Impacts of anthropogenic and natural NOx sources over the U.S. on tropospheric chemistry
نویسندگان
چکیده
منابع مشابه
Impacts of anthropogenic and natural NO(x) sources over the U.S. on tropospheric chemistry.
We evaluate the impact of anthropogenic and natural NO(x) sources over the contiguous United States on tropospheric NO(x) and O(3) levels by using a global 3D chemical transport model. The effects of major U.S. surface NO(x) emission sources (including anthropogenic, biomass burning, and soil emissions) are compared with that of lightning-produced NO(x). Summer lightning is shown to play a domi...
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William R. Simpson,*,† Steven S. Brown,‡ Alfonso Saiz-Lopez, Joel A. Thornton, and Roland von Glasow †Department of Chemistry and Biochemistry and Geophysical Institute, University of Alaska Fairbanks, Fairbanks, Alaska 99775, United States ‡NOAA ESRL Chemical Sciences Division, Boulder, Colorado 80305-3337, United States Atmospheric Chemistry and Climate Group, Institute of Physical Chemistry ...
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The impact of different assumptions concerning the source magnitude as well as the vertical placement of lightning-produced nitrogen oxides is studied using the global chemistry transport model MATCH-MPIC. The responses of NO x , O 3 , OH, HNO 3 and peroxyacetyl-nitrate (PAN) are investigated. A marked sensitivity to both parameters 5 was found. NO x burdens globally can be enhanced up to 100% ...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2003
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.252763799