61 citations as recorded by crossref.

1. Trends in the critical frequency foF2 after 2009 A. Danilov & A. Konstantinova https://doi.org/10.1134/S0016793216030026
2. Dependence of the F2-layer critical frequency median at midlatitudes on geomagnetic activity М. Деминов et al. https://doi.org/10.12737/szf-34201707
3. Long-Term Changes in Ionospheric Climate in Terms of foF2 J. Laštovička https://doi.org/10.3390/atmos13010110
4. Comparison of trends in parameters of the F2 layer obtained by various authors A. Danilov & A. Konstantinova https://doi.org/10.1134/S0016793215030056
5. foF2 vs solar indices for the Rome station: Looking for the best general relation which is able to describe the anomalous minimum between cycles 23 and 24 L. Perna & M. Pezzopane https://doi.org/10.1016/j.jastp.2016.08.003
6. Filtering ionosphere parameters to detect trends linked to anthropogenic effects A. Elias https://doi.org/10.1186/1880-5981-66-113
7. Geomagnetic Activity Effects on CO2‐Driven Trend in the Thermosphere and Ionosphere: Ideal Model Experiments With GAIA H. Liu et al. https://doi.org/10.1029/2020JA028607
8. Equivalent slab thickness of the ionosphere over Europe as an indicator of long-term temperature changes in the thermosphere N. Jakowski et al. https://doi.org/10.1016/j.jastp.2017.04.008
9. Trends in the F2-layer critical frequency from data obtained at the ionospheric station Yakutsk during the period from 1956 to 2017 S. Kobyakova et al. https://doi.org/10.12737/szf-114202505
10. Evaluation of the cooling trend in the ionosphere using functional regression with incomplete curves O. Gromenko et al. https://doi.org/10.1214/17-AOAS1022
11. Performance of the IRI-2016 and IRI-Plas 2020 considering Mg II as EUV solar proxy B. de Haro Barbas et al. https://doi.org/10.1016/j.asr.2023.06.007
12. Scenario of global climate change in the Stratosphere-Mesosphere-Thermosphere-Ionosphere system J. Lastovicka et al. https://doi.org/10.1371/journal.pclm.0000836
13. Long-term variations in peak electron density and temperature of mesopause region: Dependence on solar, geomagnetic, and atmospheric activities, long-term trends G. Zherebtsov et al. https://doi.org/10.12737/stp-104202401
14. Comparison between monthly median foF2 values derived from manually and automatically scaled data over Rome from 2006 to 2022 C. Scotto et al. https://doi.org/10.1016/j.asr.2026.03.048
15. Long-term trends of midlatitude horizontal mesosphere/lower thermosphere winds over four decades C. Jacobi et al. https://doi.org/10.5194/ars-21-111-2023
16. 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
17. Earth’s magnetic field effect on MUF calculation and consequences for hmF2 trend estimates A. Elias et al. https://doi.org/10.1016/j.jastp.2017.03.004
18. Long‐Term Variations and Residual Trends in the E, F, and Sporadic E (Es) Layer Over Juliusruh, Europe M. Sivakandan et al. https://doi.org/10.1029/2022JA031097
19. Variation of monthly mean foF2 and hmF2 over a mid latitude station during the period 1997–2006 S. Rao et al. https://doi.org/10.1016/j.asr.2013.12.018
20. 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
21. Long-term oscillations and trends of the mesosphere derived from 60 Years of standard phase-heights measurements over Europe: An update M. Sivakandan et al. https://doi.org/10.1016/j.jastp.2024.106274
22. Ionospheric F2 layer responses to total solar eclipses at low and mid-latitude B. Adekoya & V. Chukwuma https://doi.org/10.1016/j.jastp.2016.01.006
23. A review of global long-term changes in the mesosphere, thermosphere and ionosphere: A starting point for inclusion in (semi-) empirical models I. Cnossen et al. https://doi.org/10.1016/j.asr.2024.10.005
24. Long-term trends of ionospheric electron density related to global warming N. Jakowski & M. Hoque https://doi.org/10.1051/swsc/2025054
25. Response of the mesosphere-thermosphere-ionosphere system to global change - CAWSES-II contribution J. Laštovička et al. https://doi.org/10.1186/s40645-014-0021-6
26. Evaluating F2-region long-term trends using the International Reference Ionosphere (IRI) model: is this a feasible approximation for experimental trends? B. Zossi et al. https://doi.org/10.5194/acp-23-13973-2023
27. Choice of series of initial data in deriving trends in the ionospheric F2-layer parameters A. Konstantinova & A. Danilov https://doi.org/10.1134/S0016793215030111
28. Stability of solar correction for calculating ionospheric trends J. Laštovička et al. https://doi.org/10.5194/angeo-34-1191-2016
29. Relationships Between foF2 and Various Solar Activity Proxies J. Laštovička & D. Burešová https://doi.org/10.1029/2022SW003359
30. Nonlinear dependence of ionospheric F2 layer critical frequency on solar activity in southern latitudes during solar cycle 23 C. Seema & P. Prince https://doi.org/10.1016/j.asr.2018.05.031
31. Properties of solar activity and ionosphere for solar cycle 25 M. Deminov et al. https://doi.org/10.1134/S0016793216060086
32. Long-term variations in peak electron density and temperature of mesopause region: Dependence on solar, geomagnetic, and atmospheric activities, long-term trends G. Zherebtsov et al. https://doi.org/10.12737/szf-104202401
33. Long-term variations of the upper atmosphere parameters on Rome ionosonde observations and their interpretation L. Perrone et al. https://doi.org/10.1051/swsc/2017021
34. A Prediction Model of Ionospheric Total Electron Content Based on Grid-Optimized Support Vector Regression Q. Yu et al. https://doi.org/10.3390/rs16152701
35. Revisiting sunspot number as an extreme ultraviolet (EUV) proxy for ionospheric F2 critical frequency B. Zossi et al. https://doi.org/10.5194/angeo-43-91-2025
36. Trends in the F2-layer critical frequency from data obtained at the ionospheric station Yakutsk during the period from 1956 to 2017 S. Kobyakova et al. https://doi.org/10.12737/stp-114202505
37. Dependence of the F2-layer critical frequency median at midlatitudes on geomagnetic activity М. Деминов et al. https://doi.org/10.12737/stp-34201707
38. A mechanism of midlatitude noontime foE long‐term variations inferred from European observations A. Mikhailov et al. https://doi.org/10.1002/2017JA023909
39. A review of recent progress in trends in the upper atmosphere J. Laštovička https://doi.org/10.1016/j.jastp.2017.03.009
40. Long-term variations and trends in the polar E-region L. Bjoland et al. https://doi.org/10.1016/j.jastp.2017.02.007
41. Investigating the drivers of long-term trends in the upper atmosphere over Rome across four decades L. Spogli et al. https://doi.org/10.1051/swsc/2024040
42. Characterizing the long term temporal and spatial variation of the African ionosphere using multi-data sources X. Feng et al. https://doi.org/10.1016/j.asr.2025.07.069
43. Geomagnetic control of the midlatitude foF1 and foF2 long‐term variations: Recent observations in Europe L. Perrone & A. Mikhailov https://doi.org/10.1002/2016JA022715
44. New results in studying fo F2 trends A. Danilov https://doi.org/10.1016/j.jastp.2017.04.002
45. Ionospheric vertical plasma drift and electron density response during total solar eclipses at equatorial/low latitude B. Adekoya et al. https://doi.org/10.1002/2015JA021557
46. Ionospheric Peak Electron Density and Performance Evaluation of IRI‐CCIR Near Magnetic Equator in Africa During Two Extreme Solar Activities B. Adebesin et al. https://doi.org/10.1002/2017SW001729
47. Modelling M(3000)F2 at an African Equatorial Location for Better IRI‐Model Prediction B. Adebesin et al. https://doi.org/10.1029/2021RS007311
48. Long-term relationships of ionospheric electron density with solar activity N. Jakowski et al. https://doi.org/10.1051/swsc/2024023
49. Variations in the Maximum Electron Density of the F₂ Layer (NmF₂) over the Middle Latitude Station of Grahamstown, South Africa, during Solar Cycle 23 A. Ogwala et al. https://doi.org/10.21926/aeer.2204048
50. Problems in calculating long-term trends in the upper atmosphere J. Laštovička & Š. Jelínek https://doi.org/10.1016/j.jastp.2019.04.011
51. Thermospheric parameters’ long-term variations over the period including the 24/25 solar cycle minimum. Whether the CO2 increase effects are seen? A. Mikhailov et al. https://doi.org/10.1016/j.jastp.2021.105736
52. foF2 variability at a southern low-latitude station and the performance of IRI-2016 model during ascending phase of solar cycle-24 S. Rao et al. https://doi.org/10.1016/j.asr.2019.08.014
53. What is the optimum solar proxy for long-term ionospheric investigations? J. Laštovička https://doi.org/10.1016/j.asr.2020.07.025
54. Long-Term Variations in the Parameters of the Middle and Upper Atmosphere and Ionosphere (Review) A. Danilov & A. Konstantinova https://doi.org/10.1134/S0016793220040040
55. The best solar activity proxy for long-term ionospheric investigations J. Laštovička https://doi.org/10.1016/j.asr.2021.06.032
56. Effect of the Inclusion of Solar Cycle 24 in the Calculation of foF2 Long-Term Trend for Two Japanese Ionospheric Stations B. de Haro Barbás & A. Elias https://doi.org/10.1007/s00024-019-02307-z
57. Long term changes in the ionosphere over Indian low latitudes: Impact of greenhouse gases S. Sharma et al. https://doi.org/10.1016/j.jastp.2015.03.002
58. Nonlinear dependence study of ionospheric F2 layer critical frequency with respect to the solar activity indices using the mutual information method H. Bai et al. https://doi.org/10.1016/j.asr.2019.06.013
59. Solar activity index for long-term ionospheric forecasts M. Deminov https://doi.org/10.1134/S0010952516010068
60. Ionospheric variations over Chinese EIA region using foF2 and comparison with IRI-2016 model S. Rao et al. https://doi.org/10.1016/j.asr.2018.04.009
61. Seasonal and diurnal variations in foF2 trends A. Danilov https://doi.org/10.1002/2014JA020971