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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>Göttingen, Germany</publisher-loc>
</publisher>
</journal-meta>
<article-meta>
<article-id pub-id-type="doi">10.5194/acp-13-1913-2013</article-id>
<title-group>
<article-title>Evaluation of factors controlling global secondary organic aerosol production from cloud processes</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>He</surname>
<given-names>C.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
<xref ref-type="aff" rid="aff4">
<sup>4</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Liu</surname>
<given-names>J.</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>Carlton</surname>
<given-names>A. G.</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Fan</surname>
<given-names>S.</given-names>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Horowitz</surname>
<given-names>L. W.</given-names>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Levy II</surname>
<given-names>H.</given-names>
</name>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Tao</surname>
<given-names>S.</given-names>
</name>
<xref ref-type="aff" rid="aff1">
<sup>1</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>College of Urban and Environmental Sciences, Peking University, Beijing, China</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Department of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>Geophysical Fluid Dynamics Laboratory (GFDL), Princeton, NJ, USA</addr-line>
</aff>
<aff id="aff4">
<label>4</label>
<addr-line>now at: Department of Atmospheric and Oceanic Sciences, University of California at Los Angeles (UCLA), Los Angeles, CA, USA</addr-line>
</aff>
<pub-date pub-type="epub">
<day>19</day>
<month>02</month>
<year>2013</year>
</pub-date>
<volume>13</volume>
<issue>4</issue>
<fpage>1913</fpage>
<lpage>1926</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/13/1913/2013/acp-13-1913-2013.html">This article is available from http://www.atmos-chem-phys.net/13/1913/2013/acp-13-1913-2013.html</self-uri>
<self-uri xlink:href="http://www.atmos-chem-phys.net/13/1913/2013/acp-13-1913-2013.pdf">The full text article is available as a PDF file from http://www.atmos-chem-phys.net/13/1913/2013/acp-13-1913-2013.pdf</self-uri>
<abstract>
<p>Secondary organic aerosols (SOA) exert a significant influence on ambient
air quality and regional climate. Recent field, laboratorial and modeling
studies have confirmed that in-cloud processes contribute to a large
fraction of SOA production with large space-time heterogeneity. This study
evaluates the key factors that govern the production of cloud-process SOA
(SOA&lt;sub&gt;cld&lt;/sub&gt;) on a global scale based on the GFDL coupled chemistry-climate
model AM3 in which full cloud chemistry is employed. The association between
SOA&lt;sub&gt;cld&lt;/sub&gt; production rate and six factors (i.e., liquid water content
(LWC), total carbon chemical loss rate (TC&lt;sub&gt;loss&lt;/sub&gt;), temperature,
VOC/NO&lt;sub&gt;x&lt;/sub&gt;, OH, and O&lt;sub&gt;3&lt;/sub&gt;) is examined. We find that LWC alone
determines the spatial pattern of SOA&lt;sub&gt;cld&lt;/sub&gt; production, particularly over
the tropical, subtropical and temperate forest regions, and is strongly
correlated with SOA&lt;sub&gt;cld&lt;/sub&gt; production. TC&lt;sub&gt;loss&lt;/sub&gt; ranks the second and
mainly represents the seasonal variability of vegetation growth. Other
individual factors are essentially uncorrelated spatiotemporally to
SOA&lt;sub&gt;cld&lt;/sub&gt; production. We find that the rate of SOA&lt;sub&gt;cld&lt;/sub&gt; production is
simultaneously determined by both LWC and TC&lt;sub&gt;loss&lt;/sub&gt;, but responds linearly
to LWC and nonlinearly (or concavely) to TC&lt;sub&gt;loss&lt;/sub&gt;. A parameterization
based on LWC and TC&lt;sub&gt;loss&lt;/sub&gt; can capture well the spatial and temporal
variability of the process-based SOA&lt;sub&gt;cld&lt;/sub&gt; formation (&lt;i&gt;R&lt;/i&gt;&lt;sup&gt;2&lt;/sup&gt; = 0.5)
and can be easily applied to global three dimensional models to represent
the SOA production from cloud processes.</p>
</abstract>
<counts><page-count count="14"/></counts>
</article-meta>
</front>
<body/>
<back>
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