MD Identifier
From Earth Science Information Partners (ESIP)
| MD_Identifier | For a value uniquely identifying an object within a namespace. | |||
|---|---|---|---|---|
| Elements |
Definition and Recommended Practice |
Examples | ||
| 1 | authority | 0..1 | Citation to person or party responsible for maintenance of the code value. | |
| 2 | code | 1 | The alphanumeric value that uniquely identifies the referenced resource. When the identifer has a permanent URL, then use the gmx:Anchor field instead of gco:CharacterString field. |
<gmd:code> <gmx:Anchor xlink:href="https://dx.doi.org/10.7289/V52Z13FT" xlink:title="DOI" xlink:actuate="onRequest"> doi:10.7289/V52Z13FT </gmx:Anchor> </gmd:code> |
| RS_Identifier | Identifier used for reference systems. | |||
|---|---|---|---|---|
| 1 | authority | 0..1 | Citation to person or party responsible for maintenance of the code value. |
authority: (CI_Citation)
title: European Petroleum Survey Group (EPSG) Geodetic Parameter Registry
date: (CI_Date)
date: 2008-11-12
dateType: (CI_DateTypeCode)
citedResponsibleParty: (CI_ResponsibleParty)
organisationName: European Petroleum Survey Group
contactInfo: (CI_Contact)
onlineResource: (CI_OnlineResource)
linkage: http://www.epsg-registry.org/
name: European Petroleum Survey Group Geodetic Parameter Dataset
description: Registry that accesses the EPSG Geodetic Parameter Dataset,
which is a structured dataset of Coordinate Reference Systems and Coordinate
Transformations.
function: (CI_OnLineFunctionCode) search
role: (inapplicable)
|
| 2 | code | 1 | The alphanumeric value that uniquely identifies the referenced resource. When the identifer has a permanent URL, then use the gmx:Anchor field instead of gco:CharacterString field. | urn:ogc:def:crs:EPSG::4326 |
| 3 | codeSpace | 0..1 | Namespace of the system in which the code is valid. | |
| 4 | version | 0..1 | The version of the code value. | 6.18.3 |
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WGS84: http://www.ngdc.noaa.gov/docucomp/2504d000-8345-11e1-b0c4-0800200c9a66.guide
