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First 2530 results for ” JHG van Geffen”

1. NOx emissions reduction and rebound in China due to the COVID-19 crisis

   During the COVID19 lockdown (24 January-20 March) in China low air pollution levels were reported...

   Ding, J., van der A, R., Eskes, H., Mijling, B., Stavrakou, R., van Geffen, J. and Veefkind, P. | Journal: Geophys. Res. Lett. | Volume: 47 | Year: 2020 | doi: 10.1029/2020GL089912

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2. Validation of Aura-OMI QA4ECV NO2 climate data records with ground-based DOAS networks: the role of measurement and comparison uncertainties
   S Compernolle, T Verhoelst, G Pinardi, J Granville, D Hubert, A Keppens, ......, F Boersma, ......, H Eskes, ......, A Piters, ......, J van Geffen, Et al | Status: published | Journal: Atm. Chem. Phys. | Year: 2020 | doi: 10.5194/acp-20-8017-2020

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3. 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...

   ME Koukouli, I Skoulidou, A Karavias, I Parcharidis, D Balis, A Manders, A Segers, H Eskes, J van Geffen | Status: published | Journal: Atmos. Chem. Phys. | Volume: 21 | Year: 2021 | First page: 1759 | Last page: 1774 | doi: 10.5194/acp-21-1759-2021

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4. 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

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5. Quantification of nitrogen oxides emissions from build-up of pollution over Paris with TROPOMI

   Nitrogen dioxide (NO2) is a regulated air pollutant that is of particular concern in many cities,...

   A. Lorente, K. F. Boersma, H. J. Eskes, J. P. Veefkind, J. H. G. M. van Geffen, M. B. de Zeeuw, H. A. C. Denier van der Gon, S. Beirle & M. C. Krol | Journal: Scientific Reports | Volume: 9 | Year: 2019 | First page: 20033 | doi: 10.1038/s41598-019-56428-5

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