Zobrazeno 1 - 10
of 1 142
pro vyhledávání: '"A. Veefkind"'
Autor:
Veefkind, Lars, Cesa, Gabriele
Steerable convolutional neural networks (SCNNs) enhance task performance by modelling geometric symmetries through equivariance constraints on weights. Yet, unknown or varying symmetries can lead to overconstrained weights and decreased performance.
Externí odkaz:
http://arxiv.org/abs/2406.03946
Autor:
A. Gaudel, I. Bourgeois, M. Li, K.-L. Chang, J. Ziemke, B. Sauvage, R. M. Stauffer, A. M. Thompson, D. E. Kollonige, N. Smith, D. Hubert, A. Keppens, J. Cuesta, K.-P. Heue, P. Veefkind, K. Aikin, J. Peischl, C. R. Thompson, T. B. Ryerson, G. J. Frost, B. C. McDonald, O. R. Cooper
Publikováno v:
Atmospheric Chemistry and Physics, Vol 24, Pp 9975-10000 (2024)
Tropical tropospheric ozone (TTO) is important for the global radiation budget because the longwave radiative effect of tropospheric ozone is higher in the tropics than midlatitudes. In recent decades the TTO burden has increased, partly due to the o
Externí odkaz:
https://doaj.org/article/345c07a4dd304c5e9015fad8721a96b2
Autor:
M. Liu, R. van der A, M. van Weele, L. Bryan, H. Eskes, P. Veefkind, Y. Liu, X. Lin, J. de Laat, J. Ding
Publikováno v:
Atmospheric Measurement Techniques, Vol 17, Pp 5261-5277 (2024)
An improved divergence method has been developed to estimate annual methane (CH4) emissions from TROPOspheric Monitoring Instrument (TROPOMI) observations. It has been applied to the period of 2018 to 2021 over the Middle East, where the orography is
Externí odkaz:
https://doaj.org/article/c9390c94065b42169de43ba4a0e07923
Autor:
A. Keppens, S. Di Pede, D. Hubert, J.-C. Lambert, P. Veefkind, M. Sneep, J. De Haan, M. ter Linden, T. Leblanc, S. Compernolle, T. Verhoelst, J. Granville, O. Nath, A. M. Fjæraa, I. Boyd, S. Niemeijer, R. Van Malderen, H. G. J. Smit, V. Duflot, S. Godin-Beekmann, B. J. Johnson, W. Steinbrecht, D. W. Tarasick, D. E. Kollonige, R. M. Stauffer, A. M. Thompson, A. Dehn, C. Zehner
Publikováno v:
Atmospheric Measurement Techniques, Vol 17, Pp 3969-3993 (2024)
The Sentinel-5 Precursor (S5P) satellite operated by the European Space Agency has carried the TROPOspheric Monitoring Instrument (TROPOMI) on a Sun-synchronous low-Earth orbit since 13 October 2017. The S5P mission has acquired more than 5 years of
Externí odkaz:
https://doaj.org/article/218218c251c342fa9984d6eeb6a6f168
Autor:
Elif Duran, Juan Olvido Perea-García, Diede Piepenbrock, Celine Veefkind, Mariska E. Kret, Jorg J. M. Massen
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract External eye appearance in avian taxa has been proposed to be driven by social and ecological functions. Recent research in primates suggests, instead, that, photoprotective functions are important drivers of external eye appearance. Using s
Externí odkaz:
https://doaj.org/article/180bfbdf29c64eb182fcf991db013132
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:
Liu, Fei, Page, Aaron, Strode, Sarah A., Yoshida, Yasuko, Choi, Sungyeon, Zheng, Bo, Lamsal, Lok N., Li, Can, Krotkov, Nickolay A., Eskes, Henk, van der A, Ronald, Veefkind, Pepijn, Levelt, Pieternel, Joiner, Joanna, Hauser, Oliver P.
China's policy interventions to reduce the spread of the coronavirus disease 2019 have environmental and economic impacts. Tropospheric nitrogen dioxide indicates economic activities, as nitrogen dioxide is primarily emitted from fossil fuel consumpt
Externí odkaz:
http://arxiv.org/abs/2004.06542
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Autor:
Lindsey D. Anderson, Barbara Dix, Jordan Schnell, Robert Yokelson, J. Pepijn Veefkind, Ravan Ahmadov, Joost deGouw
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 23, Pp n/a-n/a (2023)
Abstract Wildfires have become larger and more frequent because of climate change, increasing their impact on air pollution. Air quality forecasts and climate models do not currently account for changes in the composition of wildfire emissions during
Externí odkaz:
https://doaj.org/article/7c3232cb27c944a6a9e13b5e8a3ef6b0
Autor:
S. Martínez‐Alonso, J. P. Veefkind, B. Dix, B. Gaubert, N. Theys, C. Granier, A. Soulié, S. Darras, H. Eskes, W. Tang, H. Worden, J. deGouw, P. F. Levelt
Publikováno v:
Geophysical Research Letters, Vol 50, Iss 19, Pp n/a-n/a (2023)
Abstract We have analyzed Sentinel‐5 Precursor TROPOspheric Monitoring Instrument (TROPOMI) data over the Copperbelt mining region (Democratic Republic of Congo and Zambia). Despite high background values, annual 2019–2022 means of TROPOMI NO2 (n
Externí odkaz:
https://doaj.org/article/9963ab8d863f4152a2505278479a96e9