Investigation of Temperature Variability in Babolsar Urban Spaces for Urban Heat Island Detection

The present study investigated the temperature difference in Babolsar. The main purpose of this work is to study the temperature differences and identify the urban heat island formation in Babbalser. To this end, we used collected data from three data loggers and hourly data from Babolsar Meteorological Station. Data loggers recorded data from 25 September 2018 to 10 March 2019 in three points of this city. Finally, 3478 hourly data were extracted and created one matrix (3478*5). Initially, time variations were investigated, with DTD and ΔDTD methods. Hourly observations showed that the differences between urban and suburban areas were not significantly different at night and day, and the minimum temperature variability of all stations was similar. Investigation of the effect of wind on the spatial temperature differences showed that with increasing wind speed the temperature variability of different parts of Babolsar increases. According to the indices needed for urban heat island formation, this study showed that there isn't a precise and acceptable sign of urban heat island formation in Babolsar.