An angular difference of 180 indicates that the direction of climate velocity is pointed downslope or away from denser vegetation. The y axis represents the proportion of grid cells exhibiting a given angular difference. Proportions were calculated on the basis of 15° intervals. Land-surface velocities are 2 m above the ground and within-canopy velocities are 3D velocities in the top half of the forest structure measured from the ground to the canopy. Credit: tree icons, OpenClipart under a Creative Commons license CC0 1.0.