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<front>
<journal-meta>
<journal-id journal-id-type="publisher">ACP</journal-id>
<journal-title-group>
<journal-title>Atmospheric Chemistry and Physics</journal-title>
<abbrev-journal-title abbrev-type="publisher">ACP</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub">1680-7324</issn>
<publisher><publisher-name>Copernicus GmbH</publisher-name>
<publisher-loc>GÃ¶ttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/acp-11-5839-2011</article-id>
<title-group>
<article-title>Characterization of wildfire NO&lt;sub&gt;x&lt;/sub&gt; emissions using MODIS fire radiative power and OMI tropospheric NO&lt;sub&gt;2&lt;/sub&gt; columns</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Mebust</surname>
<given-names>A. K.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Russell</surname>
<given-names>A. R.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Hudman</surname>
<given-names>R. C.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Valin</surname>
<given-names>L. C.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Cohen</surname>
<given-names>R. C.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Department of Chemistry, University of California at Berkeley, Berkeley, California, USA</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Department of Earth and Planetary Science, University of California at Berkeley, Berkeley, California, USA</addr-line>
</aff>
<pub-date pub-type="epub">
<day>22</day>
<month>06</month>
<year>2011</year>
</pub-date>
<volume>11</volume>
<issue>12</issue>
<fpage>5839</fpage>
<lpage>5851</lpage>
<permissions>
<license xlink:type="simple">
<license-p>This is an open-access article ditributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.</license-p>
</license>
</permissions>
<self-uri xlink:href="http://www.atmos-chem-phys.net/11/5839/2011/acp-11-5839-2011.html">This article is available from http://www.atmos-chem-phys.net/11/5839/2011/acp-11-5839-2011.html</self-uri>
<self-uri xlink:href="http://www.atmos-chem-phys.net/11/5839/2011/acp-11-5839-2011.pdf">The full text article is available as a PDF file from http://www.atmos-chem-phys.net/11/5839/2011/acp-11-5839-2011.pdf</self-uri>
<abstract>
<p>We use observations of fire radiative power (FRP) from the Moderate
Resolution Imaging Spectroradiometer~(MODIS) and tropospheric NO&lt;sub&gt;2&lt;/sub&gt; column
measurements from the Ozone Monitoring Instrument (OMI) to derive NO&lt;sub&gt;2&lt;/sub&gt;
wildfire emission coefficients (g MJ&lt;sup&gt;âˆ’1&lt;/sup&gt;) for three land types over
California and Nevada. Retrieved emission coefficients were
0.279&amp;plusmn;0.077, 0.342&amp;plusmn;0.053, and
0.696&amp;plusmn;0.088 g MJ&lt;sup&gt;âˆ’1&lt;/sup&gt; NO&lt;sub&gt;2&lt;/sub&gt; for forest, grass and shrub fuels,
respectively. These emission coefficients reproduce ratios of emissions with
fuel type reported previously using independent methods. However, the
magnitude of these coefficients is lower than prior estimates. While it is
possible that a negative bias in the OMI NO&lt;sub&gt;2&lt;/sub&gt; retrieval over regions of
active fire emissions is partly responsible, comparison with several other
studies of fire emissions using satellite platforms indicates that current
emission factors may overestimate the contributions of flaming combustion and
underestimate the contributions of smoldering combustion to total fire
emissions. Our results indicate that satellite data can provide an extensive
characterization of the variability in fire NO&lt;sub&gt;x&lt;/sub&gt; emissions; 67 %
of the variability in emissions in this region can be accounted for using an
FRP-based parameterization.</p>
</abstract>
<counts><page-count count="13"/></counts>
</article-meta>
</front>
<body/>
<back>
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