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<front>
<journal-meta>
<journal-id journal-id-type="publisher">ACPD</journal-id>
<journal-title-group>
<journal-title>Atmospheric Chemistry and Physics Discussions</journal-title>
<abbrev-journal-title abbrev-type="publisher">ACPD</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub">1680-7375</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/acpd-9-8757-2009</article-id>
<title-group>
<article-title>IASI measurements of reactive trace species in biomass burning plumes</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Coheur</surname>
<given-names>P.-F.</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>Clarisse</surname>
<given-names>L.</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>Turquety</surname>
<given-names>S.</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
<xref ref-type="aff" rid="aff3">
<sup>3</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Hurtmans</surname>
<given-names>D.</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>Clerbaux</surname>
<given-names>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>Spectroscopie de l&apos;Atmosphère, Service de Chimie Quantique et de Photophysique, Université Libre de Bruxelles (U.L.B.), Brussels, Belgium</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>UPMC Université Paris 06, CNRS UMR8190, LATMOS/IPSL, France</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>now at: UPMC Université Paris 06, Laboratoire de Météorologie Dynamique/IPSL, Ecole Polytechnique, Palaiseau, France</addr-line>
</aff>
<aff id="aff4">
<label>4</label>
<addr-line>Research Associate and Scientific Research Worker with the FRS-F.N.R.S, Belgium</addr-line>
</aff>
<pub-date pub-type="epub">
<day>01</day>
<month>04</month>
<year>2009</year>
</pub-date>
<volume>9</volume>
<issue>2</issue>
<fpage>8757</fpage>
<lpage>8789</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-discuss.net/9/8757/2009/acpd-9-8757-2009.html">This article is available from http://www.atmos-chem-phys-discuss.net/9/8757/2009/acpd-9-8757-2009.html</self-uri>
<self-uri xlink:href="http://www.atmos-chem-phys-discuss.net/9/8757/2009/acpd-9-8757-2009.pdf">The full text article is available as a PDF file from http://www.atmos-chem-phys-discuss.net/9/8757/2009/acpd-9-8757-2009.pdf</self-uri>
<abstract>
<p>This work presents observations of a series of short-lived species in
biomass burning plumes from the Infrared Atmospheric Sounding Interferometer
(IASI), launched onboard the MetOp-A platform in October 2006. The strong
fires that have occurred in the Mediterranean Basin – and particularly
Greece – in August 2007, and those in Southern Siberia and Eastern
Mongolia in the early spring of 2008 are selected to support the analyses.
We show that the IASI infrared spectra in these fire plumes contain
distinctive signatures of ammonia (NH&lt;sub&gt;3&lt;/sub&gt;), ethene (C&lt;sub&gt;2&lt;/sub&gt;H&lt;sub&gt;4&lt;/sub&gt;),
methanol (CH&lt;sub&gt;3&lt;/sub&gt;OH) and formic acid (HCOOH) in the atmospheric window
between 800 and 1200 cm&lt;sup&gt;&amp;minus;1&lt;/sup&gt;, with some noticeable differences between the
plumes. Peroxyacetyl nitrate (CH&lt;sub&gt;3&lt;/sub&gt;COO&lt;sub&gt;2&lt;/sub&gt;NO&lt;sub&gt;2&lt;/sub&gt;, abbreviated as PAN) was
also observed in some plumes and a tentative assignment of a broadband
absorption spectral feature to acetic acid (CH&lt;sub&gt;3&lt;/sub&gt;COOH) is made. For
several of these species these are the first reported measurements made from
space in nadir geometry. The IASI measurements are analyzed for plume height
and concentration distributions of NH&lt;sub&gt;3&lt;/sub&gt;, C&lt;sub&gt;2&lt;/sub&gt;H&lt;sub&gt;4&lt;/sub&gt; and CH&lt;sub&gt;3&lt;/sub&gt;OH.
The Greek fires are studied in greater detail for the days associated with
the largest emissions. In addition to providing information on the spatial
extent of the plume, the IASI retrievals allow an estimate of the total mass
emissions for NH&lt;sub&gt;3&lt;/sub&gt;, C&lt;sub&gt;2&lt;/sub&gt;H&lt;sub&gt;4&lt;/sub&gt; and CH&lt;sub&gt;3&lt;/sub&gt;OH. Enhancement ratios
are calculated for the latter relative to carbon monoxide (CO), giving
insight in the chemical processes occurring during the transport, the first
day after the emission.</p>
</abstract>
<counts><page-count count="33"/></counts>
</article-meta>
</front>
<body/>
<back>
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