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<front>
<journal-meta>
<journal-id journal-id-type="publisher">AMTD</journal-id>
<journal-title-group>
<journal-title>Atmospheric Measurement Techniques Discussions</journal-title>
<abbrev-journal-title abbrev-type="publisher">AMTD</abbrev-journal-title>
</journal-title-group>
<issn pub-type="epub">1867-8610</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/amtd-4-3337-2011</article-id>
<title-group>
<article-title>Tropospheric and total ozone columns over Paris (France) measured using medium-resolution ground-based solar-absorption Fourier-transform infrared spectroscopy</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Viatte</surname>
<given-names>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>Gaubert</surname>
<given-names>B.</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>Eremenko</surname>
<given-names>M.</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>Hase</surname>
<given-names>F.</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>Schneider</surname>
<given-names>M.</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>Blumenstock</surname>
<given-names>T.</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>Ray</surname>
<given-names>M.</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>Chelin</surname>
<given-names>P.</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>Flaud</surname>
<given-names>J.-M.</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>Orphal</surname>
<given-names>J.</given-names>
</name>
<xref ref-type="aff" rid="aff2">
<sup>2</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA), UMR7583, CNRS &amp;ndash; Université Paris-Est Créteil et Université Paris Diderot, Institut Pierre Simon Laplace, 94010 Créteil, France</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Institute for Meteorology and Climate Research (IMK), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>Centro de Investigación Atmosférica de Izaña, Agencia Estatal de Meteorología (AEMET), Spain</addr-line>
</aff>
<pub-date pub-type="epub">
<day>31</day>
<month>05</month>
<year>2011</year>
</pub-date>
<volume>4</volume>
<issue>3</issue>
<fpage>3337</fpage>
<lpage>3358</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>
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<self-uri xlink:href="http://www.atmos-meas-tech-discuss.net/4/3337/2011/amtd-4-3337-2011.pdf">The full text article is available as a PDF file from http://www.atmos-meas-tech-discuss.net/4/3337/2011/amtd-4-3337-2011.pdf</self-uri>
<abstract>
<p>Ground-based Fourier-transform infrared (FTIR) solar absorption spectroscopy
is a powerful remote sensing technique providing information on the vertical
distribution of various atmospheric constituents. This work presents the
first evaluation of a mid-resolution ground-based FTIR to measure
tropospheric ozone, independently of stratospheric ozone. This is
demonstrated using a new atmospheric observatory (named OASIS for
&quot;Observations of the Atmosphere by Solar absorption Infrared
Spectroscopy&quot;), installed in Créteil (France). Indeed, the information
content of OASIS ozone retrievals is clearly sufficient to monitor
separately tropospheric (from the surface up to 8 km) and stratospheric
ozone. Daily mean tropospheric ozone columns derived from the Infrared
Atmospheric Sounding Interferometer (IASI) and from OASIS measurements have
been compared for summer 2009 and a good agreement of −5.6 (&amp;plusmn;16.1) %
 is observed. Also, a qualitative comparison between in-situ surface ozone
measurements and OASIS data clearly shows OASIS&apos;s capacity to monitor
seasonal tropospheric ozone variations, as well as ozone pollution episodes
in summer 2009 around Paris. Two extreme pollution events were identified
(on the 1 July and 6 August 2009) for which ozone
partial columns from OASIS and predictions from a regional air-quality model
(CHIMERE) were compared by respecting temporal and spatial coincidence
criteria. Quantitatively, an average bias of 0.2 %, a mean square error
deviation of 7.6 %, and a correlation coefficient of 0.91 was found
between CHIMERE and OASIS. This demonstrates that a mid-resolution FTIR
instrument in ground-based solar absorption geometry is a promising
technique for monitoring tropospheric ozone.</p>
</abstract>
<counts><page-count count="22"/></counts>
</article-meta>
</front>
<body/>
<back>
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