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First 243 results for ” F Keppler”

  1. Atmospheric constraints on global emissions of methane from plants

    We investigate whether a recently proposed large source of CH4 from vegetation can be reconciled ...

    S Houweling, T Roeckmann, I Aben, F Keppler, M Krol, JF Meirink, EJ Dlugokencky, C Frankenberg | Status: published | Journal: Geophys. Res. Lett. | Volume: 33 | Year: 2006 | doi: doi:10.1029/2006GL026162

    Publication

  2. Quality assessment of the Ozone_cci Climate Research Data Package (release 2017) - Part 2: Ground-based validation of nadir ozone profile data products

    A Keppens, ....., JCA van Peet, RJ van der A, Et al. | Status: published | Journal: Atmospheric Measurement Techniques | Year: 2018 | First page: 3769 | Last page: 3800 | doi: 10.5194/amt-11-3769-2018

    Publication

  3. 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

  4. Round-robin evaluation of nadir ozone profile retrievals: methodology and application to MetOp-A GOME-2

    A methodology for the round-robin evaluation and the geophysical validation of ozone profile data...

    A Keppens, JC Lambert, J Granville, G Miles, R Siddans, JCA van Peet, RJ van der A, D Hubert, T Verhoelst, A Delcloo, S Godin-Beekmann, R Kivi, R Stübi, C Zehner | Status: published | Journal: Atmospheric Measurement Techniques | Volume: 8 | Year: 2015 | First page: 2093 | Last page: 2120 | doi: 10.5194/amt-8-2093-2015

    Publication

  5. Validation of the Sentinel-5 Precursor TROPOMI cloud data with Cloudnet, Aura OMI O₂–O₂ , MODIS, and Suomi-NPP VIIRS

    Accurate knowledge of cloud properties is essential to the measurement of atmospheric composition...

    Steven Compernolle, Athina Argyrouli, Ronny Lutz, Maarten Sneep, Jean-Christopher Lambert, Ann Mari Fjæraa, Daan Hubert, Arno Keppens, Diego Loyola, Ewan Ewan O'Connor, Fabian Romahn, Piet Stammes, Tijl Verhoelst and Ping Wang | Journal: Atmospheric Measurement Techniques | Volume: 14 | Year: 2021 | First page: 2451 | Last page: 2476 | doi: 10.5194/amt-14-2451-2021

    Publication