Source apportionment of air CO2 using stable isotopes (δ13C and δ18O): Insights from Bengaluru city, India during an annual festival

Prosenjit Ghosh1, Aniket Dhar2, Ankit Swaraj3, Ritika Kaushal4 and Shaakir Shabir Dar4, (1)Indian Institute of Science, Centre for Earth Sciences; Divecha Centre for Climate Change, Bangalore, India, (2)Indian Institute of Science Education and Research Bhopal, Department of Earth and Environmental Sciences, Bhopal, India, (3)Indian Institute of Science, Divecha Centre for Climate Change, Bangalore, India, (4)Indian Institute of Science, Centre for Earth Science, Bangalore, India