UHIE
What they are/how they form/chemistry
Strategies to reduce UHIE
Negative Impacts of UHIE
Initiatives to get people to adopt strategies to mitigate UHIE
Ch. 2: Vegetation
Ch.3: Green Roofs
Ch.4: Cool Roofs
Ch.5: Cool Pavement
Ch.6: Volunteer Efforts
Ch.6: Policy Efforts
Ch.1: The effects of Climate Change & Global Warming
Ch.1: Increased energy consumption
Types
Ch.1: Elevated emissions of air pollutants & greenhouse gasses
Ch.1: Compromised human health & Comfort
Ch.1: Impaired Water Quality
Ch.1: Atmospheric UHI
Ch.1: Surface UHI
Causes
Ch.1: Weather/location
Ch.1: Human Activities
Ch.1: Urban Geometry
Ch.1: Urban Material Properties
Ch.1: Reduced Vegetation
Varies greatly, typically during day
Varies less, typically at night
Properties --> Thermal Emittance & Solar Reflectivity
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provides shade, facilitates evaporative cooling --> significantly lowers surrounding temps
Increasing vegetation in urban enviornments
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Green roofs actually can provide natural insulation --> less need for heating in winter and cooler during summer
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Demonstration projects, incentives, urban forestry programs, weatherization, education programs, awards
Resolutions, procurement, Tree Ordinances, Comprehensive Plans, Zoning Codes, etc.
Tax benefits, along with longer lasting enforcement in some cases
Increased involvement of citizens/media