Effect of changing NOx lifetime on the seasonality and long-term trends of satellite-observed tropospheric NO2 columns over China

Viral Shah1, Daniel Jacob1, Ke Li1, Rachel Faye Silvern1, Shixian Zhai1, Mengyao Liu2, Jintai Lin2 and Qiang Zhang3, (1)Harvard University, Cambridge, MA, United States, (2)Peking University, Beijing, China, (3)Tsinghua University, Beijing, China