Atmospheric Ammonia in Beijing during the COVID-19 Outbreak: Concentrations, Sources, and Implications
Description
This study investigates the concentrations and δ^(15)N values of NH(3) in Beijing during and after the 2020 COVID-19 lockdown. Higher NH(3) concentrations and lower δ^(15)N-NH(3(measured)) were observed at most sites in 2020 compared to 2017. Except
