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Advanced filters: Author: Christa Fittschen Clear advanced filters

  • The reaction of hydroxyl and methylperoxy radicals has recently been suggested as the source of missing methanol in the remote troposphere. Here, the authors present direct experimental measurements demonstrating the reaction leads to further underprediction of modelled methanol.

    • Rebecca L. Caravan
    • M. Anwar H. Khan
    • Craig A. Taatjes
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • In the atmosphere, photolysis of formaldehyde generates H and HCO radicals, which then react with O2 to form HO2 (important in converting atmospheric carbon to CO2). Now it has been shown that internally excited formaldehyde can also react with atmospheric O2 to make HO2 in a direct, one-step ‘photophysical oxidation’, a mechanism likely to be general in the troposphere.

    • Blair A. Welsh
    • Maggie E. Corrigan
    • Scott H. Kable
    Research
    Nature Chemistry
    Volume: 15, P: 1350-1357