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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-8-3385-2008</article-id>
<title-group>
<article-title>Technical Note: Validation of Odin/SMR limb observations of ozone, comparisons with  OSIRIS, POAM III, ground-based and balloon-borne instruments</article-title>
</title-group>
<contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>JÃ©gou</surname>
<given-names>F.</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>Urban</surname>
<given-names>J.</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>de La NoÃ«</surname>
<given-names>J.</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>Ricaud</surname>
<given-names>P.</given-names>
</name>
<xref ref-type="aff" rid="aff4">
<sup>4</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Le FlochmoÃ«n</surname>
<given-names>E.</given-names>
</name>
<xref ref-type="aff" rid="aff4">
<sup>4</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Murtagh</surname>
<given-names>D. P.</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>Eriksson</surname>
<given-names>P.</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>Jones</surname>
<given-names>A.</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>Petelina</surname>
<given-names>S.</given-names>
</name>
<xref ref-type="aff" rid="aff5">
<sup>5</sup>
</xref>
<xref ref-type="aff" rid="aff14">
<sup>14</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Llewellyn</surname>
<given-names>E. J.</given-names>
</name>
<xref ref-type="aff" rid="aff5">
<sup>5</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Lloyd</surname>
<given-names>N. D.</given-names>
</name>
<xref ref-type="aff" rid="aff5">
<sup>5</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Haley</surname>
<given-names>C.</given-names>
</name>
<xref ref-type="aff" rid="aff6">
<sup>6</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Lumpe</surname>
<given-names>J.</given-names>
</name>
<xref ref-type="aff" rid="aff7">
<sup>7</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Randall</surname>
<given-names>C.</given-names>
</name>
<xref ref-type="aff" rid="aff8">
<sup>8</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Bevilacqua</surname>
<given-names>R. M.</given-names>
</name>
<xref ref-type="aff" rid="aff9">
<sup>9</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Catoire</surname>
<given-names>V.</given-names>
</name>
<xref ref-type="aff" rid="aff10">
<sup>10</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Huret</surname>
<given-names>N.</given-names>
</name>
<xref ref-type="aff" rid="aff10">
<sup>10</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Berthet</surname>
<given-names>G.</given-names>
</name>
<xref ref-type="aff" rid="aff10">
<sup>10</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Renard</surname>
<given-names>J. B.</given-names>
</name>
<xref ref-type="aff" rid="aff10">
<sup>10</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Strong</surname>
<given-names>K.</given-names>
</name>
<xref ref-type="aff" rid="aff11">
<sup>11</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Davies</surname>
<given-names>J.</given-names>
</name>
<xref ref-type="aff" rid="aff12">
<sup>12</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Mc Elroy</surname>
<given-names>C. T.</given-names>
</name>
<xref ref-type="aff" rid="aff12">
<sup>12</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Goutail</surname>
<given-names>F.</given-names>
</name>
<xref ref-type="aff" rid="aff13">
<sup>13</sup>
</xref>
</contrib>
<contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Pommereau</surname>
<given-names>J. P.</given-names>
</name>
<xref ref-type="aff" rid="aff13">
<sup>13</sup>
</xref>
</contrib>
</contrib-group><aff id="aff1">
<label>1</label>
<addr-line>Laboratoire des Sciences du Climat et de l&apos;Environnement, Gif sur Yvette, France</addr-line>
</aff>
<aff id="aff2">
<label>2</label>
<addr-line>Chalmers University of Technology, GÃ¶teborg, Sweden</addr-line>
</aff>
<aff id="aff3">
<label>3</label>
<addr-line>UniversitÃ© Bordeaux 1, CNRS/INSU, Laboratoire d&apos;Astrophysique de Bordeaux, Floirac, France</addr-line>
</aff>
<aff id="aff4">
<label>4</label>
<addr-line>Laboratoire d&apos;AÃ©rologie, Toulouse, France</addr-line>
</aff>
<aff id="aff5">
<label>5</label>
<addr-line>University of Saskatchewan, Saskatoon, Canada</addr-line>
</aff>
<aff id="aff6">
<label>6</label>
<addr-line>York University, Toronto, Canada</addr-line>
</aff>
<aff id="aff7">
<label>7</label>
<addr-line>Computational Physics, Inc., Boulder, Colorado, USA</addr-line>
</aff>
<aff id="aff8">
<label>8</label>
<addr-line>Laboratory for Atmospheric and Space Physics, Univ. of Colorado, Boulder, Colorado, USA</addr-line>
</aff>
<aff id="aff9">
<label>9</label>
<addr-line>Naval Research Laboratory, Washington, D.C., USA</addr-line>
</aff>
<aff id="aff10">
<label>10</label>
<addr-line>Laboratoire de Physique et de Chimie de l&apos;Environnement, OrlÃ©ans, France</addr-line>
</aff>
<aff id="aff11">
<label>11</label>
<addr-line>Department of Physics, University of Toronto, Toronto, Canada</addr-line>
</aff>
<aff id="aff12">
<label>12</label>
<addr-line>Environment Canada, Toronto, Canada</addr-line>
</aff>
<aff id="aff13">
<label>13</label>
<addr-line>Service d&apos;AÃ©ronomie, Paris, France</addr-line>
</aff>
<aff id="aff14">
<label>14</label>
<addr-line>La Trobe University, Victoria, Australia</addr-line>
</aff>
<pub-date pub-type="epub">
<day>30</day>
<month>06</month>
<year>2008</year>
</pub-date>
<volume>8</volume>
<issue>13</issue>
<fpage>3385</fpage>
<lpage>3409</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/8/3385/2008/acp-8-3385-2008.html">This article is available from http://www.atmos-chem-phys.net/8/3385/2008/acp-8-3385-2008.html</self-uri>
<self-uri xlink:href="http://www.atmos-chem-phys.net/8/3385/2008/acp-8-3385-2008.pdf">The full text article is available as a PDF file from http://www.atmos-chem-phys.net/8/3385/2008/acp-8-3385-2008.pdf</self-uri>
<abstract>
<p>The Odin satellite carries two instruments capable of determining
stratospheric ozone profiles by limb sounding: the Sub-Millimetre
Radiometer (SMR) and the UV-visible spectrograph of the OSIRIS
(Optical Spectrograph and InfraRed Imager System) instrument. A large
number of ozone profiles measurements were performed during six years
from November 2001 to present. This ozone dataset is here used to make
quantitative comparisons with satellite measurements in order to
assess the quality of the Odin/SMR ozone measurements. In a first
step, we compare Swedish SMR retrievals version 2.1, French SMR ozone
retrievals version 222 (both from the 501.8 GHz band), and the
OSIRIS retrievals version 3.0, with the operational version 4.0 ozone
product from POAM III (Polar Ozone Atmospheric Measurement). In a second
step, we refine the Odin/SMR validation by comparisons with
ground-based instruments and balloon-borne observations. We use
observations carried out within the framework of the Network for
Detection of Atmospheric Composition Change (NDACC) and balloon flight
missions conducted by the Canadian Space Agency (CSA), the Laboratoire
de Physique et de Chimie de l\&apos;{}Environnement (LPCE, OrlÃ©ans,
France), and the Service d&apos;AÃ©ronomie (SA, Paris, France).
Coincidence criteria were 5&amp;deg; in latitude&amp;times;10&amp;deg; in
longitude, and 5 h in time in Odin/POAM III comparisons, 12 h in
Odin/NDACC comparisons, and 72 h in Odin/balloons comparisons. An
agreement is found with the POAM III experiment (10â€“60 km) within
&amp;minus;0.3&amp;plusmn;0.2 ppmv (bias&amp;plusmn;standard deviation) for SMR (v222,
v2.1) and within &amp;minus;0.5&amp;plusmn;0.2 ppmv for OSIRIS (v3.0). Odin ozone
mixing ratio products are systematically slightly lower than the POAM
III data and show an ozone maximum lower by 1â€“5 km in altitude. The
comparisons with the NDACC data (10â€“34 km for ozonesonde, 10â€“50 km
for lidar, 10â€“60 for microwave instruments) yield a good agreement
within &amp;minus;0.15&amp;plusmn;0.3 ppmv for the SMR data and &amp;minus;0.3&amp;plusmn;0.3 ppmv
for the OSIRIS data. Finally the comparisons with instruments on large
balloons (10â€“31 km) show a good agreement, within
&amp;minus;0.7&amp;plusmn;1 ppmv. The official SMR v2.1 dataset is consistent in all
altitude ranges with POAM III, NDACC and large balloon-borne
instruments measurements. In the SMR v2.1 data, no different
systematic error has been found in the 0â€“35km range in comparison
with the 35â€“60 km range. The same feature has been highlighted in
both hemispheres in SMR v2.1/POAM III intercomparisons, and no
latitudinal dependence has been revealed in SMR v2.1/NDACC intercomparisons.</p>
</abstract>
<counts><page-count count="25"/></counts>
</article-meta>
</front>
<body/>
<back>
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