The CU mobile Solar Occultation Flux instrument: structure functions and emission rates of NH₃, NO₂ and C₂H₆ by N. Kille, S. Baidar, P. Handley, I. Ortega, R. Sinreich, O. R. Cooper, F. Hase, J. W. Hannigan, G. Pfister, R. Volkamer

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Analyzing ozone variations and uncertainties at high latitudes during sudden stratospheric warming events using MERRA-2 by S. Bahramvash Shams, S. Bahramvash Shams, V. P. Walden, J. W. Hannigan, W. J. Randel, I. V. Petropavlovskikh, I. V. Petropavlovskikh, A. H. Butler, A. de la Cámara

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Top-down estimation of carbon monoxide emissions from the Mexico Megacity based on FTIR measurements from ground and space by W. Stremme, M. Grutter, C. Rivera, A. Bezanilla, A. R. Garcia, I. Ortega, M. George, C. Clerbaux, P.-F. Coheur, D. Hurtmans, J. W. Hannigan, M. T. Coffey

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Evaluating ethane and methane emissions associated with the development of oil and natural gas extraction in North America by B Franco, E Mahieu, L K Emmons, Z A Tzompa-Sosa, E V Fischer, K Sudo, B Bovy, S Conway, D Griffin, J W Hannigan, K Strong, K A Walker

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The Network for the Detection of Atmospheric Composition Change (NDACC): history, status and perspectives by M. De Mazière, A. M. Thompson, M. J. Kurylo, J. D. Wild, G. Bernhard, T. Blumenstock, G. O. Braathen, J. W. Hannigan, J.-C. Lambert, T. Leblanc, T. J. McGee, G. Nedoluha, I. Petropavlovskikh, G. Seckmeyer, P. C. Simon, W. Steinbrecht, S. E. Strahan

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Trends of ozone total columns and vertical distribution from FTIR observations at eight NDACC stations around the globe by C. Vigouroux, T. Blumenstock, M. Coffey, Q. Errera, O. García, N. B. Jones, J. W. Hannigan, F. Hase, B. Liley, E. Mahieu, J. Mellqvist, J. Notholt, M. Palm, G. Persson, M. Schneider, C. Servais, D. Smale, L. Thölix, M. De Mazière

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Validation of MOPITT carbon monoxide using ground-based Fourier transform infrared spectrometer data from NDACC by R. R. Buchholz, M. N. Deeter, H. M. Worden, J. Gille, D. P. Edwards, J. W. Hannigan, N. B. Jones, C. Paton-Walsh, D. W. T. Griffith, D. Smale, J. Robinson, K. Strong, S. Conway, R. Sussmann, F. Hase, T. Blumenstock, E. Mahieu, B. Langerock

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Comparison of the GOSAT TANSO-FTS TIR CH volume mixing ratio vertical profiles with those measured by ACE-FTS, ESA MIPAS, IMK-IAA MIPAS, and 16 NDACC stations by K. S. Olsen, K. Strong, K. A. Walker, K. A. Walker, C. D. Boone, P. Raspollini, J. Plieninger, W. Bader, W. Bader, S. Conway, M. Grutter, J. W. Hannigan, F. Hase, N. Jones, M. de Mazière, J. Notholt, M. Schneider, D. Smale, R. Sussmann, N. Saitoh

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An intercomparison of total column-averaged nitrous oxide between ground-based FTIR TCCON and NDACC measurements at seven sites and comparisons with the GEOS-Chem model by M. Zhou, B. Langerock, K. C. Wells, D. B. Millet, C. Vigouroux, M. K. Sha, C. Hermans, J.-M. Metzger, R. Kivi, P. Heikkinen, D. Smale, D. F. Pollard, N. Jones, N. M. Deutscher, T. Blumenstock, M. Schneider, M. Palm, J. Notholt, J. W. Hannigan, M. De Mazière

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Validation of the CrIS fast physical NH₃ retrieval with ground-based FTIR by E. Dammers, M. W. Shephard, M. Palm, K. Cady-Pereira, S. Capps, S. Capps, E. Lutsch, K. Strong, J. W. Hannigan, I. Ortega, G. C. Toon, W. Stremme, M. Grutter, N. Jones, D. Smale, J. Siemons, K. Hrpcek, D. Tremblay, M. Schaap, J. Notholt, J. W. Erisman, J. W. Erisman

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Importance of secondary sources in the atmospheric budgets of formic and acetic acids by F. Paulot, D. Wunch, J. D. Crounse, G. C. Toon, D. B. Millet, P. F. DeCarlo, C. Vigouroux, N. M. Deutscher, G. González Abad, J. Notholt, T. Warneke, J. W. Hannigan, C. Warneke, J. A. de Gouw, E. J. Dunlea, M. De Mazière, D. W. T. Griffith, P. Bernath, J. L. Jimenez, P. O. Wennberg

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Validation of OMPS Suomi NPP and OMPS NOAA‐20 Formaldehyde Total Columns With NDACC FTIR Observations by H.‐A. Kwon, G. González Abad, C. R. Nowlan, H. Chong, A. H. Souri, C. Vigouroux, A. Röhling, R. Kivi, M. Makarova, J. Notholt, M. Palm, H. Winkler, Y. Té, R. Sussmann, M. Rettinger, E. Mahieu, K. Strong, E. Lutsch, S. Yamanouchi, T. Nagahama, J. W. Hannigan, M. Zhou, I. Murata, M. Grutter, W. Stremme, M. DeMazière, N. Jones, D. Smale, I. Morino

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Evaluating modelled tropospheric columns of CH₄, CO, and O₃ in the Arctic using ground-based Fourier transform infrared (FTIR) measurements by V. A. Flood, K. Strong, C. H. Whaley, K. A. Walker, T. Blumenstock, J. W. Hannigan, J. Mellqvist, J. Notholt, M. Palm, A. N. Röhling, S. Arnold, S. Beagley, R.-Y. Chien, J. Christensen, M. Deushi, S. Dobricic, X. Dong, J. S. Fu, J. S. Fu, M. Gauss, W. Gong, J. Langner, K. S. Law, L. Marelle, T. Onishi, N. Oshima, D. A. Plummer, L. Pozzoli, L. Pozzoli, J.-C. Raut, M. A. Thomas, S. Tsyro, S. Turnock, S. Turnock

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TROPOMI–Sentinel-5 Precursor formaldehyde validation using an extensive network of ground-based Fourier-transform infrared stations by C. Vigouroux, B. Langerock, C. A. Bauer Aquino, T. Blumenstock, Z. Cheng, M. De Mazière, I. De Smedt, M. Grutter, J. W. Hannigan, N. Jones, R. Kivi, D. Loyola, E. Lutsch, E. Mahieu, M. Makarova, J.-M. Metzger, I. Morino, I. Murata, T. Nagahama, J. Notholt, I. Ortega, M. Palm, G. Pinardi, A. Röhling, D. Smale, W. Stremme, K. Strong, R. Sussmann, Y. Té, M. van Roozendael, P. Wang, H. Winkler

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Characterization and potential for reducing optical resonances in Fourier transform infrared spectrometers of the Network for the Detection of Atmospheric Composition Change (NDACC... by T. Blumenstock, F. Hase, A. Keens, D. Czurlok, O. Colebatch, O. Garcia, D. W. T. Griffith, M. Grutter, J. W. Hannigan, P. Heikkinen, P. Jeseck, N. Jones, R. Kivi, E. Lutsch, M. Makarova, H. K. Imhasin, J. Mellqvist, I. Morino, T. Nagahama, J. Notholt, I. Ortega, M. Palm, U. Raffalski, M. Rettinger, J. Robinson, M. Schneider, C. Servais, D. Smale, W. Stremme, K. Strong, R. Sussmann, Y. Té, V. A. Velazco

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Validation of MIPAS {ClONO₂} measurements by M. Höpfner, T. von Clarmann, H. Fischer, B. Funke, N. Glatthor, U. Grabowski, S. Kellmann, M. Kiefer, A. Linden, M. Milz, T. Steck, G. P. Stiller, P. Bernath, C. E. Blom, Th. Blumenstock, C. Boone, K. Chance, M. T. Coffey, F. Friedl-Vallon, D. Griffith, J. W. Hannigan, F. Hase, N. Jones, K. W. Jucks, C. Keim, A. Kleinert, W. Kouker, G. Y. Liu, E. Mahieu, J. Mellqvist, S. Mikuteit, J. Notholt, H. Oelhaf, C. Piesch, T. Reddmann, R. Ruhnke, M. Schneider, A. Strandberg, G. Toon, K. A. Walker, T. Warneke, G. Wetzel, S. Wood, R. Zander

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Tropospheric Ozone Assessment Report: Present-day distribution and trends of tropospheric ozone relevant to climate and global atmospheric chemistry model evaluation by A. Gaudel, O. R. Cooper, G. Ancellet, B. Barret, A. Boynard, J. P. Burrows, C. Clerbaux, P. -F. Coheur, J. Cuesta, E. Cuevas, S. Doniki, G. Dufour, F. Ebojie, G. Foret, O. Garcia, M. J. Granados Muños, J. W. Hannigan, F. Hase, G. Huang, B. Hassler, D. Hurtmans, D. Jaffe, N. Jones, P. Kalabokas, B. Kerridge, S. S. Kulawik, B. Latter, T. Leblanc, E. Le Flochmoën, W. Lin, J. Liu, X. Liu, E. Mahieu, A. McClure-Begley, J. L. Neu, M. Osman, M. Palm, H. Petetin, I. Petropavlovskikh, R. Querel, N. Rahpoe, A. Rozanov, M. G. Schultz, J. Schwab, R. Siddans, D. Smale, M. Steinbacher, H. Tanimoto, D. W. Tarasick, V. Thouret, A. M. Thompson, T. Trickl, E. Weatherhead, C. Wespes, H. M. Worden, C. Vigouroux, X. Xu, G. Zeng, J. Ziemke

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Validation of methane and carbon monoxide from Sentinel-5 Precursor using TCCON and NDACC-IRWG stations by M. K. Sha, B. Langerock, J.-F. L. Blavier, T. Blumenstock, T. Borsdorff, M. Buschmann, A. Dehn, M. De Mazière, N. M. Deutscher, D. G. Feist, D. G. Feist, D. G. Feist, O. E. García, D. W. T. Griffith, M. Grutter, J. W. Hannigan, F. Hase, P. Heikkinen, C. Hermans, L. T. Iraci, P. Jeseck, N. Jones, R. Kivi, N. Kumps, J. Landgraf, A. Lorente, E. Mahieu, M. V. Makarova, J. Mellqvist, J.-M. Metzger, I. Morino, T. Nagahama, J. Notholt, H. Ohyama, I. Ortega, M. Palm, C. Petri, D. F. Pollard, M. Rettinger, J. Robinson, S. Roche, C. M. Roehl, A. N. Röhling, C. Rousogenous, M. Schneider, K. Shiomi, D. Smale, W. Stremme, K. Strong, R. Sussmann, Y. Té, O. Uchino, V. A. Velazco, C. Vigouroux, M. Vrekoussis, M. Vrekoussis, P. Wang, P. Wang, T. Warneke, T. Wizenberg, D. Wunch, S. Yamanouchi, Y. Yang, Y. Yang, Y. Yang, M. Zhou

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