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First 608 results for ” Geffen”

1. Direct Retrieval of NO2 Vertical Columns from UV-Vis (390-495 nm) Spectral Radiances Using a Neural Network

   Satellite retrievals of columnar nitrogen dioxide (NO2) are essential for the characterization of...

   Li, C., Xu, X., Liu, X., Wang, J., Sun, K., van Geffen, J., Zhu, Q., Ma, J., Jin, J., Qin, K., He, Q., Xie, P., Ren, B. and Cohen, R. C. | Journal: JOURNAL OF REMOTE SENSING | Year: 2022 | doi: https://doi.org/10.34133/2022/9817134

   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...

   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

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. Improved slant column density retrieval of nitrogen dioxide and formaldehyde for OMI and GOME-2A from QA4ECV: intercomparison, uncertainty characterisation, and trends

   Nitrogen dioxide (NO2) and formaldehyde (HCHO) column data from satellite instruments are used fo...

   M Zara, KF Boersma, I De Smedt, A Richter, E Peters, JHG van Geffen, S Beirle, T Wagner, M Van Roozendael, S Marchenko, LN Lamsal, HJ Eskes | Status: published | Journal: Atmospheric Measurement Techniques | Volume: 11 | Year: 2018 | First page: 4033 | Last page: 4058 | doi: https://doi.org/10.5194/amt-11-4033-2018

   Publication

5. A new separation methodology for the maritime sector emissions over the Mediterranean and Black Sea regions

   The aim of this paper is to apply a new lane separation methodology for the maritime sector emiss...

   Pseftogkas, A., Koukouli, M.-E., Skoulidou, I., Balis, D., Melati, C., Stavrakou, T., Falco, L., van Geffen, J., Eskes, H., Segers, A. and Manders, A. | Journal: Atmosphere | Volume: 12 | Year: 2021 | First page: 1478 | doi: 10.3390/atmos12111478

   Publication