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First 2508 results for ” JHGM van Geffen”

  1. 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

    Publication

  2. 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

    Publication

  3. 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

  4. 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

    Publication

  5. Evaluation of the LOTOS-EUROS NO2 simulations using ground-based measurements and S5P/TROPOMI observations over Greece

    The evaluation of chemical transport models, CTMs, is essential for the assessment of their perfo...

    I Skoulidou, ME Koukouli, A Manders, A Segers, D Karagkiozidis, M Gratsea, D Balis, A Bais, E Gerasopoulos, T Stavrakou, J van Geffen, H Eskes, A Richter | Status: published | Journal: Atm. Chem. Phys. | Volume: 21 | Year: 2021 | First page: 5269 | Last page: 5288 | doi: 10.5194/acp-21-5269-2021

    Publication