EPSG:1086

Mean Lower Low Water Spring Tides

Attributes

Data source: OGP

Information source: IHO Dictionary, S-32, 5th Edition, 3146.

Revision date: 2017-07-14

Scope: Hydrography and Nautical Charting.

Remarks: Users are advised to not use this generic vertical datum but to define explicit realizations of MLLWS by specifying location and epoch, for instance "MLLWS at xxx during yyyy-yyyy".

Area of use: World.

SimpleMap

WGS84 bounds:
179.9 -85.0
-179.9 85.0

World.
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Definition: OGP XML

<div class="syntax"><pre><span class="cp">&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;</span> <span class="nt">&lt;gml:VerticalDatum</span> <span class="na">xmlns:epsg=</span><span class="s">&quot;urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset&quot;</span> <span class="na">xmlns:gml=</span><span class="s">&quot;http://www.opengis.net/gml/3.2&quot;</span> <span class="na">xmlns:xlink=</span><span class="s">&quot;http://www.w3.org/1999/xlink&quot;</span> <span class="na">gml:id=</span><span class="s">&quot;iogp-datum-1086&quot;</span><span class="nt">&gt;</span> <span class="nt">&lt;gml:metaDataProperty&gt;</span> <span class="nt">&lt;epsg:CommonMetaData&gt;</span> <span class="nt">&lt;epsg:type&gt;</span>vertical<span class="nt">&lt;/epsg:type&gt;</span> <span class="nt">&lt;epsg:alias</span> <span class="na">alias=</span><span class="s">&quot;MLLWS&quot;</span> <span class="na">code=</span><span class="s">&quot;25245&quot;</span> <span class="na">codeSpace=</span><span class="s">&quot;urn:ogc:def:naming-system:EPSG::7302&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;epsg:informationSource&gt;</span>IHO Dictionary, S-32, 5th Edition, 3146.<span class="nt">&lt;/epsg:informationSource&gt;</span> <span class="nt">&lt;epsg:revisionDate&gt;</span>2017-07-14<span class="nt">&lt;/epsg:revisionDate&gt;</span> <span class="nt">&lt;epsg:changes&gt;</span> <span class="nt">&lt;epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:change-request:EPSG::2011.047&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:change-request:EPSG::2017.029&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;/epsg:changes&gt;</span> <span class="nt">&lt;epsg:show&gt;</span>true<span class="nt">&lt;/epsg:show&gt;</span> <span class="nt">&lt;epsg:isDeprecated&gt;</span>false<span class="nt">&lt;/epsg:isDeprecated&gt;</span> <span class="nt">&lt;/epsg:CommonMetaData&gt;</span> <span class="nt">&lt;/gml:metaDataProperty&gt;</span> <span class="nt">&lt;gml:identifier</span> <span class="na">codeSpace=</span><span class="s">&quot;IOGP&quot;</span><span class="nt">&gt;</span>urn:ogc:def:datum:EPSG::1086<span class="nt">&lt;/gml:identifier&gt;</span> <span class="nt">&lt;gml:name&gt;</span>Mean Lower Low Water Spring Tides<span class="nt">&lt;/gml:name&gt;</span> <span class="nt">&lt;gml:remarks&gt;</span>Users are advised to not use this generic vertical datum but to define explicit realizations of MLLWS by specifying location and epoch, for instance &quot;MLLWS at xxx during yyyy-yyyy&quot;.<span class="nt">&lt;/gml:remarks&gt;</span> <span class="nt">&lt;gml:domainOfValidity</span> <span class="na">xlink:href=</span><span class="s">&quot;urn:ogc:def:area:EPSG::1262&quot;</span> <span class="nt">/&gt;</span> <span class="nt">&lt;gml:scope&gt;</span>Hydrography and Nautical Charting.<span class="nt">&lt;/gml:scope&gt;</span> <span class="nt">&lt;gml:anchorDefinition&gt;</span>The average height of the lower low water spring tides at a place.<span class="nt">&lt;/gml:anchorDefinition&gt;</span> <span class="nt">&lt;/gml:VerticalDatum&gt;</span> </pre></div>
<?xml version="1.0" encoding="UTF-8"?>
 <gml:VerticalDatum xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="iogp-datum-1086">
  <gml:metaDataProperty>
    <epsg:CommonMetaData>
      <epsg:type>vertical</epsg:type>
      <epsg:alias alias="MLLWS" code="25245" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
      <epsg:informationSource>IHO Dictionary, S-32, 5th Edition, 3146.</epsg:informationSource>
      <epsg:revisionDate>2017-07-14</epsg:revisionDate>
      <epsg:changes>
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2011.047" />
        <epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2017.029" />
      </epsg:changes>
      <epsg:show>true</epsg:show>
      <epsg:isDeprecated>false</epsg:isDeprecated>
    </epsg:CommonMetaData>
  </gml:metaDataProperty>
  <gml:identifier codeSpace="IOGP">urn:ogc:def:datum:EPSG::1086</gml:identifier>
  <gml:name>Mean Lower Low Water Spring Tides</gml:name>
  <gml:remarks>Users are advised to not use this generic vertical datum but to define explicit realizations of MLLWS by specifying location and epoch, for instance "MLLWS at xxx during yyyy-yyyy".</gml:remarks>
  <gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1262" />
  <gml:scope>Hydrography and Nautical Charting.</gml:scope>
  <gml:anchorDefinition>The average height of the lower low water spring tides at a place.</gml:anchorDefinition>
</gml:VerticalDatum>