| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1776996 | Journal of Atmospheric and Solar-Terrestrial Physics | 2012 | 12 Pages |
Abstract
⺠Long-term trends of observed hmF2 and foF2 values are derived by two different methods. ⺠The trends derived by both methods reasonably agree with each other and with model results. ⺠During the solar cycle 23/24 minimum the hmF2 values are markedly lower than expected.
Keywords
Related Topics
Physical Sciences and Engineering
Earth and Planetary Sciences
Geophysics
Authors
J. Bremer, T. Damboldt, J. Mielich, P. Suessmann,