Zobrazeno 1 - 10
of 92
pro vyhledávání: '"T. Portafaix"'
Autor:
D. Gantois, G. Payen, M. Sicard, V. Duflot, N. Bègue, N. Marquestaut, T. Portafaix, S. Godin-Beekmann, P. Hernandez, E. Golubic
Publikováno v:
Earth System Science Data, Vol 16, Pp 4137-4159 (2024)
Understanding optical and radiative properties of aerosols and clouds is critical to reducing uncertainties in climate models. For over 10 years, the Observatory of Atmospheric Physics in Reunion (OPAR; 21.079° S, 55.383° E) has been operating thre
Externí odkaz:
https://doaj.org/article/2d1a9c3aa0794ba6b059571b7da8ce44
Autor:
P. Tulet, J. Van Baelen, P. Bosser, J. Brioude, A. Colomb, P. Goloub, A. Pazmino, T. Portafaix, M. Ramonet, K. Sellegri, M. Thyssen, L. Gest, N. Marquestaut, D. Mékiès, J.-M. Metzger, G. Athier, L. Blarel, M. Delmotte, G. Desprairies, M. Dournaux, G. Dubois, V. Duflot, K. Lamy, L. Gardes, J.-F. Guillemot, V. Gros, J. Kolasinski, M. Lopez, O. Magand, E. Noury, M. Nunes-Pinharanda, G. Payen, J. Pianezze, D. Picard, O. Picard, S. Prunier, F. Rigaud-Louise, M. Sicard, B. Torres
Publikováno v:
Earth System Science Data, Vol 16, Pp 3821-3849 (2024)
This article is devoted to the presentation of the MAP-IO observation program. This program, launched in early 2021, has enabled the observation of nearly 700 d of measurements over the Indian and Southern Ocean with the equipment of 17 meteorologica
Externí odkaz:
https://doaj.org/article/6cf5330723824c8491db5c074e5cafe4
Autor:
N. Bègue, A. Baron, G. Krysztofiak, G. Berthet, C. Kloss, F. Jégou, S. Khaykin, M. Ranaivombola, T. Millet, T. Portafaix, V. Duflot, P. Keckhut, H. Vérèmes, G. Payen, M. K. Sha, P.-F. Coheur, C. Clerbaux, M. Sicard, T. Sakai, R. Querel, B. Liley, D. Smale, I. Morino, O. Uchino, T. Nagai, P. Smale, J. Robinson, H. Bencherif
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 8031-8048 (2024)
During the 2020 austral summer, the pristine atmosphere of the southwest Indian Ocean (SWIO) basin experienced significant perturbations. This study examines the variability of aerosols and carbon monoxide (CO) over this remote oceanic region and inv
Externí odkaz:
https://doaj.org/article/64584ddd11144bcb930a5407005de939
Publikováno v:
Nonlinear Processes in Geophysics, Vol 29, Pp 265-277 (2022)
Most observational data sequences in geophysics can be interpreted as resulting from the interaction of several physical processes at several timescales and space scales. In consequence, measurement time series often have characteristics of non-linea
Externí odkaz:
https://doaj.org/article/0ed1b5c7f8a042ea90f7be175f8ff15e
Autor:
K. Lamy, T. Portafaix, C. Brogniez, K. Lakkala, M. R. A. Pitkänen, A. Arola, J.-B. Forestier, V. Amelie, M. A. Toihir, S. Rakotoniaina
Publikováno v:
Earth System Science Data, Vol 13, Pp 4275-4301 (2021)
Within the framework of the UV-Indien network, nine ground stations have been equipped with ultraviolet broadband radiometers, five of them have also been equipped with an all-sky camera, and the main station in Saint-Denis de la Réunion is also equ
Externí odkaz:
https://doaj.org/article/48e62ee7894c4069a5d7c21056cadc47
Autor:
T. Verhoelst, S. Compernolle, G. Pinardi, J.-C. Lambert, H. J. Eskes, K.-U. Eichmann, A. M. Fjæraa, J. Granville, S. Niemeijer, A. Cede, M. Tiefengraber, F. Hendrick, A. Pazmiño, A. Bais, A. Bazureau, K. F. Boersma, K. Bognar, A. Dehn, S. Donner, A. Elokhov, M. Gebetsberger, F. Goutail, M. Grutter de la Mora, A. Gruzdev, M. Gratsea, G. H. Hansen, H. Irie, N. Jepsen, Y. Kanaya, D. Karagkiozidis, R. Kivi, K. Kreher, P. F. Levelt, C. Liu, M. Müller, M. Navarro Comas, A. J. M. Piters, J.-P. Pommereau, T. Portafaix, C. Prados-Roman, O. Puentedura, R. Querel, J. Remmers, A. Richter, J. Rimmer, C. Rivera Cárdenas, L. Saavedra de Miguel, V. P. Sinyakov, W. Stremme, K. Strong, M. Van Roozendael, J. P. Veefkind, T. Wagner, F. Wittrock, M. Yela González, C. Zehner
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 481-510 (2021)
This paper reports on consolidated ground-based validation results of the atmospheric NO2 data produced operationally since April 2018 by the TROPOspheric Monitoring Instrument (TROPOMI) on board of the ESA/EU Copernicus Sentinel-5 Precursor (S5P) sa
Externí odkaz:
https://doaj.org/article/58363344ec4645f0b4d7e961a465731d
Autor:
K. Lakkala, J. Kujanpää, C. Brogniez, N. Henriot, A. Arola, M. Aun, F. Auriol, A. F. Bais, G. Bernhard, V. De Bock, M. Catalfamo, C. Deroo, H. Diémoz, L. Egli, J.-B. Forestier, I. Fountoulakis, K. Garane, R. D. Garcia, J. Gröbner, S. Hassinen, A. Heikkilä, S. Henderson, G. Hülsen, B. Johnsen, N. Kalakoski, A. Karanikolas, T. Karppinen, K. Lamy, S. F. León-Luis, A. V. Lindfors, J.-M. Metzger, F. Minvielle, H. B. Muskatel, T. Portafaix, A. Redondas, R. Sanchez, A. M. Siani, T. Svendby, J. Tamminen
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 6999-7024 (2020)
The TROPOspheric Monitoring Instrument (TROPOMI) onboard the Sentinel-5 Precursor (S5P) satellite was launched on 13 October 2017 to provide the atmospheric composition for atmosphere and climate research. The S5P is a Sun-synchronous polar-orbiting
Externí odkaz:
https://doaj.org/article/12cba6b4e567461998a5ec1839a9cc5c
Autor:
K. Lamy, T. Portafaix, B. Josse, C. Brogniez, S. Godin-Beekmann, H. Bencherif, L. Revell, H. Akiyoshi, S. Bekki, M. I. Hegglin, P. Jöckel, O. Kirner, B. Liley, V. Marecal, O. Morgenstern, A. Stenke, G. Zeng, N. L. Abraham, A. T. Archibald, N. Butchart, M. P. Chipperfield, G. Di Genova, M. Deushi, S. S. Dhomse, R.-M. Hu, D. Kinnison, M. Kotkamp, R. McKenzie, M. Michou, F. M. O'Connor, L. D. Oman, G. Pitari, D. A. Plummer, J. A. Pyle, E. Rozanov, D. Saint-Martin, K. Sudo, T. Y. Tanaka, D. Visioni, K. Yoshida
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 10087-10110 (2019)
We have derived values of the ultraviolet index (UVI) at solar noon using the Tropospheric Ultraviolet Model (TUV) driven by ozone, temperature and aerosol fields from climate simulations of the first phase of the Chemistry-Climate Model Initiative (
Externí odkaz:
https://doaj.org/article/c1e74c72a477405ab6218a51235edb2f
Publikováno v:
Annales Geophysicae, Vol 36, Pp 381-404 (2018)
Long-term variability in ozone trends was assessed over eight Southern Hemisphere tropical and subtropical sites (Natal, Nairobi, Ascension Island, Java, Samoa, Fiji, Reunion and Irene), using total column ozone data (TCO) and vertical ozone profi
Externí odkaz:
https://doaj.org/article/3490fab99e2d44808c317da0799780f7
Autor:
K. Lamy, T. Portafaix, C. Brogniez, S. Godin-Beekmann, H. Bencherif, B. Morel, A. Pazmino, J. M. Metzger, F. Auriol, C. Deroo, V. Duflot, P. Goloub, C. N. Long
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 227-246 (2018)
Surface ultraviolet radiation (SUR) is not an increasing concern after the implementation of the Montreal Protocol and the recovery of the ozone layer Morgenstern et al.(2008). However, large uncertainties remain in the prediction of future change
Externí odkaz:
https://doaj.org/article/09edfe3712a64d498d325826997e1576