Tang, W., H. Worden, M. Deeter, D. P. Edwards, L. Emmons, S. Martínez-Alonso, B. Gaubert, R. Buchholz, G. S. Diskin, R. R. Dickerson, X. Ren, H. He, and Y. Kondo (2020), Assessing Measurements of Pollution in the Troposphere (MOPITT) carbon monoxide retrievals over urban versus non-urban regions, Atmos. Meas. Tech., 13, 1337-1356, doi:10.5194/amt-13-1337-2020.