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<p class="MsoNormal"><span style="color:#1F497D">Dear Ari,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Yes, our proposal is compatible with this definition.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Kind regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Gwen.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> Ari Lukkarinen <ari.lukkarinen@csc.fi>
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<b>Sent:</b> 14 October 2019 08:45<br>
<b>To:</b> Moncoiffe, Gwenaelle <gmon@bodc.ac.uk><br>
<b>Cc:</b> seavox@mailman.nerc-liv.ac.uk; sdc-tech@seadatanet.org<br>
<b>Subject:</b> Re: [sdc-tech] SeaVox Salt and Fresh water body gazeteer (C19) proposal<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">Hello<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">Quick comment about metadata<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">Datacite metadata schema is rather widely used in research data services.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">Recent metadatamodels have
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">"GeoLocation -> geoLocationPolygon" attribute that is defined as follows:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">A drawn polygon area, defined by a set of points and lines connecting the points in a closed chain. A polygon is delimited by geographic
points. Each point is defined by a longitudelatitude pair. The last point should be the same as the first point. Polygon that crosses the anti-meridian (i.e. the 180th meridian) can be represented by cutting it into two polygons such that neither crosses the
anti-meridian. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">On metadata harvesting point of view, it would be nice, if your metadata model would be compatible with datacite metadata model.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">For more information, see
<a href="https://schema.datacite.org/">https://schema.datacite.org</a> <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB">--<br>
Ari Lukkarinen, <br>
CSC - Tieteen tietotekniikan keskus Oy / CSC - IT Center for Science Ltd.<br>
E-mail: <a href="mailto:ari.lukkarinen@csc.fi">ari.lukkarinen@csc.fi</a> | Tel: +358-9-4572241 | Mob: +358-50-3819720<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:EN-GB"><br>
----- On 11 Oct, 2019, at 10:45, Moncoiffe, Gwenaelle <<a href="mailto:gmon@bodc.ac.uk">gmon@bodc.ac.uk</a>> wrote:<br>
<br>
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="color:black">Dear SeaVox and SDC-tech colleagues,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">The description field in the SeaVox Salt and Fresh water body gazeteer (C19), contains the minimum and maximum latitudes and longitudes that forms the bounding box around a sea area. A bounding box is defined as
the rectangle formed by the maximum lat/lon of the area of interest with its sides drawn parallel to the lines of longitude and latitude. While this is can be a useful and simple way to locate the extent of the sea area, it can result in areas that are much
larger than the sea area itself. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">In order to address this shortcoming, we are proposing to add the pair coordinates of the minimum area bounding box. This defines a rectangle around the area of interest that is not forced to be parallel to the
lines of longitude and latitude.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">The proposal is as follows:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">#1 Keep the bounding box coordinates as they currently are;<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">#2 Add the minimum area bounding box (MABB) as coordinate pairs – this gives a rectangle around the sea area that does not have to be parallel to the lines of latitude/longitude<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">#3 Use geoJSON to structure the information<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Below is our proposed geoJSON structure for the bounding box as min/max lat/lon and the minimum area bounding box as pair lat/lon coordinates:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">{<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> "type": "Feature",<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> "bbox": [-10.0, -10.0, 10.0, 10.0],<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> "geometry": {<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> "type": "Polygon",<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> "coordinates": [<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> [<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> [-10.0, -10.0],<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> [10.0, -10.0],<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> [10.0, 10.0],<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> [-10.0, 10.0],<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> [-10.0,-10.0]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> ]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> ]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> }<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">}<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Please let us know if you have any concerns, questions or suggestion to improve this proposal.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Kind regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:black">Gwen.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:12.0pt;font-family:"Helvetica",sans-serif;color:black;mso-fareast-language:EN-GB"><br>
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