Zobrazeno 1 - 10
of 34
pro vyhledávání: '"F. Romahn"'
Autor:
K.-P. Heue, D. Loyola, F. Romahn, W. Zimmer, S. Chabrillat, Q. Errera, J. Ziemke, N. Kramarova
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 5563-5579 (2022)
We present a new tropospheric ozone dataset based on TROPOspheric Monitoring Instrument (TROPOMI)/Sentinel-5 Precursor (S5P) total ozone measurements combined with stratospheric ozone data from the Belgian Assimilation System for Chemical ObsErvation
Externí odkaz:
https://doaj.org/article/bca2ff42c484469785679a08b64194da
Autor:
P. F. Levelt, D. C. Stein Zweers, I. Aben, M. Bauwens, T. Borsdorff, I. De Smedt, H. J. Eskes, C. Lerot, D. G. Loyola, F. Romahn, T. Stavrakou, N. Theys, M. Van Roozendael, J. P. Veefkind, T. Verhoelst
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 10319-10351 (2022)
The aim of this paper is to highlight how TROPOspheric Monitoring Instrument (TROPOMI) trace gas data can best be used and interpreted to understand event-based impacts on air quality from regional to city scales around the globe. For this study, we
Externí odkaz:
https://doaj.org/article/333b8d03fbe6489485491cc6b7a0ecb9
Autor:
D. Hubert, K.-P. Heue, J.-C. Lambert, T. Verhoelst, M. Allaart, S. Compernolle, P. D. Cullis, A. Dehn, C. Félix, B. J. Johnson, A. Keppens, D. E. Kollonige, C. Lerot, D. Loyola, M. Maata, S. Mitro, M. Mohamad, A. Piters, F. Romahn, H. B. Selkirk, F. R. da Silva, R. M. Stauffer, A. M. Thompson, J. P. Veefkind, H. Vömel, J. C. Witte, C. Zehner
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 7405-7433 (2021)
Ozone in the troposphere affects humans and ecosystems as a pollutant and as a greenhouse gas. Observing, understanding and modelling this dual role, as well as monitoring effects of international regulations on air quality and climate change, howeve
Externí odkaz:
https://doaj.org/article/8b36420f14684dbbb7cb4fe2cac50185
Autor:
I. De Smedt, G. Pinardi, C. Vigouroux, S. Compernolle, A. Bais, N. Benavent, F. Boersma, K.-L. Chan, S. Donner, K.-U. Eichmann, P. Hedelt, F. Hendrick, H. Irie, V. Kumar, J.-C. Lambert, B. Langerock, C. Lerot, C. Liu, D. Loyola, A. Piters, A. Richter, C. Rivera Cárdenas, F. Romahn, R. G. Ryan, V. Sinha, N. Theys, J. Vlietinck, T. Wagner, T. Wang, H. Yu, M. Van Roozendael
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 12561-12593 (2021)
The TROPOspheric Monitoring Instrument (TROPOMI), launched in October 2017 on board the Sentinel-5 Precursor (S5P) satellite, monitors the composition of the Earth's atmosphere at an unprecedented horizontal resolution as fine as 3.5 × 5.5 km2. This
Externí odkaz:
https://doaj.org/article/63b57d1adc8e443588738fa3c1f24688
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 2993-3002 (2021)
In this paper, we discuss the method for validation of random uncertainties in the remote sensing measurements based on evaluation of the structure function, i.e., root-mean-square differences as a function of increasing spatiotemporal separation of
Externí odkaz:
https://doaj.org/article/3cf37f0974e7461b8240b6820853a314
Autor:
S. Compernolle, A. Argyrouli, R. Lutz, M. Sneep, J.-C. Lambert, A. M. Fjæraa, D. Hubert, A. Keppens, D. Loyola, E. O'Connor, F. Romahn, P. Stammes, T. Verhoelst, P. Wang
Publikováno v:
Atmospheric Measurement Techniques, Vol 14, Pp 2451-2476 (2021)
Accurate knowledge of cloud properties is essential to the measurement of atmospheric composition from space. In this work we assess the quality of the cloud data from three Copernicus Sentinel-5 Precursor (S5P) TROPOMI cloud products: (i) S5P OCRA/R
Externí odkaz:
https://doaj.org/article/02b9a7f560db4f4a8aa117b808f30edf
Autor:
M. Dameris, D. G. Loyola, M. Nützel, M. Coldewey-Egbers, C. Lerot, F. Romahn, M. van Roozendael
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 617-633 (2021)
Ozone data derived from the Tropospheric Monitoring Instrument (TROPOMI) sensor on board the Sentinel-5 Precursor satellite show exceptionally low total ozone columns in the polar region of the Northern Hemisphere (Arctic) in spring 2020. Minimum tot
Externí odkaz:
https://doaj.org/article/1d2177c8cfa44655a4627a91635299c6
Autor:
K. Garane, M.-E. Koukouli, T. Verhoelst, C. Lerot, K.-P. Heue, V. Fioletov, D. Balis, A. Bais, A. Bazureau, A. Dehn, F. Goutail, J. Granville, D. Griffin, D. Hubert, A. Keppens, J.-C. Lambert, D. Loyola, C. McLinden, A. Pazmino, J.-P. Pommereau, A. Redondas, F. Romahn, P. Valks, M. Van Roozendael, J. Xu, C. Zehner, C. Zerefos, W. Zimmer
Publikováno v:
Atmospheric Measurement Techniques, Vol 12, Pp 5263-5287 (2019)
In October 2017, the Sentinel-5 Precursor (S5P) mission was launched, carrying the TROPOspheric Monitoring Instrument (TROPOMI), which provides a daily global coverage at a spatial resolution as high as 7 km × 3.5 km and is expected to exten
Externí odkaz:
https://doaj.org/article/3264f80092504851838609033f72c96a
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLII-3, Pp 1995-1998 (2018)
Characterizing vertical distributions of ozone from nadir-viewing satellite measurements is known to be challenging, particularly the ozone information in the troposphere. A novel retrieval algorithm called Full-Physics Inverse Learning Machine (FP-I
Externí odkaz:
https://doaj.org/article/3f68a90d3c6849f18babd9c1223558c6
Autor:
D. G. Loyola, S. Gimeno García, R. Lutz, A. Argyrouli, F. Romahn, R. J. D. Spurr, M. Pedergnana, A. Doicu, V. Molina García, O. Schüssler
Publikováno v:
Atmospheric Measurement Techniques, Vol 11, Pp 409-427 (2018)
This paper presents the operational cloud retrieval algorithms for the TROPOspheric Monitoring Instrument (TROPOMI) on board the European Space Agency Sentinel-5 Precursor (S5P) mission scheduled for launch in 2017. Two algorithms working in tan
Externí odkaz:
https://doaj.org/article/0107705360794bc5986e3bba4575b509