Environmental tracers and groundwater residence time indicators reveal controls of arsenic accumulation rates beneath a rapidly developing urban area in Patna, India

Laura A. Richards^*, Rupa Kumari, Neha Parashar, Arun Kumar, Chuanhe Lu, George Wilson, Dan Lapworth, Vahid J. Niasar, Ashok Ghosh, Biswajit Chakravorty, Stefan Krause, David A. Polya, Daren C. Gooddy

^*Corresponding author for this work