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First 1205 results for ” Gérard Ancellet”

1. Ground-based tropospheric ozone measurements: regional tropospheric ozone column trends from the TOAR-II/HEGIFTOM homogenized datasets

   Quantifying long-term free-tropospheric ozone trends is essential for understanding the impact of...

   Roeland Van Malderen, Zhou Zang, Kai-Lan Chang, Robin Björklund, Owen R. Cooper, Jane Liu, Eliane Maillard Barras, Corinne Vigouroux, Irina Petropavlovskikh, Thierry Leblanc, Valérie Thouret, Pawel Wolff, Peter Effertz, Audrey Gaudel, David W. Tarasick, Herman G. J. Smit, Anne M. Thompson, Ryan M. Stauffer, Debra E. Kollonige, Deniz Poyraz, Gérard Ancellet, Marie-Renée De Backer, Matthias M. Frey, James W. Hannigan, José L. Hernandez, Bryan J. Johnson, Nicholas Jones, Rigel Kivi, Emmanuel Mahieu, Isamu Morino, Glen McConville, Katrin Müller, Isao Murata, Justus Notholt, Ankie Piters, Maxime Prignon, Richard Querel, Vincenzo Rizi, Dan Smale, Wolfgang Steinbrecht, Kimberly Strong, and Ralf Sussmann | Journal: Atmospheric Chemistry and Physics | Volume: 25 | Year: 2025 | First page: 9905 | Last page: 9935 | doi: https://doi.org/10.5194/acp-25-9905-2025

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2. Global ground-based tropospheric ozone measurements: reference data and individual site trends (2000–2022) from the TOAR-II/HEGIFTOM project

   Tropospheric ozone trends from models and satellites are found to diverge. Ground-based (GB) obse...

   Roeland Van Malderen, Anne M. Thompson, Debra E. Kollonige, Ryan M. Stauffer, Herman G. J. Smit, Eliane Maillard Barras, Corinne Vigouroux, Irina Petropavlovskikh, Thierry Leblanc, Valérie Thouret, Pawel Wolff, Peter Effertz, David W. Tarasick, Deniz Poyraz, Gérard Ancellet, Marie-Renée De Backer, Stéphanie Evan, Victoria Flood, Matthias M. Frey, James W. Hannigan, José L. Hernandez, Marco Iarlori, Bryan J. Johnson, Nicholas Jones, Rigel Kivi, Emmanuel Mahieu, Glen McConville, Katrin Müller, Tomoo Nagahama, Justus Notholt, Ankie Piters, Natalia Prats, Richard Querel, Dan Smale, Wolfgang Steinbrecht, Kimberly Strong, and Ralf Sussmann | Journal: Atmospheric Chemistry and Physics | Volume: 25 | Year: 2025 | First page: 7187 | Last page: 7225 | doi: https://doi.org/10.5194/acp-25-7187-2025

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3. Atmospheric composition of West Africa: highlights from the AMMA international program
   CH Mari, CE Reeves, K.S. Law, G Ancellet, M Dolores Andres-Hernandez, B Barret, J. Bechara, A. Borbon, I Bouarar, F. Cairo, R. Commane, C Delon, M.J. Evans, F. Fierli, C Floquet, C. Galy-Laxaux, DE Heard, C.D. Homan, T. Ingham, N Larsen, A.C. Lewis, C. Liousse, JG Murhpy, E. Orlandi, D.E. Oram, M Saunois, D. Serca, DJ Stewart, D. Stone, V. Thouret, PFJ van Velthoven, J Williams | Status: accepted | Journal: Atmos. Sci. Lett. | Year: 2010 | doi: doi: 10.1002/asl.289

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4. Relative drifts and stability of satellite and ground-based stratospheric ozone profiles at NDACC lidar stations

   The long-term evolution of stratospheric ozone at different stations in the low and mid-latitudes...

   PJ Nair, S Godin-Beekmann, L Froidevaux, LE Flynn, JM Zawodny, JM Russell, A Pazmino, G Ancellet, W Steinbrecht, H Claude, T Leblanc, IS McDermid, JAE van Gijsel, B Johnson, A Thomas | Status: published | Journal: Atmospheric Measurement Techniques | Volume: 5 | Year: 2012 | First page: 1301 | Last page: 1318 | doi: 10.5194/amt-5-1301-2012

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5. Combined UV and IR ozone profile retrieval from TROPOMI and CrIS measurements

   Vertical ozone profiles from combined spectral measurements in the ultraviolet and infrared spect...

   Mettig, N., Weber, M., Rozanov, A., Burrows, J. P., Veefkind, P., Thompson, A. M., Stauffer, R. M., Leblanc, T., Ancellet, G., Newchurch, M. J., Kuang, S., Kivi, R., Tully, M. B., Van Malderen, R., Piters, A., Kois, B., Stübi, R., and Skrivankova, P. | Journal: Atmos. Meas. Tech. | Volume: 15 | Year: 2022 | First page: 2955 | Last page: 2978 | doi: 10.5194/amt-15-2955-2022

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