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<table class="table gn-sextant-view-table">
<tr>
<td><span xml:lang="eng">Date(s)</span><span xml:lang="fre">Date de la donnÃ©e</span></td>
<td>
<dl>
<dd>10-02-2026
                                          (
                                          <div title="Date identifies when the resource was issued" xml:lang="eng">Publication</div>
<div title="Date identifies when the resource was issued" xml:lang="fre">Publication</div>)
                                       </dd>
</dl>
<dl>
<dd>05-05-2025
                                          (
                                          <div title="Date identifies when the resource was brought into
        existence
      " xml:lang="eng">Creation</div>
<div title="Date identifies when the resource was brought into
        existence
      " xml:lang="fre">CrÃ©ation</div>)
                                       </dd>
</dl>
<dl>
<dd> 17-07-2024<i class="fa fa-fw fa-arrow-right"> </i> 18-07-2024
                                           
                                          
                                          (<span xml:lang="eng">Temporal coverage</span><span xml:lang="fre">Couverture temporelle</span>)
                                          <br/></dd>
</dl>
</td>
</tr>
<tr>
<td><span xml:lang="eng">Author(s)</span><span xml:lang="fre">Auteur(s)</span></td>
<td class="" data-gn-read-more="" data-line-number="10"><a href="https://annuaire.ifremer.fr/cv/27836/" target="_blank">Trasch Martin
                                       (IFREMER)
                                       </a> 
                                    <a href="https://orcid.org/0000-0001-7451-2365" title="ORCID"><img src="https://sextant.ifremer.fr/geonetwork/sextant/style/orcid.svg" style="width:18px;margin-left: 4px;"/> </a><a href="mailto:,Martin.Trasch@ifremer.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/><a href="https://annuaire.ifremer.fr/cv/16551/" target="_blank">Repecaud Michel
                                       (IFREMER)
                                       </a> 
                                    <a href="https://orcid.org/0000-0001-6338-0125" title="ORCID"><img src="https://sextant.ifremer.fr/geonetwork/sextant/style/orcid.svg" style="width:18px;margin-left: 4px;"/> </a><a href="mailto:,Michel.Repecaud@ifremer.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/><a href="https://annuaire.ifremer.fr/cv/28257/" target="_blank">Perier Vincent
                                       (IFREMER)
                                       </a> 
                                    <a href="mailto:,Vincent.Perier@ifremer.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/></td>
</tr>
<tr>
<td><span xml:lang="eng">Contact(s)</span><span xml:lang="fre">Contact(s)</span></td>
<td data-gn-read-more="" data-line-number="10">Du Parc Locmaria Geoffroy
                                    (Ship as A Service SAAS)
                                     
                                    <a href="mailto:info@serenmar.com" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/>Sextant
                                    (IFREMER)
                                     
                                    <a href="mailto:sextant@ifremer.fr" title="Email"><i class="fa fa-fw fa-envelope"> </i></a><br/></td>
</tr>
<tr>
<td><span xml:lang="eng">Source</span><span xml:lang="fre">Source</span></td>
<td>
<div xml:lang="fre">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">PDG/REM/RDT/LHyMAR</p>
</div>
<div xml:lang="eng">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">PDG/REM/RDT/LHyMAR</p>
</div><br/></td>
</tr>
<tr>
<td><span xml:lang="eng">Lineage</span><span xml:lang="fre">GÃ©nÃ©alogie</span></td>
<td data-gn-read-more="">
<div xml:lang="fre">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Projet financÃ© dans le cadre de CPER Brest Bay Base (2023-2028) avec le soutient de la rÃ©gion Bretagne, du departement du
                                          finistÃ¨re et de Brest Metropole.
                                       </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">07/2024 : Acquisition des donnÃ©es par la sociÃ©tÃ© Ship As A Service (SAAS).</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Capteurs utilisÃ©s : </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Sondeur Multifaisceaux KONSBERGÂ® EM2040 MLII </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Centrale d'attitude SBGÂ® Ekinox IS Marine Subsea IMU</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Positionnement GNSS Septentrio AsteRxA, Dual Antennes. Correction RTK</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Sonde de cÃ©lÃ©ritÃ© YSI CTD CastawayÂ® / AML MICRO-X SV</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">08/2024 : Nettoyage et traitement des donnÃ©es par la societe SAAS. ContrÃ´lÃ©es par l'Ifremer.</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Referentiel altimetrique IGN 69, site du port du Dellec, 29, France (ZH).</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Logiciel de traitement (Corrections/controle qualitÃ©)  QPSÂ® Qimera :</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Nettoyage des donnÃ©es brutes ;</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Correction des erreurs de ping ;</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Compensation dâattitude et de cÃ©lÃ©ritÃ©;</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Comparaisons inter-profils (qualitÃ©);</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Interpolation MNT : QGIS, Interpolation triangulaire de Delaunay (TIN)</p>
</div>
<div xml:lang="eng">
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Project funded thanks to the Brest Bay Base CPER (2023-2028), with the financial supports of the Brittany region, Finistere's
                                          department and the city of Brest.
                                       </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">2024-07 : data acquisition by Ship As A Service (SAAS) compagny </p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Sensors used :</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- KONSBERGÂ® EM2040 MLII multibeam echo sounder</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- SBGÂ® Ekinox IS Marine Subsea IMU attitude measurement unit</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Septentrio AsteRxA GNSS positioning, dual antennas. RTK correction</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Velocity probe YSI CTD CastawayÂ® /AML MICRO-X SV</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">2024-08: Data cleaning and processing by SAAS. Check by Ifremer</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Altimetric reference system : IGN 69, Dellec marina, dept. 29, France (ZH, under the Lower Astronomical Tide).</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">Data control and processing software QPSÂ® Qimera :</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Raw data cleaning</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Attitude and sound velocity compensation</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">- Inter-profile comparisons (quality check)</p>
<p xmlns:xs="http://www.w3.org/2001/XMLSchema">DTM Interpolation type : TIN Interpolation method from QGIS Software</p>
</div>
</td>
</tr>
<tr>
<td><span xml:lang="eng">Constraints</span><span xml:lang="fre">Contraintes</span></td>
<td class="gn-record-view_tablecell_aerate">
<dl class="gn-useLimitation">
<dt>
<div xml:lang="eng">Use limitation</div>
<div xml:lang="fre">Limitation d'utilisation</div>
</dt>
<dd><a href="https://creativecommons.org/licenses/by/4.0/">
<div xml:lang="fre">CC-BY (Creative Commons - Attribution)</div>
<div xml:lang="eng">CC-BY (Creative Commons - Attribution)</div></a></dd>
</dl>
<dl class="gn-useConstraints">
<dt>
<div xml:lang="eng">Use constraints</div>
<div xml:lang="fre">Contraintes d'utilisation</div>
</dt>
<dd>
<div title="Formal permission to do something" xml:lang="eng">License</div>
<div title="Formal permission to do something" xml:lang="fre">Licence</div>
</dd>
</dl>
</td>
</tr>
<tr>
<td><span xml:lang="eng">Spatial informations</span><span xml:lang="fre">Informations gÃ©ographiques</span></td>
<td>
<dl>
<dt><span xml:lang="eng">Data type</span><span xml:lang="fre">Type de donnÃ©es</span></dt>
<dd>
<div title="Grid data is used to represent geographic data" xml:lang="eng">Grid</div>
<div title="Grid data is used to represent geographic data" xml:lang="fre">Raster</div>
</dd>
</dl>
<dl>
<dt><span xml:lang="eng">Coordinate system</span><span xml:lang="fre">SystÃ¨me de coordonnÃ©es</span></dt>
<dd>EPSG:2154</dd>
</dl>
</td>
</tr>
</table>

> Citation proposalCiter la ressource Trasch Martin, Repecaud Michel, Perier Vincent (2026). Carte bathymetrique du site d'essais de St Anne du Portzic (2024) St Anne sea test site's bathymetric map's (2024).Sextant https://doi.org/10.12770/5c2f7b11-b424-49e9-8255-5a2bf3bbe9d8

### accessData

## Overviews

## Spatial extent

## Keywords