Modelling the oxidation of 15 VOCs to track yields of hydrogen

Modelling the oxidation of 15 VOCs to track yields of hydrogen

A box model simulating tropospheric conditions was used to trace the oxidation pathways of 15 volatile organic compounds (VOCs). Yields of hydrogen were calculated over the duration of the model simulation and conversion factors to hydrogen were determined for individual VOCs at various simulated le...

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Veröffentlicht in:Atmospheric science letters 2010-10, Vol.11 (4), p.265-269
Hauptverfasser: Grant, Aoife, Archibald, Alexander T., Cooke, Michael C., Nickless, Graham, Shallcross, Dudley E.
Format: Artikel
Sprache:eng
Schlagworte:
Atmospheric chemistry
Atmospheric chemistry models
Chemical transport
Conversion factors
CRI‐mechanism
Ground stations
Hydrogen
Nitrogen compounds
non‐methane hydrocarbons
Organic compounds
Oxidation
Ozone
Physics
Stratosphere
tropospheric chemistry
VOCs
volatile organic compound
Volatile organic compounds
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Zusammenfassung:A box model simulating tropospheric conditions was used to trace the oxidation pathways of 15 volatile organic compounds (VOCs). Yields of hydrogen were calculated over the duration of the model simulation and conversion factors to hydrogen were determined for individual VOCs at various simulated levels of NOx. These were used to produce global budget estimates. Oxidation of non‐methane VOCs (NMVOCs) formed 20.1 Tg H2/year, while the overall VOC oxidation accounted for 45.3 Tg H2/year. To maintain the oxidation balance within global chemical transport models which do not include a detailed suite of NMVOC it may be vital to include this hydrogen source from NMVOC oxidation. Copyright © 2010 Royal Meteorological Society
ISSN:1530-261X
1530-261X
DOI:10.1002/asl.286