ground-based-am.xml
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<?xml version="1.0" encoding="UTF-8"?>
<Spase xmlns="http://www.spase-group.org/data/schema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.spase-group.org/data/schema http://cdpp.irap.omp.eu/AMDA-NG/public/schemas/spase-amda-1_2_0.xsd">
<Version>2.2.6</Version>
<NumericalData>
<ResourceID>spase://CDPP/NumericalData/AMDA/Indices/Ground_Based/ground-based-am</ResourceID>
<ResourceHeader>
<ResourceName>am</ResourceName>
<AlternateName>am IAGA-endorsed magnetic activity index</AlternateName>
<ReleaseDate>2018-01-16T11:00:00Z</ReleaseDate>
<Description>Index which purpose is to provide a characterization of global geomagnetic activity using a large set of stations representing all longitudes and possible hemispheric discrepancies.</Description>
<Acknowledgement>ISGI website at EOST; License: CC BY-NC https://creativecommons.org/licenses/by-nc/4.0/</Acknowledgement>
<Contact>
<PersonID>spase://CDPP/Person/Aude.Chambodut</PersonID>
<Role>TechnicalContact</Role>
</Contact>
<InformationURL>
<Name>IAGA geomagnetic indices</Name>
<URL>http://isgi.unistra.fr/indices_am.php</URL>
<Description>
</Description>
</InformationURL>
</ResourceHeader>
<AccessInformation>
<RepositoryID>spase://CDPP/Repository/CDPP/AMDA</RepositoryID>
<Availability>Online</Availability>
<AccessRights>Open</AccessRights>
<AccessURL>
<Name>AMDA at CDPP</Name>
<URL>
http://amda.cdpp.eu
</URL>
</AccessURL>
<Format>Text</Format>
<Acknowledgement>
</Acknowledgement>
</AccessInformation>
<ProviderName>ISGI/UNISTRA</ProviderName>
<InstrumentID>spase://CDPP/Instrument/AMDA/Indices/Ground_Based</InstrumentID>
<MeasurementType>MagneticField</MeasurementType>
<TemporalDescription>
<TimeSpan>
<StartDate>1975-01-01T00:00:00Z</StartDate>
<StopDate>2019-01-14T21:00:00Z</StopDate>
</TimeSpan>
<Cadence>PT3H</Cadence></TemporalDescription>
<ObservedRegion>Earth.NearSurface</ObservedRegion>
<Caveats>
</Caveats>
<Parameter>
<Name>am</Name>
<ParameterKey>am</ParameterKey>
<Description>am = (an + as)/2</Description>
<Ucd/>
<Units>nT</Units>
<UnitsConversion/>
</Parameter>
<Parameter>
<Name>Am</Name>
<ParameterKey>Am</ParameterKey>
<Description>Daily Mean of am</Description>
<Ucd/>
<Units>nT</Units>
<UnitsConversion/>
</Parameter>
</NumericalData>
</Spase>