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First 2514 results for ” J van Geffen”

  1. GOME Fast delivery and value-Added Products (GOFAP)

    RJ van der A, AJM Piters, PJM Valks, JHGM van Geffen, C Zehner | Conference: ERS-ENVISAT symposium | Place: Gothenbrug | Year: 2000 | First page: 0 | Last page: 0

    Publication

  2. Improving algorithms and uncertainty estimates for satellite NO2 retrievals: results from the quality assurance for the essential climate variables (QA4ECV) project

    Global observations of tropospheric nitrogen dioxide (NO2) columns have been shown to be feasible...

    KF Boersma, HJ Eskes, A Richter, I De Smedt, A Lorente, JHGM van Geffen, M Zara, RJ van der A | Status: published | Journal: Atmospheric Measurement Techniques | Volume: 11 | Year: 2018 | First page: 6651 | Last page: 6678 | doi: https://doi.org/10.5194/amt-11-6651-2018

    Publication

  3. 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

    Publication

  4. 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

  5. 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