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A definition of urban heat island is: "The relative warmth of a city compared with surrounding rural areas." [14]: 2926 This relative warmth is caused by "heat trapping due to land use, the configuration and design of the built environment, including street layout and building size, the heat-absorbing properties of urban building materials, reduced ventilation, reduced greenery and water ...
The sunlight flares around the buildings in lower Manhattan as the sun rises, Monday, July 1, 2019, in New York. (AP Photo/J. David Ake) They call New York City a concrete jungle. The Big Apple is ...
Microclimates exist, for example, near bodies of water which may cool the local atmosphere, or in heavy urban areas where brick, concrete, and asphalt absorb the sun's energy, heat up, and re-radiate that heat to the ambient air: the resulting urban heat island (UHI) is a kind of microclimate that is additionally driven by relative paucity of ...
Unequal threat of heat stress in urban environments is often correlated with differences in demographics, including racial and ethnic background, income, education level, and age. [1] While the general impacts of urban heat inequity depend on the city studied, negative effects typically act on historically marginalized communities. [ 1 ]
About 41 million people in the U.S. live in urban heat islands, where city topography elevates temperatures by at least 8 degrees Fahrenheit, according to an analysis published Wednesday by ...
Amid record-breaking heat across the U.S., residents in major cities like Phoenix and Miami are experiencing far more intense weather than those in rural areas. Millions of Americans are stranded ...
For example, increasing the albedo, or reflective power, of surfaces in urban areas, can minimize urban heat island, [63] [64] resulting in a lower magnitude of the urban heat island effect in urban areas. By minimizing these abnormal temperature trends and others, ecological activity would likely be improved in the urban setting.
The common blackbird (Turdus merula) may be the first example of actual speciation by urban evolution, due to the urban heat island and food abundance the urban blackbird has become non-migratory in urban areas. The birds also sing higher and at different times, and they breed earlier than their rural counterparts which leads to sexual ...