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  <Version>2.4.1</Version>
  <NumericalData>
    <ResourceID>spase://CNES/NumericalData/CDPP-AMDA/Indices/Ground_Based/ground-based-aei</ResourceID>
    <ResourceHeader>
      <ResourceName>auroral electrojet</ResourceName>

      <ReleaseDate>2024-01-26T10:39:13Z</ReleaseDate>

      <Description>  AE/AL/AU/AO indices are taken from the WDC (World Data Center) at Kyoto via ISGI/UNISTRA

            *  FINAL : 1975 (AE and AL only) ; 1978 - Jun., 1988
            *  PROVISIONAL: Mar., 1989 ; Jan. 1990 - onwards
         </Description>

      <Acknowledgement>WDC Kyoto and ISGI website at EOST; License: CC BY-NC https://creativecommons.org/licenses/by-nc/4.0/</Acknowledgement>
      <Contact>
        <PersonID>spase://CNES/Person/CDPP-AMDA/WDC</PersonID>
        <Role>TechnicalContact</Role>
      </Contact>
      <Contact>
        <PersonID>spase://SMWG/Person/Aude.Chambodut</PersonID>
        <Role>TechnicalContact</Role>
      </Contact>
      <InformationURL>
        <Name>WDC for Geomagnetism - Kyoto, Japan</Name>
        <URL>http://wdc.kugi.kyoto-u.ac.jp/</URL>

      </InformationURL>

      <InformationURL>
        <Name>IAGA geomagnetic indices</Name>
        <URL>http://isgi.unistra.fr/indices_aa.php</URL>

      </InformationURL>

    </ResourceHeader>
    <AccessInformation>

      <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>CDPP/AMDA HAPI Server</Name>

        <URL>https://amda.irap.omp.eu/service/hapi</URL>

        <Style>HAPI</Style>

        <ProductKey>ground-based-aei</ProductKey>

        <Description>Web Service to this product using the HAPI interface.</Description>
      </AccessURL>
      <Format>CSV</Format>

      <Acknowledgement>Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.</Acknowledgement>

    </AccessInformation>

    <AccessInformation>

      <RepositoryID>spase://SMWG/Repository/CDPP/AMDA</RepositoryID>
      <Availability>Online</Availability>
      <AccessRights>Open</AccessRights>
      <AccessURL>
        <Name>CDPP/AMDA Web application</Name>

        <URL>https://amda.cdpp.eu</URL>

        <Description>Access to Data via CDPP/AMDA Web application.</Description>
      </AccessURL>
      <Format>CSV</Format>
      <Format>VOTable</Format>
      <Format>CDF</Format>
      <Format>PNG</Format>

      <Acknowledgement>Thank you for acknowledging the use of AMDA in publications with wording like "Data analysis was performed with the AMDA science analysis system provided by the Centre de Données de la Physique des Plasmas (CDPP) supported by CNRS, CNES, Observatoire de Paris and Université Paul Sabatier, Toulouse". See the Rules of the road at https://amda.cdpp.eu/help/policy.html . Please acknowledge the Data Providers.</Acknowledgement>

    </AccessInformation>

    <ProviderName>WDC Kyoto via ISGI/UNISTRA</ProviderName>
    <InstrumentID>spase://CNES/Instrument/CDPP-AMDA/Indices/Ground_Based</InstrumentID>
    <MeasurementType>MagneticField</MeasurementType>
    <TemporalDescription>
      <TimeSpan>
        <StartDate>1975-01-01T00:00:00Z</StartDate>

        <StopDate>2019-12-31T23:59:00Z</StopDate>

      </TimeSpan>

      <Cadence>PT1M</Cadence>

    </TemporalDescription>
    <ObservedRegion>Earth.NearSurface.AuroralRegion</ObservedRegion>
    <Caveats>
      </Caveats>
    <Parameter>
      <Name>AE</Name>
      <ParameterKey>ae</ParameterKey>
      <Description>Auroral Electrojet (AE = AU - AL)</Description>

      <Units>nT</Units>

      <Field>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>

    <Parameter>

      <Name>AU</Name>
      <ParameterKey>au</ParameterKey>
      <Description>Auroral Electrojet Upper envelope</Description>

      <Units>nT</Units>

      <Field>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>

    <Parameter>

      <Name>AL</Name>
      <ParameterKey>al</ParameterKey>
      <Description>Auroral Electrojet Lower envelope</Description>

      <Units>nT</Units>

      <Field>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>

    <Parameter>

      <Name>AO</Name>
      <ParameterKey>ao</ParameterKey>
      <Description>Auroral Electrojet (AO = (AU + AL) / 2)</Description>

      <Units>nT</Units>

      <Field>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>

    <Parameter>

      <Name>AP</Name>
      <ParameterKey>ap_wdc</ParameterKey>
      <Description>Auroral Power (Newell 2011)</Description>

      <Units>GW</Units>

      <Field>
        <FieldQuantity>Magnetic</FieldQuantity>
      </Field>
    </Parameter>
  </NumericalData>

</Spase>