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First 623 results for ” J.E. Nichol”

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. Assessing nitrogen dioxide in the Highveld troposphere: Pandora insights and TROPOMI Sentinel-5P evaluation

   Nitrogen oxides, particularly NO2, are emitted through a variety of industrial and transport proc...

   Kai-Sikhakhane, R. F., Scholes, M. C., Piketh, S. J., van Geffen, J., Garland, R. M., Havenga, H. and Scholes, R. J. | Journal: Atmosphere | Volume: 15 | Year: 2024 | First page: 1187 | doi: 10.3390/atmos15101187

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4. Observed Global Changes in Sector-Relevant Climate Extremes Indices—An Extension to HadEX3

   Global gridded data sets of observed extremes indices underpin assessments of changes in climate ...

   Robert J. H. Dunn, Nicholas Herold, Lisa V. Alexander, Markus G. Donat, Rob Allan, Margot Bador, Manola Brunet, Vincent Cheng, Wan Maisarah Wan Ibadullah, Muhammad Khairul Izzat Bin Ibrahim, Andries Kruger, Hisayuki Kubota, Tanya J. R. Lippmann, Jose Marengo, Sifiso Mbatha, Simon McGree, Sandile Ngwenya, Jose Daniel Pabon Caicedo, Andrea Ramos, Jim Salinger, Gerard van der Schrier, Arvind Srivastava, Blair Trewin, Ricardo Vásquez Yáñez, Jorge Vazquez-Aguirre, Claudia Villaroel Jiménez, Russ Vose, Mohd Noor’Arifin Bin Hj Yussof, Xuebin Zhang | Journal: Earth and Space Science | Volume: 11 | Year: 2024 | First page: e2023EA003279 | doi: https://doi.org/10.1029/2023EA003279

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5. Vertical and Horizontal Aeolus Measurement Positioning - Final Report

   Aeolus aims to measure wind profiles from the surface up to about 30 km altitude. In 2010 it was ...

   GJ Marseille, A Stoffelen, H Schyberg, L Megner, H Kornich | Year: 2013

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