Abstract
Urbanization and urban heat island have significant impacts that vary from local to global levels; therefore, cities are under greater threat to global environmental change. This study, for the first time, focuses on comparative assessment of an iconic phenomenon of “surface urban heat island” (SUHI) in the coastal areas of Pakistan. For the purpose of this study, remote sensing techniques are used. Data for the period of January 2017 to December 2017, day and night scenes of TERRA/MODIS are obtained to create land surface temperature (LST) maps. Surface temperatures are examined against land cover data across various cities while comparing them with LSTs and land cover data in GIS Software. Spatial patterns of SUHI in each city are also investigated through its diurnal variation and seasonal changes. Association between SUHI and wind stream is presented in monthly analysis, which indicates that high wind speed is generally linked with the lowest development of SUHI. This research provides a broad perspective over the SUHI phenomenon in the coastal areas of Pakistan, and the results will be useful for urban planners to make decisions that can enhance environmental sustainability practices.
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