Savan Panchal, Tejas Turakhia, A. Chhabra, Rajesh C. Iyer
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Investigation on Black Carbon Concentration in Ambient Air Quality of Gandhinagar During Post Monsoon Period
In this study, ground measurements of Black Carbon (BC) concentration were collected at different locations in Gandhinagar at two different times morning and evening, the capital city of Gujarat, during Post-monsoon season for year 2017 and 2018. Delta C and Absorption Angstrom Exponent (AAE) were calculated to identify the possible sources. During study, we observed a decrease of 51.7% in BC concentration in year 2018 compared to year 2017. Regions with heavy vehicle traffic shows high BC values especially during evening time. Occurrence of high Delta C and AAE are indicative of enhanced absorption in near-UV and low-visible wavelengths attributed to the presence of biomass burning and light absorbing particulate matter.
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