Abstract
The derivations of climate change on cities and their activities depend on their capacity for adaptation and mitigation. In this sense, it has long recognized the influence of cities on their own climate, which is typically warmer than the surrounding. This phenomenon called urban heat island (UHI) has a number of impacts on air quality, water demand and energy. Since the fourth IPCC assessment report indicates the need for urban centers devoting efforts to adaptation to reduce the risks of direct and indirect impacts of climate change. The same organization recognizes the urban planning as a tool to seek such order. However, it also recognizes that the current scale of climate models cannot provide a representation of urban areas. This paper explores the intensification of the UHI, its relationship with urban expansion and its impact on housing in the city of Mexicali, B.C. Its aim is to determine its impact and mitigation potential through analysis and modeling of urban structure, expressed in use and land cover, as well as the implementation of mitigation strategies. The results show on the one hand, the convenience of using dynamic modeling as a tool applied to urban planning with a focus on mitigation and adaptation to climate change. Furthermore, regarding the implementation of strategies, the results show that most efficiency is obtained when applied generally, this is, considering green and cool roofs, cool pavements and afforestation as part of urbanization process, otherwise, only partial results are achieved. Overall, housing land use has significant potential to mitigate the UHI in the city.
Highlights
IntroductionThe issue is increasingly important because of the global trend towards urbanization and sprawl of cities, because the urban heat island (UHI) has direct implications for air quality, public health, energy management and urban planning
The results show on the one hand, the convenience of using dynamic modeling as a tool applied to urban planning with a focus on mitigation and adaptation to climate change
The temperature values obtained from the infrared band, were used to establish the thermal characteristics within the city, its distribution and future conditions of the urban heat island (UHI), these were calculated based on the different variants of urban fabric including the potential of mitigation, which results in urban planning measures that can be evaluated in a simulation environment
Summary
The issue is increasingly important because of the global trend towards urbanization and sprawl of cities, because the UHI has direct implications for air quality, public health, energy management and urban planning. Reasons why this issue has become one of the major environmental challenges related to the urbanization process, since the temperature rise associated with UHI tends to exacerbate the problems are mentioned above [2]. It is on the core issues identified when the issue of mitigation and adaptation to climate change is approached from an urban focus
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