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What can be done to reduce the Heat Island Effect?
Plant more canopy type trees
Use lighter colored materials for roads and parking lots
Use high Albedo materials for roofing
What is Albedo?
Reflectivity + Emissivity = Albedo
Reflectivity: the percentage of incident light or
electromagnetic radiation that is reflected.
Emissivity: the rate at which absorbed energy is
radiated from an object.
Dark Asphalt has a very low Albedo which means
that it absorbs more heat than an object with a high Albedo
such as a highly reflective white roof. |