Zobrazeno 1 - 10
of 174
pro vyhledávání: '"J. van Geffen"'
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 4511-4535 (2024)
Denitrification within the stratospheric vortex is a crucial process for Antarctic ozone hole formation, resulting in an analogous stratospheric “nitrogen hole”. Sedimentation of large nitric acid trihydrate polar stratospheric cloud particles wi
Externí odkaz:
https://doaj.org/article/cfefe684d8b341a8b518f2fc2c64c390
Autor:
J. Douros, H. Eskes, J. van Geffen, K. F. Boersma, S. Compernolle, G. Pinardi, A.-M. Blechschmidt, V.-H. Peuch, A. Colette, P. Veefkind
Publikováno v:
Geoscientific Model Development, Vol 16, Pp 509-534 (2023)
The Sentinel-5P TROPOspheric Monitoring Instrument (TROPOMI) instrument, launched in October 2017, provides unique observations of atmospheric trace gases at a high resolution of about 5 km, with near-daily global coverage, resolving individual sourc
Externí odkaz:
https://doaj.org/article/9d12b0bd099c4bd48672807187ef273b
Autor:
F. J. Pérez-Invernón, H. Huntrieser, T. Erbertseder, D. Loyola, P. Valks, S. Liu, D. J. Allen, K. E. Pickering, E. J. Bucsela, P. Jöckel, J. van Geffen, H. Eskes, S. Soler, F. J. Gordillo-Vázquez, J. Lapierre
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 3329-3351 (2022)
Lightning, one of the major sources of nitrogen oxides (NOx) in the atmosphere, contributes to the tropospheric concentration of ozone and to the oxidizing capacity of the atmosphere. Lightning produces between 2 and 8 Tg N yr−1 globally and on ave
Externí odkaz:
https://doaj.org/article/24bca3fa7c43462a93c25a68e28fa131
Autor:
X. Zhang, Y. Yin, R. van der A, H. Eskes, J. van Geffen, Y. Li, X. Kuang, J. L. Lapierre, K. Chen, Z. Zhen, J. Hu, C. He, J. Chen, R. Shi, J. Zhang, X. Ye, H. Chen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 5925-5942 (2022)
Thunderstorms can significantly influence the air composition via strong updraft and lightning nitrogen oxides (LNOx). In this study, the ozonesondes and TROPOMI (TROPOspheric Monitoring Instrument) nitrogen dioxide (NO2) observations for two cases a
Externí odkaz:
https://doaj.org/article/b485c897ec69483d88203c7d2c79c688
Autor:
J. van Geffen, H. Eskes, S. Compernolle, G. Pinardi, T. Verhoelst, J.-C. Lambert, M. Sneep, M. ter Linden, A. Ludewig, K. F. Boersma, J. P. Veefkind
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 2037-2060 (2022)
Nitrogen dioxide (NO2) is one of the main data products measured by the Tropospheric Monitoring Instrument (TROPOMI) on the Sentinel-5 Precursor (S5P) satellite, which combines a high signal-to-noise ratio with daily global coverage and high spatial
Externí odkaz:
https://doaj.org/article/6a99daabdc384e0ba586429cca41d54e
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 1415-1438 (2022)
TROPOMI (TROPOspheric Monitoring Instrument) measurements of tropospheric NO2 columns provide powerful information on emissions of air pollution by ships on open sea. This information is potentially useful for authorities to help determine the (non-)
Externí odkaz:
https://doaj.org/article/961b18da0a464b0ab45b06808fbdd7d9
Autor:
I. Skoulidou, M.-E. Koukouli, A. Manders, A. Segers, D. Karagkiozidis, M. Gratsea, D. Balis, A. Bais, E. Gerasopoulos, T. Stavrakou, J. van Geffen, H. Eskes, A. Richter
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 5269-5288 (2021)
The evaluation of chemical transport models, CTMs, is essential for the assessment of their performance regarding the physical and chemical parameterizations used. While regional CTMs have been widely used and evaluated over Europe, their validation
Externí odkaz:
https://doaj.org/article/62e925d5c147484880c02babe273c572
Autor:
M.-E. Koukouli, I. Skoulidou, A. Karavias, I. Parcharidis, D. Balis, A. Manders, A. Segers, H. Eskes, J. van Geffen
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 1759-1774 (2021)
The unprecedented order, in modern peaceful times, for a near-total lockdown of the Greek population as a means of protection against severe acute respiratory syndrome coronavirus 2, commonly known as COVID-19, has generated unintentional positive si
Externí odkaz:
https://doaj.org/article/8c803d3a550b453a999ce27aa722f3b2
Publikováno v:
Atmospheric Measurement Techniques, Vol 13, Pp 4499-4520 (2020)
We present two-dimensional scanning Multi-AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) observations of nitrogen dioxide (NO2) and formaldehyde (HCHO) in Munich. Vertical columns and vertical distribution profiles of aerosol extinction
Externí odkaz:
https://doaj.org/article/1c0d82fca03a488f8d085ef54a8bf053
Autor:
S. Compernolle, T. Verhoelst, G. Pinardi, J. Granville, D. Hubert, A. Keppens, S. Niemeijer, B. Rino, A. Bais, S. Beirle, F. Boersma, J. P. Burrows, I. De Smedt, H. Eskes, F. Goutail, F. Hendrick, A. Lorente, A. Pazmino, A. Piters, E. Peters, J.-P. Pommereau, J. Remmers, A. Richter, J. van Geffen, M. Van Roozendael, T. Wagner, J.-C. Lambert
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 8017-8045 (2020)
The QA4ECV (Quality Assurance for Essential Climate Variables) version 1.1 stratospheric and tropospheric NO2 vertical column density (VCD) climate data records (CDRs) from the OMI (Ozone Monitoring Instrument) satellite sensor are validated using ND
Externí odkaz:
https://doaj.org/article/223049bb1420407e9b93636a29c87d88