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First 1014 results for ” Malcolm John Roberts”

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

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2. Reductions in nitrogen oxides over the Netherlands between 2005 and 2018 observed from space and on the ground: Decreasing emissions and increasing O3 indicate changing NOx chemistry

   Satellite measurements of tropospheric NO2 columns are valuable for monitoring long-term changes ...

   Marina Zara, K. Folkert Boersma, Henk Eskes, Hugo Denier van der Gon, Jordi Vilà-Guerau de Arellano, Maarten Krol, Eric van der Swaluw, William Schuch, Guus J.M. Velders | Journal: Atmospheric Environment: X | Volume: 9 | Year: 2021 | doi: 10.1016/j.aeaoa.2021.100104

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3. A global model–measurement evaluation of particle light scattering coefficients at elevated relative humidity

   The uptake of water by atmospheric aerosols has a pronounced effect on particle light scattering ...

   MA Burgos, EJ Andrews, G Titos, A Benedetti, H Bian, V Buchard, G Curci, Z Kipling, A Kirkevåg, H Kokkola, A Laakso, J Letertre-Danczak, MT Lund, H Matsui, G Myhre, C Randles, M Schulz, T van Noije, K Zhang, L Alados-Arboledas, U Baltensperger, A Jefferson, J Sherman, J Sun, E Weingartner, P Zieger | Status: published | Journal: Atmos. Chem. Phys. | Volume: 20 | Year: 2020 | First page: 10231 | Last page: 10258 | doi: 10.5194/acp-20-10231-2020

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4. Future impact of non-land based traffic emissions on atmospheric ozone and OH – an optimistic scenario and a possible mitigation strategy
   O Hodnebrog, TK Berntsen, M Gauss, V Grewe, ISA Isaksen, B Koffi, G Myhre, D Olivie, MJ Prather, JA Pyle, O. Dessens, , F Stordal, K. Odemark, S Szopa, Q Tang, PFJ van Velthoven, JE Williams | Status: published | Journal: Atm. Chem. Phys. | Volume: 11 | Year: 2011 | First page: 11293 | Last page: 11317 | doi: 10.5194/acp-11-11293-2011

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5. Future impact of traffic emissions on atmospheric ozone and OH based on two scenarios
   O Hodnebrog, TK Berntsen, O Dessens, M Gauss, V Grewe, ISA Isaksen, B Koffi, G Myhre, D Olivie, MJ Prather, F Stordal, S Szopa, Q Tang, PFJ van Velthoven, JE Williams | Status: published | Journal: Atm. Chem. Phys. | Volume: 12 | Year: 2012 | First page: 12211 | Last page: 12225 | doi: 10.5194/acp-12-12211-2012

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