The effect of Covid-19 epidemic on the Land surface temperature of Asaluyeh Industrial City with an approach to image processing in Google Earth Engine Platform

Abstract

At the end of 2019, the world became infected with the Covid-19 virus. In Iran, public places were declared quarantined and closed due to policy-making and social distancing. Land surface temperature is an important variable for the environment. The purpose of this study is to compare the LST extracted from Landsat 8 images in the new GEE for Asaluyeh Industrial City before, during and after the outbreak of Corona virus in April-May 2018, 2019, 2020 and 2021. The results of this study showed that the maximum temperatures in 2018, 2019, 2020 and 2021 for the city of Asaluyeh are 74.4, 61.2, 58.8 and 58.7 degrees Celsius, respectively. In fact, the city of Asaluyeh in the pre-Covid period experienced relatively high temperatures in residential areas and industrial towns, respectively, which were seen as hot spots in this period, but during the prevalence and epidemic of Corona due to closure and quarantine of cities, especially transportation, Factories and industries The LST has decreased significantly compared to the previous year, and after the normalization of epidemic conditions, ie in the post-corona period, due to the reduction of quarantine restrictions, we are witnessing an increase in temperature again in this city.