Table 7. Application plan for parameters related to planting method according to spatial characteristics

Division Wide and open street canyon Deep and narrow street canyon
Aspect ratio Low High
SVF High Low
Green space design principles Reduce solar radiation by increasing the amount of shade Expansion of ventilation and green volume
Tree spacing Narrower than crown diameter Wider than crown diameter
Multi-row planting Multi-row planting 1 row planting
Multi-layer structural planting Planting with a multi-layered structure, Including trees + small trees + shrubs + ground cover Trees and small trees are kept to a minimum. Increasing the amount of green space, Focusing on shrubs and ground cover
Thickness and number of green strips The thicker green strips, The more rows of plantings, The thicker green strips, The more rows of plantings,