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Volume 16, issue 8
Atmos. Chem. Phys., 16, 5283–5298, 2016
https://doi.org/10.5194/acp-16-5283-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: East Asia emissions assessment (EA2)

Special issue: Ten years of Ozone Monitoring Instrument (OMI) observations...

Atmos. Chem. Phys., 16, 5283–5298, 2016
https://doi.org/10.5194/acp-16-5283-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 28 Apr 2016

Research article | 28 Apr 2016

NOx lifetimes and emissions of cities and power plants in polluted background estimated by satellite observations

Fei Liu et al.
Data sets

Tropospheric NO2 TVCDs (DOMINO v2.0) Tropospheric Emission Monitoring Internet Service (TEMIS) http://www.temis.nl/airpollution/no2.html

ERA-Interim wind reanalysis data European Centre for Medium-Range Weather Forecasts (ECMWF) http://www.ecmwf.int/en/research/climate-reanalysis/era-interim

Emission data for US power plants United States Environmental Protection Agency, Emissions & Generation Resource Integrated Database (eGRID) https://www.epa.gov/energy/egrid

Emission data for Chinese cities Multi-resolution Emission Inventory for China (MEIC) http://www.meicmodel.org

Emission data for US cities Joint Research Centre, Emission Database for Global Atmospheric Research (EDGAR) http://edgar.jrc.ec.europa.eu/overview.php?v=42

Sounding measurements University of Wyoming, Department of Atmospheric Science http://weather.uwyo.edu/upperair/sounding.html

GTOPO30 elevation data US Geological Survey https://lta.cr.usgs.gov/GTOPO30

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Short summary
We present a new method to quantify NOx emissions and corresponding atmospheric lifetimes from OMI NO2 observations together with ECMWF wind fields without further model input for sources located in polluted background. The derived NOx emissions show generally good agreement with bottom-up inventories for power plants and cities. Global inventory significantly underestimated NOx emissions in Chinese cities, most likely due to uncertainties associated with downscaling approaches.
We present a new method to quantify NOx emissions and corresponding atmospheric lifetimes from...
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