Validation of ACE and OSIRIS ozone and NO2 measurements using ground-based instruments at 80N

K. Strong, R.L. Batchelor, P.F. Bernath, S. Brohede, C. Boone, D. Degenstein, W.H. Daffer, J.R. Drummond, P.F. Fogal, E. Farahani, C. Fayt, A. Fraser, F. Goutail, F. Hendrick, F. Kolonjari, R. Lindenmaier, G. Manney, C.T. McElroy, C.A. McLinden, J. Mendonca, J.-H. Park, B. Pavlovic, A. Pazmino, C. Roth, V. Savastiouk, K.A. Walker, D. Weaver, and X. Zhao