Technical note: Temporal change in averaging kernels as a source of uncertainty in trend estimates of carbon monoxide retrieved from MOPITT Written on 2020-07-01. Posted in Publications. Authors: Yoon, J. A. Pozzer, P. Hoor, D.Y. Chang, S. Beirle, T. Wagner, S. Schloegl, J. Lelieveld and H.M. WordenPublished: Atmos. Chem. Phys. 13, 11307-11316Link: 2013