The Land Use and Land Cover Relation with Air Pollutants of Rajshahi City: A Remote Sensing Approach

Over the last few decades, significant damages have been observed in our environment. Being a densely populated country, Bangladesh has also faced significant environmental challenges over the last couple of years. To understand the pattern, researchers have analyzed land coverage in several parts of the world. This study presents an analytical study of the land cover and land transition maps of Rajshahi City located in Bangladesh. Our study was focused on the years 1990,1998,2007,2014, and 2021. The maps were generated using ArcGIS 10.8 software. From our results, we observed that there was significant vegetation loss in the selected region over the years. The reduction in vegetation area is determined by a trend line of 0.8291% per year starting from 1990. Previous studies have shown that trees absorb the pollutants from the air and make the air cleaner. In this study, results show the decreasing trend of vegetation causes the absorption rate of pollutants to decrease. Several graphs showing the decreasing rate of the absorption of air pollutants due to the decreasing rate of vegetation are manifested. This eventually leads to an increase in the quantity of pollutants in the air. To cope with this vegetation loss, we have proposed a partial solution which is rooftop gardening which supports Urban planning management with greenery