Polar Cap North Geomagnetic Index

<?xml version="1.0" encoding="UTF-8"?>
<ComputationCapabilities xmlns="https://metadata.pithia.eu/schemas/2.2" xmlns:gco="http://www.isotc211.org/2005/gco" xmlns:gmd="http://www.isotc211.org/2005/gmd" xmlns:xlink="http://www.w3.org/1999/xlink">
    <identifier>
        <PITHIA_Identifier>
            <localID>ComputationCapabilities_Polar_Cap_North_Geomagnetic_Index</localID>
            <namespace>jfw</namespace>
            <version>1</version>
            <creationDate>2025-03-11T11:20:00Z</creationDate>
            <lastModificationDate>2025-03-11T11:20:00Z</lastModificationDate>
        </PITHIA_Identifier>
    </identifier>
    <name>Polar Cap North Geomagnetic Index</name>
    <description>The Polar Cap North index is inferred from the deviations in the horizontal H and D magnetic field components from the quiet level at the Thule, Greenland, polar cap observatory.</description>
    <documentation>
        <Citation>
            <gmd:title>
                <gco:CharacterString>IAGA endorsed PCN index description, main document with appendix A</gco:CharacterString>
            </gmd:title>
            <gmd:date>
                <gmd:CI_Date>
                    <gmd:date>
                        <gco:Date>2013-03-25</gco:Date>
                    </gmd:date>
                    <gmd:dateType>
                        <gmd:CI_DateTypeCode codeList="" codeListValue="">Publication Date</gmd:CI_DateTypeCode>
                    </gmd:dateType>
                </gmd:CI_Date>
            </gmd:date>
            <gmd:otherCitationDetails>
                <gco:CharacterString>PCN index</gco:CharacterString>
            </gmd:otherCitationDetails>
            <onlineResource>
                <gmd:CI_OnlineResource>
                    <gmd:linkage>
                        <gmd:URL>https://www.space.dtu.dk/english/research/scientific_data_and_models/world_data_center_for_geomagnetism/pcn-index</gmd:URL>
                    </gmd:linkage>
                </gmd:CI_OnlineResource>
            </onlineResource>
        </Citation>
    </documentation>
    <dataLevel xlink:href="https://metadata.pithia.eu/ontology/2.2/dataLevel/L2V"/>
    <version>1</version>
    <softwareReference>
        <Citation>
            <gmd:title>
                <gco:CharacterString>IAGA endorsed PCN index description</gco:CharacterString>
            </gmd:title>
            <gmd:date>
                <gmd:CI_Date>
                    <gmd:date>
                        <gco:Date>2013-03-25</gco:Date>
                    </gmd:date>
                    <gmd:dateType>
                        <gmd:CI_DateTypeCode codeList="" codeListValue="">Publication Date</gmd:CI_DateTypeCode>
                    </gmd:dateType>
                </gmd:CI_Date>
            </gmd:date>
            <gmd:otherCitationDetails>
                <gco:CharacterString>PCN index</gco:CharacterString>
            </gmd:otherCitationDetails>
            <onlineResource>
                <gmd:CI_OnlineResource>
                    <gmd:linkage>
                        <gmd:URL>https://www.space.dtu.dk/english/research/scientific_data_and_models/world_data_center_for_geomagnetism/pcn-index</gmd:URL>
                    </gmd:linkage>
                </gmd:CI_OnlineResource>
            </onlineResource>
        </Citation>
    </softwareReference>
</ComputationCapabilities>