News
May 2022The article 'Geomagnetic Activity Index Hpo' ( Yamazaki et al., 2022 ) describing the Hpo index is published in Geophysical Research Letters.
March 2022
Slight correction of some index values after 2017. The new version of the Hpo index has the doi.org/10.5880/Hpo.0002 and supersedes the version doi.org/10.5880/Hpo.0001.
Documentation
File formats
For information on file formats, see https://kp.gfz-potsdam.de/en/hp30-hp60/data.
Publications
Matzka, J., Bronkalla, O., Kervalishvili, G., Rauberg, J., Stolle, C., 2021. Geomagnetic Hpo index. V. 1.0. GFZ Data Services. https://doi.org/10.5880/Hpo.0001
Matzka, J., Bronkalla, O., Kervalishvili, G., Rauberg, J., Yamazaki, Y. (2022): Geomagnetic Hpo index. GFZ Data Services, doi.org/10.5880/Hpo.000
Yamazaki, Y., Matzka, J., Stolle, C., Kervalishvili, G., Rauberg, J., Bronkalla, O., Morschhauser, A., Bruinsma, S., Shprits, Y.Y., Jackson, D.R., 2022. Geomagnetic Activity Index Hpo. Geophysical Research Letters, 49, e2022GL098860, https://doi.org/10.1029/2022GL098860