Double line trees are represented by several trees used mainly for mitigating urban heat stress. The trees could be arranged in a shape of a line along street, bicycle paths, or sidewalk. By planting two lines of trees, it would represent a canopy shape where the middle area is shaded or protected from heat and pollution.
Benefits
(+) Habitat provision
(+) Provide a place for the public for recreation, social interaction, exercise and connection to nature.
(+) To provide cooling and reduce surface runoff and thus mitigate the risk of urban surface flooding.
Limitations
(-) Reducing the air flow specially in the street canopy
(-) Potential to cause harm to human health by increasing allergens and trees pollen and BVOC emissions
Assessment
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