18 citations as recorded by crossref.

1. Long-term trends in the ionospheric F2 region with different solar activity indices J. Mielich & J. Bremer https://doi.org/10.5194/angeo-31-291-2013
2. Modeling the effects of secular variation of geomagnetic field orientation on the ionospheric long term trend over the past century X. Yue et al. https://doi.org/10.1029/2007JA012995
3. On the role of solar and geomagnetic activity in long-term trends in the atmosphere–ionosphere system J. Laštovička https://doi.org/10.1016/j.jastp.2004.07.019
4. Long-term trends in F2-layer parameters and their relation to other trends A. Danilov https://doi.org/10.1016/j.asr.2005.02.051
5. foF2 Long-Term Trend at a Station Located near the Crest of the Equatorial Ionization Anomaly D. Gnabahou et al. https://doi.org/10.4236/ijg.2020.118027
6. The effect of carbon dioxide cooling on trends in the F2-layer ionosphere L. Qian et al. https://doi.org/10.1016/j.jastp.2009.03.006
7. Applying artificial neural network to derive long‐term foF2 trends in the Asia/Pacific sector from ionosonde observations X. Yue et al. https://doi.org/10.1029/2005JA011577
8. What do we know of the long-term change of the Earth’s ionosphere? P. Bencze https://doi.org/10.1016/j.asr.2007.01.078
9. A long-term trend in the F2-layer critical frequency as observed at Alma-Ata ionosonde station G. Gordiyenko et al. https://doi.org/10.1186/1880-5981-66-125
10. Trends and Solar Irradiance Effects in the Mesosphere L. Qian et al. https://doi.org/10.1029/2018JA026367
11. Review of Long-Term Trends in the Equatorial Ionosphere Due the Geomagnetic Field Secular Variations and Its Relevance to Space Weather A. Elias et al. https://doi.org/10.3390/atmos13010040
12. Long-term trends of the F2-region at mid-latitudes in the Southern Hemisphere A. Sharan & S. Kumar https://doi.org/10.1016/j.jastp.2021.105683
13. Long-term trends in the upper atmosphere and ionosphere (a review) A. Danilov https://doi.org/10.1134/S0016793212030036
14. Variations in foF2 at the end of the 1990s and beginning of the 2000s according to median data A. Danilov https://doi.org/10.1134/S0016793211060041
15. Progress in observations and simulations of global change in the upper atmosphere L. Qian et al. https://doi.org/10.1029/2010JA016317
16. Progress in studies of the trends in the ionosphere F region A. Danilov https://doi.org/10.1016/j.pce.2005.02.002
17. Comparing long-term trends in the ionospheric F2-region with two different methods J. Bremer et al. https://doi.org/10.1016/j.jastp.2011.12.017
18. Long-term trends in foF2: A comparison of various methods J. Laštovička et al. https://doi.org/10.1016/j.jastp.2006.02.009