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Impact of Desert Urbanization on Urban Heat Islands Effect 被引量:1
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作者 latifa saeed al blooshi Abdelgadir Abuelgasim +1 位作者 Ahmad Nassar Taoufik Ksiksi 《Open Journal of Geology》 2020年第7期760-770,共11页
The United Arab Emirates (UAE) has undergone major urban transformation after the establishment of the country in 1971. One noticeable change is urban expansion in terms of massive infrastructure, including new reside... The United Arab Emirates (UAE) has undergone major urban transformation after the establishment of the country in 1971. One noticeable change is urban expansion in terms of massive infrastructure, including new residential areas, highways, airports, and sophisticated transportation systems. Major landscape changes and disturbances, such as urban development, are among the major contributors to global climate change. Urban areas can be 3.5<span style="white-space:nowrap;">&deg;</span>C - 4.5<span style="white-space:nowrap;">&deg;</span>C warmer than neighboring rural areas, a phenomenon known as urban heat islands (UHIs). As such, urban development in the UAE was expected to follow a similar pattern and to be a major contributor to the country’s impact on global climate change. Analyses of multi-temporal (1988-2017) land surface temperature (LST) data obtained from Landsat satellite datasets over a desert city in the UAE showed unexpected results. Urbanization of desert surfaces in the study area led to a decrease of 3<span style="white-space:nowrap;">&deg;</span>C - 5<span style="white-space:nowrap;">&deg;</span>C in the overall LST. This was attributed to the associated expansion of green spaces in the newly developed urban areas, the expansion of date plantations and perhaps a cooling in the previously desert surface. Therefore, the UHI effect was not well demonstrated in the studied desert surfaces converted to urban areas. 展开更多
关键词 Land Surface Temperature Thermal Difference UAE URBANIZATION Urban Heat Islands
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