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            <gmd:EX_Extent>
               <gmd:geographicElement>
                  <gmd:EX_GeographicBoundingBox>
                     <gmd:westBoundLongitude>
                        <gco:Decimal>-56.20</gco:Decimal>
                     </gmd:westBoundLongitude>
                     <gmd:eastBoundLongitude>
                        <gco:Decimal>-51.10</gco:Decimal>
                     </gmd:eastBoundLongitude>
                     <gmd:southBoundLatitude>
                        <gco:Decimal>1.90</gco:Decimal>
                     </gmd:southBoundLatitude>
                     <gmd:northBoundLatitude>
                        <gco:Decimal>5.80</gco:Decimal>
                     </gmd:northBoundLatitude>
                  </gmd:EX_GeographicBoundingBox>
               </gmd:geographicElement>
            </gmd:EX_Extent>
         </gmd:extent>
         <gmd:supplementalInformation>
            <gco:CharacterString>Il est caractérisé par un identifiant, un ou plusieurs toponyme, un noeud initial et final, un pk initial et final, un état, un sens une navigabilité, une largeur, une nature, un gabarit et un milieu.

Certains tronçons douteux n'ont pas pu être corrigés faute d'information suffisante dans les référentiels utilisés. Dans le cas de superposition incohérentes avec des infrastructures, le champ "nature" a été renseigné avec la valeur "En attente de mise à jour".
Sur le littoral plus particulièrement, on peut retrouver des incohérences dans le tracés des tronçons et des zones hydrographiques lié à l'interconnexion des bassins versants en zone plane.</gco:CharacterString>
         </gmd:supplementalInformation>
      </gmd:MD_DataIdentification>
  </gmd:identificationInfo>
  <gmd:distributionInfo xmlns:gml="http://www.opengis.net/gml/3.2"
                         xmlns:gfc="http://www.isotc211.org/2005/gfc">
      <gmd:MD_Distribution>
         <gmd:distributor>
            <gmd:MD_Distributor>
               <gmd:distributorContact>
                  <gmd:CI_ResponsibleParty>
                     <gmd:organisationName>
                        <gco:CharacterString>DEAL Guyane</gco:CharacterString>
                     </gmd:organisationName>
                     <gmd:role>
                        <gmd:CI_RoleCode codeListValue="pointOfContact"
                                         codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_RoleCode"/>
                     </gmd:role>
                  </gmd:CI_ResponsibleParty>
               </gmd:distributorContact>
               <gmd:distributorFormat>
                  <gmd:MD_Format>
                     <gmd:name>
                        <gco:CharacterString>ESRI Shapefile</gco:CharacterString>
                     </gmd:name>
                     <gmd:version>
                        <gco:CharacterString>1998</gco:CharacterString>
                     </gmd:version>
                  </gmd:MD_Format>
               </gmd:distributorFormat>
               <gmd:distributorFormat>
                  <gmd:MD_Format>
                     <gmd:name>
                        <gco:CharacterString>MapInfo TAB</gco:CharacterString>
                     </gmd:name>
                     <gmd:version>
                        <gco:CharacterString>standard</gco:CharacterString>
                     </gmd:version>
                  </gmd:MD_Format>
               </gmd:distributorFormat>
            </gmd:MD_Distributor>
         </gmd:distributor>
         <gmd:transferOptions>
            <gmd:MD_DigitalTransferOptions>
               <gmd:unitsOfDistribution>
                  <gco:CharacterString>Guyane et bassins frontaliers</gco:CharacterString>
               </gmd:unitsOfDistribution>
               <gmd:onLine>
                  <gmd:CI_OnlineResource>
                     <gmd:linkage>
                        <gmd:URL>https://id.eaufrance.fr/ddd/ETH/2002-1#TronconHydrograElt</gmd:URL>
                     </gmd:linkage>
                     <gmd:protocol>
                        <gco:CharacterString>WWW:LINK-1.0-http--link</gco:CharacterString>
                     </gmd:protocol>
                     <gmd:name>
                        <gco:CharacterString>Consulter le dictionnaire "Référentiel hydrographique (ETH)" sur le site Sandre</gco:CharacterString>
                     </gmd:name>
                     <gmd:description gco:nilReason="missing">
                        <gco:CharacterString/>
                     </gmd:description>
                  </gmd:CI_OnlineResource>
               </gmd:onLine>
               <gmd:onLine>
                  <gmd:CI_OnlineResource>
                     <gmd:linkage>
                        <gmd:URL>https://www.sandre.eaufrance.fr/sites/default/files/IMG/pdf/1-DC_BDCARTHAGE_3_0.pdf</gmd:URL>
                     </gmd:linkage>
                     <gmd:protocol>
                        <gco:CharacterString>WWW:LINK-1.0-http--link</gco:CharacterString>
                     </gmd:protocol>
                     <gmd:name>
                        <gco:CharacterString>Consulter le descriptif de contenu de la BD CARTHAGE</gco:CharacterString>
                     </gmd:name>
                     <gmd:description gco:nilReason="missing">
                        <gco:CharacterString/>
                     </gmd:description>
                  </gmd:CI_OnlineResource>
               </gmd:onLine>
               <gmd:onLine>
                  <gmd:CI_OnlineResource>
                     <gmd:linkage>
                        <gmd:URL>https://services.sandre.eaufrance.fr/geo/eth?SERVICE=WFS&amp;VERSION=2.0.0&amp;REQUEST=GetFeature&amp;typename=TronconHydrograElt_GUF&amp;SRSNAME=EPSG:2972&amp;OUTPUTFORMAT=SHAPEZIP</gmd:URL>
                     </gmd:linkage>
                     <gmd:protocol>
                        <gco:CharacterString>WWW:LINK-1.0-http--link</gco:CharacterString>
                     </gmd:protocol>
                     <gmd:name>
                        <gco:CharacterString>Téléchargement des données - Format ESRI Shapefile</gco:CharacterString>
                     </gmd:name>
                     <gmd:description>
                        <gco:CharacterString>Données téléchargeables</gco:CharacterString>
                     </gmd:description>
                     <gmd:function>
                        <gmd:CI_OnLineFunctionCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_OnLineFunctionCode"
                                                   codeListValue="download"/>
                     </gmd:function>
                  </gmd:CI_OnlineResource>
               </gmd:onLine>
               <gmd:onLine>
                  <gmd:CI_OnlineResource>
                     <gmd:linkage>
                        <gmd:URL>https://services.sandre.eaufrance.fr/geo/eth?SERVICE=WFS&amp;VERSION=2.0.0&amp;REQUEST=GetFeature&amp;typename=TronconHydrograElt_GUF&amp;SRSNAME=EPSG:2972&amp;OUTPUTFORMAT=MIDMIF</gmd:URL>
                     </gmd:linkage>
                     <gmd:protocol>
                        <gco:CharacterString>WWW:LINK-1.0-http--link</gco:CharacterString>
                     </gmd:protocol>
                     <gmd:name>
                        <gco:CharacterString>Téléchargement des données - Format MIF/MID</gco:CharacterString>
                     </gmd:name>
                     <gmd:function>
                        <gmd:CI_OnLineFunctionCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_OnLineFunctionCode"
                                                   codeListValue="download"/>
                     </gmd:function>
                  </gmd:CI_OnlineResource>
               </gmd:onLine>
               <gmd:onLine>
                  <gmd:CI_OnlineResource>
                     <gmd:linkage>
                        <gmd:URL>https://services.sandre.eaufrance.fr/geo/eth</gmd:URL>
                     </gmd:linkage>
                     <gmd:protocol>
                        <gco:CharacterString>OGC:WFS</gco:CharacterString>
                     </gmd:protocol>
                     <gmd:name>
                        <gco:CharacterString>TronconHydrograElt_GUF</gco:CharacterString>
                     </gmd:name>
                     <gmd:description>
                        <gco:CharacterString>Tronçons hydrographiques élémentaires Guyane</gco:CharacterString>
                     </gmd:description>
                     <gmd:function>
                        <gmd:CI_OnLineFunctionCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_OnLineFunctionCode"
                                                   codeListValue="download"/>
                     </gmd:function>
                  </gmd:CI_OnlineResource>
               </gmd:onLine>
               <gmd:onLine>
                  <gmd:CI_OnlineResource>
                     <gmd:linkage>
                        <gmd:URL>https://services.sandre.eaufrance.fr/geo/eth</gmd:URL>
                     </gmd:linkage>
                     <gmd:protocol>
                        <gco:CharacterString>OGC:WMS</gco:CharacterString>
                     </gmd:protocol>
                     <gmd:name>
                        <gco:CharacterString>TronconHydrograElt_GUF</gco:CharacterString>
                     </gmd:name>
                     <gmd:description>
                        <gco:CharacterString>Tronçons hydrographiques élémentaires Guyane</gco:CharacterString>
                     </gmd:description>
                  </gmd:CI_OnlineResource>
               </gmd:onLine>
               <gmd:offLine>
                  <gmd:MD_Medium>
                     <gmd:name>
                        <gmd:MD_MediumNameCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_MediumNameCode"
                                               codeListValue="onLine"/>
                     </gmd:name>
                  </gmd:MD_Medium>
               </gmd:offLine>
            </gmd:MD_DigitalTransferOptions>
         </gmd:transferOptions>
      </gmd:MD_Distribution>
  </gmd:distributionInfo>
  <gmd:dataQualityInfo xmlns:gml="http://www.opengis.net/gml/3.2"
                        xmlns:gfc="http://www.isotc211.org/2005/gfc">
      <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:DQ_Scope>
         </gmd:scope>
         <gmd:lineage>
            <gmd:LI_Lineage>
               <gmd:statement>
                  <gco:CharacterString>Le référentiel BD CARTHAGE couvre l'ensemble du territoire hydrographique de la Guyane, ce qui comprend en plus de la Guyane, les parties surinamaises et brésiliennes des bassins versants des fleuves Maroni et Oyapock. En métropole, le produit BD Carthage® est une production de l'IGN réalisée à partir de la BD Carto®. En Guyane, l'absence d'une BD Carto® couvrant tout le territoire guyanais nécessite l'utilisation de référentiel existant, disponible et en adéquation avec le travail demandé. De ce fait, pour la partie guyanaise, la méthode choisie est d'extraire le réseau hydrographique à partir du MNE DTED 2 mis à disposition après rectification. Ensuite, des corrections du réseau extrait sont demandées par photo-interprétation en utilisant les référentiels existants et disponibles auprès de la DEAL Guyane.</gco:CharacterString>
               </gmd:statement>
               <gmd:source>
                  <gmd:LI_Source>
                     <gmd:description>
                        <gco:CharacterString>Numérisation au 1/10000e des éléments visibles sur le territoire couvert par l'orthophotographie "BD ORTHO IGN".</gco:CharacterString>
                     </gmd:description>
                     <gmd:scaleDenominator>
                        <gmd:MD_RepresentativeFraction>
                           <gmd:denominator>
                              <gco:Integer>10000</gco:Integer>
                           </gmd:denominator>
                        </gmd:MD_RepresentativeFraction>
                     </gmd:scaleDenominator>
                     <gmd:sourceCitation>
                        <gmd:CI_Citation>
                           <gmd:title>
                              <gco:CharacterString>BD ORTHO 2005 - IGN</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="creation"/>
                                 </gmd:dateType>
                              </gmd:CI_Date>
                           </gmd:date>
                           <gmd:editionDate>
                              <gco:Date>2006-12-31</gco:Date>
                           </gmd:editionDate>
                           <gmd:presentationForm>
                              <gmd:CI_PresentationFormCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_PresentationFormCode"
                                                           codeListValue="imageDigital"/>
                           </gmd:presentationForm>
                        </gmd:CI_Citation>
                     </gmd:sourceCitation>
                  </gmd:LI_Source>
               </gmd:source>
               <gmd:source>
                  <gmd:LI_Source>
                     <gmd:description>
                        <gco:CharacterString>Numérisation au 1/20000e des éléments visibles sur le territoire couvert par la mosaïque d'images SPOT à 2.5 m de résolution de 2008.</gco:CharacterString>
                     </gmd:description>
                     <gmd:scaleDenominator>
                        <gmd:MD_RepresentativeFraction>
                           <gmd:denominator>
                              <gco:Integer>20000</gco:Integer>
                           </gmd:denominator>
                        </gmd:MD_RepresentativeFraction>
                     </gmd:scaleDenominator>
                     <gmd:sourceReferenceSystem>
                        <gmd:MD_ReferenceSystem/>
                     </gmd:sourceReferenceSystem>
                     <gmd:sourceCitation>
                        <gmd:CI_Citation>
                           <gmd:title>
                              <gco:CharacterString>Mosaïque SPOT, 2.5m, 2008 - IGN espace</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="publication"/>
                                 </gmd:dateType>
                              </gmd:CI_Date>
                           </gmd:date>
                           <gmd:editionDate>
                              <gco:Date>2009-02-01</gco:Date>
                           </gmd:editionDate>
                           <gmd:presentationForm>
                              <gmd:CI_PresentationFormCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_PresentationFormCode"
                                                           codeListValue="imageDigital"/>
                           </gmd:presentationForm>
                        </gmd:CI_Citation>
                     </gmd:sourceCitation>
                  </gmd:LI_Source>
               </gmd:source>
               <gmd:source>
                  <gmd:LI_Source>
                     <gmd:description>
                        <gco:CharacterString>Extraction du réseau hydrographique par exploitation du SRTM</gco:CharacterString>
                     </gmd:description>
                     <gmd:scaleDenominator>
                        <gmd:MD_RepresentativeFraction>
                           <gmd:denominator>
                              <gco:Integer>100000</gco:Integer>
                           </gmd:denominator>
                        </gmd:MD_RepresentativeFraction>
                     </gmd:scaleDenominator>
                     <gmd:sourceReferenceSystem>
                        <gmd:MD_ReferenceSystem/>
                     </gmd:sourceReferenceSystem>
                     <gmd:sourceCitation>
                        <gmd:CI_Citation>
                           <gmd:title>
                              <gco:CharacterString>Shuttle Radar Topography Mission (SRTM)</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="creation"/>
                                 </gmd:dateType>
                              </gmd:CI_Date>
                           </gmd:date>
                           <gmd:editionDate>
                              <gco:Date>2000-02-01</gco:Date>
                           </gmd:editionDate>
                           <gmd:presentationForm>
                              <gmd:CI_PresentationFormCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_PresentationFormCode"
                                                           codeListValue="modelDigital"/>
                           </gmd:presentationForm>
                        </gmd:CI_Citation>
                     </gmd:sourceCitation>
                  </gmd:LI_Source>
               </gmd:source>
               <gmd:source>
                  <gmd:LI_Source>
                     <gmd:description>
                        <gco:CharacterString>Numérisation au 1/80000e des éléments visibles sur le territoire couvert par les mosaïque d'images LANDSAT à 15m et 30m de résolution de 1990 et 2000.</gco:CharacterString>
                     </gmd:description>
                     <gmd:scaleDenominator>
                        <gmd:MD_RepresentativeFraction>
                           <gmd:denominator>
                              <gco:Integer>80000</gco:Integer>
                           </gmd:denominator>
                        </gmd:MD_RepresentativeFraction>
                     </gmd:scaleDenominator>
                     <gmd:sourceCitation>
                        <gmd:CI_Citation>
                           <gmd:title>
                              <gco:CharacterString>GEOCOVER LANDSAT</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="publication"/>
                                 </gmd:dateType>
                              </gmd:CI_Date>
                           </gmd:date>
                           <gmd:editionDate>
                              <gco:Date>2000-12-31</gco:Date>
                           </gmd:editionDate>
                           <gmd:presentationForm>
                              <gmd:CI_PresentationFormCode codeList="http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#CI_PresentationFormCode"
                                                           codeListValue="imageDigital"/>
                           </gmd:presentationForm>
                           <gmd:series>
                              <gmd:CI_Series/>
                           </gmd:series>
                        </gmd:CI_Citation>
                     </gmd:sourceCitation>
                  </gmd:LI_Source>
               </gmd:source>
            </gmd:LI_Lineage>
         </gmd:lineage>
      </gmd:DQ_DataQuality>
  </gmd:dataQualityInfo>
</gmd:MD_Metadata>