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First 227 results for ” Xiaofeng Xu”

  1. Tropospheric and Surface Nitrogen Dioxide Changes in the Greater Toronto Area during the First Two Years of the COVID-19 Pandemic

    We present tropospheric nitrogen dioxide (NO2) changes observed by the Canadian Pandora measureme...

    Xiaoyi Zhao , ORCID, Vitali Fioletov , Ramina Alwarda , Yushan Su , Debora Griffin , Dan Weaver , Kimberly Strong , Alexander Cede , , Thomas Hanisco , Martin Tiefengraber , Chris McLinden , Henk Eskes , Jonathan Davies , Akira Ogyu , Reno Sit , Ihab Abboud , Sum Chi Lee | Journal: Remote Sensing | Year: 2022 | doi: https://doi.org/10.3390/rs14071625

    Publication

  2. Model evaluation of CO2 and SF6 in the extratropical UT/LS region

    We evaluate the transport of three-dimensional chemical transport models in the upper troposphere...

    H Bonisch, P Hoor, C Gurk, W Feng, M Chipperfield, A Engel, B Bregman | Status: published | Journal: J. Geophys. Res. | Volume: 113 | Year: 2008 | doi: 10.1029/2007JD008829

    Publication

  3. Australian monsoon variability driven by a Gill-Matsuno type response to central-west Pacific warming

    AS Taschetto, RJ Haarsma, AS Gupta, CC Ummenhofer, KJ Hill, MH England | Status: published | Journal: J. Climate | Volume: 23 | Year: 2010 | First page: 4717 | Last page: 4736

    Publication

  4. First retrieval of absorbing aerosol height over dark target using TROPOMI oxygen B band: Algorithm development and application for surface particulate matter estimates

    Constraint of the vertical distribution of aerosol particles is crucial for the study of aerosol ...

    Xi Chen, Jun Wang, Xiaoguang Xu, Meng Zhou, Huanxin Zhang, Lorena Castro Garcia, Peter R. Colarco, Scott J. Janz, John Yorks, Matthew McGill, Jeffrey S. Reid, Martin de Graaf, Shobha Kondragunta | Journal: Remote Sensing of Environment | Volume: 265 | Year: 2021 | First page: 1 | Last page: 18 | doi: 10.1016/j.rse.2021.112674

    Publication

  5. Spatiotemporal variations of tropospheric SO2 over China by SCIAMACHY observations during 2004-2009

    This paper presents results of measurements of tropospheric sulphur dioxide (SO2) from satellite ...

    X Zhang, J van Geffen, H Liao, P Zhang, S Lou | Status: published | Journal: Atmos. Environm. | Volume: 60 | Year: 2012 | First page: 238 | Last page: 246 | doi: 10.1016/j.atmosenv.2012.06.009

    Publication