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                        <gco:Integer>10000</gco:Integer>
                     </gmd:denominator>
                  </gmd:MD_RepresentativeFraction>
               </gmd:equivalentScale>
            </gmd:MD_Resolution>
         </gmd:spatialResolution>
         <gmd:language>
            <gmd:LanguageCode codeList="http://www.loc.gov/standards/iso639-2/" codeListValue="fre"/>
         </gmd:language>
         <gmd:characterSet>
            <gmd:MD_CharacterSetCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_CharacterSetCode"
                                     codeListValue="utf8"/>
         </gmd:characterSet>
         <gmd:topicCategory>
            <gmd:MD_TopicCategoryCode>environment</gmd:MD_TopicCategoryCode>
         </gmd:topicCategory>
         <gmd:environmentDescription>
            <gco:CharacterString>Les logiciels utilisés pour le traitement et l'analyse de l'image sont  ENVI 4.8, IDL 8.0  et ArcGis 10</gco:CharacterString>
         </gmd:environmentDescription>
         <gmd:extent>
            <gmd:EX_Extent>
               <gmd:description>
                  <gco:CharacterString>AQUITAINE</gco:CharacterString>
               </gmd:description>
               <gmd:geographicElement>
                  <gmd:EX_GeographicDescription>
                     <gmd:geographicIdentifier>
                        <gmd:MD_Identifier>
                           <gmd:code>
                              <gco:CharacterString>http://pigma.org/TDC_2012_2013_LITTORAL_AQUITAIN_EPOC</gco:CharacterString>
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                        </gmd:MD_Identifier>
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               <gmd:geographicElement>
                  <gmd:EX_GeographicBoundingBox>
                     <gmd:westBoundLongitude>
                        <gco:Decimal>-1.60673828125</gco:Decimal>
                     </gmd:westBoundLongitude>
                     <gmd:eastBoundLongitude>
                        <gco:Decimal>-0.90361328125</gco:Decimal>
                     </gmd:eastBoundLongitude>
                     <gmd:southBoundLatitude>
                        <gco:Decimal>43.567627020180005</gco:Decimal>
                     </gmd:southBoundLatitude>
                     <gmd:northBoundLatitude>
                        <gco:Decimal>45.58911139518</gco:Decimal>
                     </gmd:northBoundLatitude>
                  </gmd:EX_GeographicBoundingBox>
               </gmd:geographicElement>
            </gmd:EX_Extent>
         </gmd:extent>
         <gmd:supplementalInformation gco:nilReason="missing">
            <gco:CharacterString/>
         </gmd:supplementalInformation>
      </gmd:MD_DataIdentification>
  </gmd:identificationInfo>
  <gmd:contentInfo xmlns:gfc="http://www.isotc211.org/2005/gfc" xmlns:gml="http://www.opengis.net/gml"
                    xmlns:sdi="http://www.easysdi.org/2011/sdi"
                    xmlns:xlink_2="http://www.w3.org/1999/xlink">
      <gmd:MD_FeatureCatalogueDescription>
         <gmd:includedWithDataset>
            <gco:Boolean>true</gco:Boolean>
         </gmd:includedWithDataset>
         <gmd:featureCatalogueCitation>
            <gmd:CI_Citation>
               <gmd:title gco:nilReason="missing">
                  <gco:CharacterString/>
               </gmd:title>
               <gmd:date>
                  <gmd:CI_Date>
                     <gmd:dateType>
                        <gmd:CI_DateTypeCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_DateTypeCode"
                                             codeListValue=""/>
                     </gmd:dateType>
                  </gmd:CI_Date>
               </gmd:date>
            </gmd:CI_Citation>
         </gmd:featureCatalogueCitation>
      </gmd:MD_FeatureCatalogueDescription>
  </gmd:contentInfo>
  <gmd:distributionInfo xmlns:gfc="http://www.isotc211.org/2005/gfc" xmlns:gml="http://www.opengis.net/gml"
                         xmlns:sdi="http://www.easysdi.org/2011/sdi"
                         xmlns:xlink_2="http://www.w3.org/1999/xlink">
      <gmd:MD_Distribution>
         <gmd:distributionFormat>
            <gmd:MD_Format>
               <gmd:name>
                  <gco:CharacterString>Shp</gco:CharacterString>
               </gmd:name>
               <gmd:version>
                  <gco:CharacterString>1.0</gco:CharacterString>
               </gmd:version>
            </gmd:MD_Format>
         </gmd:distributionFormat>
         <gmd:transferOptions>
            <gmd:MD_DigitalTransferOptions>
               <gmd:onLine>
                  <gmd:CI_OnlineResource>
                     <gmd:linkage>
                        <gmd:URL>http://www.adera.fr/cellules/geo-transfert</gmd:URL>
                     </gmd:linkage>
                     <gmd:protocol>
                        <gco:CharacterString>WWW:LINK-1.0-http--link</gco:CharacterString>
                     </gmd:protocol>
                     <gmd:name>
                        <gco:CharacterString>Adresse organisme</gco:CharacterString>
                     </gmd:name>
                  </gmd:CI_OnlineResource>
               </gmd:onLine>
            </gmd:MD_DigitalTransferOptions>
         </gmd:transferOptions>
      </gmd:MD_Distribution>
  </gmd:distributionInfo>
  <gmd:dataQualityInfo xmlns:gfc="http://www.isotc211.org/2005/gfc" xmlns:gml="http://www.opengis.net/gml"
                        xmlns:sdi="http://www.easysdi.org/2011/sdi"
                        xmlns:xlink_2="http://www.w3.org/1999/xlink">
      <gmd:DQ_DataQuality>
         <gmd:scope>
            <gmd:DQ_Scope>
               <gmd:level>
                  <gmd:MD_ScopeCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_ScopeCode"
                                    codeListValue="dataset"/>
               </gmd:level>
               <gmd:extent>
                  <gmd:EX_Extent>
                     <gmd:description>
                        <gco:CharacterString>Le traitement s'étend sur différents sites de la côte Aquitaine</gco:CharacterString>
                     </gmd:description>
                  </gmd:EX_Extent>
               </gmd:extent>
            </gmd:DQ_Scope>
         </gmd:scope>
         <gmd:lineage>
            <gmd:LI_Lineage>
               <gmd:statement>
                  <gco:CharacterString>L’information bathymétrique est retrouvée par des étapes successives de transformation mathématique de la radiométrie des pixels :

• Calibration radiométrique de l’image par des corrections atmosphériques en utilisant le modèle de transfert radiatif 6S et en s’appuyant sur des données exogènes (réseau AERONET) pour qualifier la composition de l’atmosphère en aérosols au moment de la prise de vue ;
• Conversion de l’image en réflectance de sub-surface (sous l’interface air-eau) ;
• Transformation en hauteur d’eau par l’application de l’algorithme semi-analytique de Lee et al. (1998). La paramétrisation de la relation d’inversion bathymétrique s’appuie sur des données propres à l’image (réflectance du fond et des eaux du large) et sur la détermination du coefficient d’atténuation de la lumière dans l’eau (K), propriété optique de la colonne d’eau variable dans l’espace (au sein de l’image) et dans le temps (entre différentes prises de vue).
Suivant le cas de figure, K est obtenu par mesure in-situ, satellite, ou ajustement empirique à partir de données de sondage synchrones  à l'acquisition de la prise de vue.    
• Transformation en profondeur relative à la référence altitudinale (Zéro Hydrographique ou NGF)</gco:CharacterString>
               </gmd:statement>
               <gmd:source>
                  <gmd:LI_Source>
                     <gmd:description>
                        <gco:CharacterString>Source : qui a constitué la donnée ?</gco:CharacterString>
                     </gmd:description>
                     <gmd:sourceReferenceSystem>
                        <gmd:MD_ReferenceSystem>
                           <gmd:referenceSystemIdentifier>
                              <gmd:RS_Identifier>
                                 <gmd:code>
                                    <gco:CharacterString>RGF93 / Lambert-93 (EPSG:2154)</gco:CharacterString>
                                 </gmd:code>
                              </gmd:RS_Identifier>
                           </gmd:referenceSystemIdentifier>
                        </gmd:MD_ReferenceSystem>
                     </gmd:sourceReferenceSystem>
                  </gmd:LI_Source>
               </gmd:source>
            </gmd:LI_Lineage>
         </gmd:lineage>
      </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
</gmd:MD_Metadata>