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Urban heat island (UHI) effect is a phenomenon in which urban areas experience significantly higher temperatures than their surrounding rural areas. This temperature difference arises due to the concentration of human activities, built-up structures, and altered land surfaces in cities. The UHI effect is driven by multiple causes, both natural and anthropogenic, and involves complex mechanisms of heat absorption, storage, and release. One primary cause of UHI is the replacement of natural vegetation with impervious surfaces such as asphalt, concrete, and rooftops. These surfaces have higher heat capacities and thermal conductivities than soil or vegetation, absorbing and retaining solar radiation more efficiently during the day and releasing it slowly at night. As a result, urban areas maintain elevated temperatures even after sunset. Another contributing factor is the reduction of evapotranspiration due to limited vegetation. In natural landscapes, plants cool the environment by transpiring water, which absorbs heat during phase change. In cities, the scarcity of green spaces __________ ______ ______ __________ _______ ______ ___ ______ _______ __________ ____ _______.
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