2.7.1 https://spdx.org/licenses/ SPDX CC-BY-NC-4.0 https://spdx.org/licenses/CC-BY-NC-4.0.html Creative Commons Attribution Non Commercial 4.0 International The Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license allows users to share, copy, and adapt material in any medium or format, provided they give appropriate credit (attribution) and use the material only for non-commercial purposes. spase://CNES/NumericalData/CDPP-AMDA/Indices/Ground_Based/ground-based-aei Indices - Ground Based - auroral electrojet https://doi.org/10.17593/15031-54800 2026-03-19T02:25:06Z 2026-03-19T02:25:06Z Posted by JMW. 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 WDC Kyoto and ISGI website at EOST; AE/AU/AL/A0 Citation: World Data Center for Geomagnetism, Kyoto, Nose M., Iyemori T., Sugiura M. and Kamei T. (2015) - Geomagnetic AE index, https://doi.org/10.17593/15031-54800 License: CC BY https://creativecommons.org/licenses/by/4.0/ spase://CNES/Person/CDPP-AMDA/WDC TechnicalContact spase://SMWG/Person/Aude.Chambodut TechnicalContact spase://SMWG/Person/James.M.Weygand MetadataContact WDC for Geomagnetism - Kyoto, Japan https://wdc.kugi.kyoto-u.ac.jp/ AE IAGA-endorsed geomagnetic indices https://isgi.unistra.fr/indices_ae.php spase://SMWG/Repository/CDPP/AMDA Online Open CDPP/AMDA HAPI Server https://amda.irap.omp.eu/service/hapi ground-based-aei Web Service to this product using the HAPI interface. CSV 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. spase://SMWG/Repository/CDPP/AMDA Online Open CDPP/AMDA Web application https://amda.cdpp.eu Access to Data via CDPP/AMDA Web application. CSV VOTable CDF PNG 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. WDC Kyoto via ISGI spase://CNES/Instrument/CDPP-AMDA/Indices/Ground_Based MagneticField 1975-01-01T00:00:00Z 2019-12-31T23:59:00Z PT1M Earth.NearSurface.AuroralRegion AE ae Auroral Electrojet (AE = AU - AL) nT Magnetic AU au Auroral Electrojet Upper envelope nT Magnetic AL al Auroral Electrojet Lower envelope nT Magnetic AO ao Auroral Electrojet (AO = (AU + AL) / 2) nT Magnetic AP ap_wdc Auroral Power (Newell 2011) GW Magnetic