-
Sudden changes in nitrogen dioxide emissions over Greece due to lockdown after the outbreak of COVID-19
The unprecedented order, in modern peaceful times, for a near-total lockdown of the Greek populat...
Koukouli, M.-E., Skoulidou, I., Karavias, A., Parcharidis, I., Balis, D., Manders, A., Segers, A., Eskes, H. and van Geffen, J | Journal: Atmospheric Chemistry and Physics | Volume: 21 | Year: 2021 | doi: https://doi.org/10.5194/acp-21-1759-2021
Publication
-
Assessing nitrogen dioxide in the Highveld troposphere: Pandora insights and TROPOMI Sentinel-5P evaluation
Nitrogen oxides, particularly NO2, are emitted through a variety of industrial and transport proc...
Kai-Sikhakhane, R. F., Scholes, M. C., Piketh, S. J., van Geffen, J., Garland, R. M., Havenga, H. and Scholes, R. J. | Journal: Atmosphere | Volume: 15 | Year: 2024 | First page: 1187 | doi: 10.3390/atmos15101187
Publication
-
Natural emissions of VOC and NOx over Africa constrainted by TROPOMI HCHO and NO2 data using the MAGRITTEv1.1 model
Natural emissions (vegetation, soil, and lightning) are the dominant sources of non-methane bioge...
Opacka, B., Stavrakou, T., Müller, J.-F., De Smedt, I., van Geffen, J., Marais, E. A., Horner, R. P., Millet, D. B., Wells, K. C. and Guenther, A. B. | Journal: Atmos. Chem. Phys. | Volume: 25 | Year: 2025 | First page: 2863 | Last page: 2894 | doi: 10.5194/acp-25-2863-2025
Publication
-
Zonkrachtverwachting, zonkrachtwijzer en de dagelijkse dosis vitamine-D
In lente en zomer is de zonkrachtverwachting een terugkerend onderdeel van de weersverwachting. A...
Jos van Geffen, Michiel van Weele, Jos de Laat, Arjan van Dijk | Journal: Meteorologica | Volume: 34 | Year: 2025 | First page: 18 | Last page: 22
Publication
-
Sunshine is an important determinant of vitamin D status even among high-dose supplement users: secondary analysis of a randomised controlled trial in Crohn's disease patients
Sunshine is considered to be the most important source of vitamin D. Due to an increased risk of ...
F O'Sullivan, T Raftery, M van Weele, J van Geffen, D McNamara, C O'Morain, N Mahmud, D Kelly, M Healy, M O'Sullivan, L Zgaga | Status: published | Journal: Photochem. and Photobiol. | Volume: 95 | Year: 2019 | First page: 1060 | Last page: 1067 | doi: 10.1111/php.13086
Publication
