Search results

First 877 results for ” Wolfgang Wagner ”

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

   Publication

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

   Publication

3. An improved TROPOMI tropospheric NO2 research product over Europe

   Launched in October 2017, the TROPOspheric Monitoring Instrument (TROPOMI) aboard Sentinel-5 Prec...

   Liu, S., Valks, P., Pinardi, G., Xu, J., Chan, K. L., Argyrouli, A., Lutz, R., Beirle, S., Khorsandi, E., Baier, F., Huijnen, V., Bais, A., Donner, S., Dörner, S., Gratsea, M., Hendrick, F., Karagkiozidis, D., Lange, K., Piters, A. J. M., Remmers, J., Richter, A., Van Roozendael, M., Wagner, T., Wenig, M., and Loyola, D. G. | Journal: Atmos. Meas. Tech. | Volume: 14 | Year: 2021 | First page: 7297 | Last page: 7327 | doi: 10.5194/amt-14-7297-2021

   Publication

4. Validation of Sentinel-5P TROPOMI tropospheric NO2 products by comparison with NO2 measurements from airborne imaging DOAS, ground-based stationary DOAS, and mobile car DOAS measurements during the S5P-VAL-DE-Ruhr campaign

   Airborne imaging differential optical absorption spectroscopy (DOAS), ground-based stationary DOA...

   Lange, K., Richter, A., Schönhardt, A., Meier, A. C., Bösch, T., Seyler, A., Krause, K., Behrens, L. K., Wittrock, F., Merlaud, A., Tack, F., Fayt, C., Friedrich, M. M., Dimitropoulou, E., Van Roozendael, M., Kumar, V., Donner, S., Dörner, S., Lauster, B., Razi, M., Borger, C., Uhlmannsiek, K., Wagner, T., Ruhtz, T., Eskes, H., Bohn, B., Santana Diaz, D., Abuhassan, N., Schüttemeyer, D., and Burrows, J. P. | Journal: Atmos. Meas. Tech. | Volume: 16 | Year: 2023 | First page: 1357 | Last page: 1389 | doi: 10.5194/amt-16-1357-2023

   Publication

5. Global retrieval of TROPOMI tropospheric HCHO and NO2 columns with improved consistency based on updated Peking University OMI NO2 algorithm,

   The TROPOspheric Monitoring Instrument (TROPOMI), aboard the Sentinel-5 Precursor (S5P) satellite...

   Zhang, Y., Yu, H., De Smedt, I., Lin, J., Theys, N., Van Roozendael, M., Pinardi, G., Compernolle, S., Ni, R., Ren, F., Wang, S., Chen, L., Van Geffen, J., Liu, M., Cede, A., Merlaud, A., Friedrich, M., Richter, A., Piters, A., Kumar, V., Sinha, V., Wagner, T., Choi, Y., Takashima, H., Kanaya, Y., Irie, H., Spurr, R., Sun, W., and Fabris, L. | Journal: Atmos. Meas. Tech. | Volume: 18 | Year: 2025 | First page: 1561 | Last page: 1589 | doi: 10.5194/amt-18-1561-2025

   Publication