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First 1633 results for ” Nicholas Herold”

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. Evaluation and comparison of CMIP6 models and MERRA-2 reanalysis AOD against Satellite observations from 2000 to 2014 over China

   Rapid industrialization and urbanization along with a growing population are contributing si...

   A. Ali, M. Bilal, Y. Wang, Z. Qiu, J.E. Nichol, G. de Leeuw, S. Ke, A. Mhawish, M.Almazroui, U. Mazhar, B. Asmerom Habtemicheal, M. Nazrul Islam | Journal: GeoscienceFrontiers | Year: 2021 | doi: 10.1016/j.gsf.2021.101325

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4. Uncertainty in Aqua-MODIS Aerosol Retrieval Algorithms during COVID-19 Lockdown.

   — This letter reports uncertainties in the AquaModerate Resolution Imaging Spectroradiometer (MO...

   Bilal, M., Qiu, Z., Nichol, J.E., Mhawish, A., Ali, M.A., Khedher, K.M., de Leeuw, G., Yu, W., Tiwari. P., Nazeer, M., and Bleiweiss, M.P. | Journal: IEEE Geoscience and Remote Sensing Letters | Year: 2021 | doi: 10.1109/LGRS.2021.3077189

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5. Comparison of Empirical and Theoretical Models of the Thermospheric Density Enhancement During the 3–4 February 2022 Geomagnetic Storm

   On 3 February 2022, at 18:13 UTC, SpaceX launched and a short time later deployed 49 Starlin...

   Jianhui He, Elvira Astafyeva, Xinan Yue, Nicholas M. Pedatella, Dong Lin, Timothy J. Fuller-Rowell, Mariangel Fedrizzi, Mihail Codrescu, Eelco Doornbos, Christian Siemes, Sean Bruinsma, Frederic Pitout, Adam Kubaryk | Journal: Space Weather | Volume: 21 | Year: 2023 | doi: https://doi.org/10.1029/2023SW003521

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