112 citations as recorded by crossref.

1. F2-region response to geomagnetic disturbances A. Danilov
2. Effects on the Ionosphere Due to Phenomena Occurring Below it E. Kazimirovsky et al.
3. What do we know of the long-term change of the Earth’s ionosphere? P. Bencze
4. 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.
5. Determining long‐term change in the ionosphere T. Ulich et al.
6. Trends in the F2 layer parameters at the end of the 1990s and the beginning of the 2000s A. Danilov & A. Konstantinova
7. An Estimation of Human‐Error Contributions to Historical Ionospheric Data P. Dandenault et al.
8. foF2 Long-Term Trend at a Station Located near the Crest of the Equatorial Ionization Anomaly D. Gnabahou et al.
9. Trends in mesospheric turbulence at 70°N C. Hall et al.
10. A climatology study on ionospheric F 2 peak over Anyang, Korea E. Kim et al.
11. Letters
12. 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.
13. Behavior of parameters of the ionospheric F2 layer at the turn of the Centuries: 1. critical frequency A. Danilov & A. Konstantinova
14. The causes of long‐term change in the aa index M. Clilverd et al.
15. Long term changes in the ionosphere over Indian low latitudes: Impact of greenhouse gases S. Sharma et al.
16. Ionospheric electron density modelling using B-splines and constraint optimization G. Lalgudi Gopalakrishnan & M. Schmidt
17. Emission of the upper atmosphere is a sensitive indicator of solar — terrestrial processes: Summary of results over a period of 60 years A. Semenov & N. Shefov
18. Changes in the Earth's magnetic field over the past century: Effects on the ionosphere‐thermosphere system and solar quiet (Sq) magnetic variation I. Cnossen & A. Richmond
19. Geomagnetic Activity Effects on CO2‐Driven Trend in the Thermosphere and Ionosphere: Ideal Model Experiments With GAIA H. Liu et al.
20. Modelling the effects of changes in the Earth's magnetic field from 1957 to 1997 on the ionospheric hmF2 and foF2 parameters I. Cnossen & A. Richmond
21. Scatter of hmF2 values as an indicator of trends in the thermospheric dynamics A. Danilov & L. Vanina-Dart
22. An Integrated Technology of Ionospheric Backscatter Detection and Oblique Detection P. Lou et al.
23. Characterizing the pre-Space Age ionosphere over Washington, DC D. Rice et al.
24. 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.
25. Time and spatial variations in the ratio of nighttime and daytime critical frequencies of the F2 layer A. Danilov
26. Impact of different solar extreme ultraviolet (EUV) proxies and Ap index on hmF2 trend analysis T. Duran et al.
27. Variations in foF2 at the end of the 1990s and beginning of the 2000s according to median data A. Danilov
28. Longitudinal variation in E- and F-region ionospheric trends M. Jarvis
29. Geomagnetic Storm Effects on the Topside Ionosphere and Plasmasphere: A Compact Tutorial and New Results M. Förster & N. Jakowski
30. Long-term variations of the upper atmosphere parameters on Rome ionosonde observations and their interpretation L. Perrone et al.
31. 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.
32. Trends in the thermosphere derived from global ionosonde observations J. Bremer
33. The effect of carbon dioxide cooling on trends in the F2-layer ionosphere L. Qian et al.
34. Review of mesospheric temperature trends G. Beig et al.
35. Progress in observations and simulations of global change in the upper atmosphere L. Qian et al.
36. Trends in critical frequencies and layer heights over Tromsø and their consequential impact for radio system modelling P. Cannon et al.
37. Sodankylä ionospheric tomography data set 2003–2014 J. Norberg et al.
38. TheEregion at 69°N, 19°E: Trends, significances, and detectability C. Hall et al.
39. Behavior of parameters of the ionospheric F2 layer at the edge of the centuries: 2. Height of the layer A. Danilov & A. Konstantinova
40. The importance of geomagnetic field changes versus rising CO2levels for long-term change in the upper atmosphere I. Cnossen
41. Parameters of the ionospheric F 2 layer as a source of information on trends in thermospheric dynamics A. Danilov & L. Vanina-Dart
42. Critical Issues in Ionospheric Data Quality and Implications for Scientific Studies E. Araujo‐Pradere et al.
43. Antarctica's role in understanding long-term change in the upper atmosphere M. Jarvis
44. An Overview of Long-Term Trends in the Lower Ionosphere Below 120 km J. Laštovička & J. Bremer
45. Long-term variations of the oxygen red 630 nm line nightglow intensity N. Gudadze et al.
46. Geomagnetic activity that corresponds to the median of the F2-layer critical frequency at various latitudes M. Deminov & G. Deminova
47. Mesospheric temperature trends derived from ground-based LF phase-height observations at mid-latitudes: comparison with model simulations J. Bremer & U. Berger
48. The shrinking atmosphere C. Hall & A. Brekke
49. Solar causes of the long‐term increase in geomagnetic activity R. Stamper et al.
50. The geomagnetic control concept of the F2-layer parameter long-term trends A. Mikhailov
51. Analysis and Attribution of Climate Change in the Upper Atmosphere From 1950 to 2015 Simulated by WACCM‐X I. Cnossen
52. The relative importance of solar activity and anthropogenic influences on the ion composition, temperature, and associated neutrals of the middle atmosphere G. Beig
53. Calibrating estimates of ionospheric long-term change C. Scott et al.
54. Trends in foF2 above Tromsø (69°N 19°E) C. Hall & P. Cannon
55. The season peculiarities of behaviour of the long-term temperature trends in the middle atmosphere on the mid-latitudes A. Semenov et al.
56. Critical frequency foF2 as an indicator of trends in thermospheric dynamics A. Danilov
57. Comparison of foF2 values in the daytime and after sunset A. Danilov & L. Vanina-Dart
58. Statistics of long-term ionospheric measurements T. Damboldt & P. Suessmann
59. Millstone Hill ISR observations of upper atmospheric long-term changes: Height dependency S. Zhang et al.
60. Long-Term Changes in Ionospheric Climate in Terms of foF2 J. Laštovička
61. foF2 long-term trends at the southern crest of the equatorial anomaly A. Elías & N. de Adler
62. Modeling the effects of secular variation of geomagnetic field orientation on the ionospheric long term trend over the past century X. Yue et al.
63. 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.
64. Residual solar cycle influence on trends in ionospheric F2‐layer peak height M. Clilverd et al.
65. Long-term variation in the upper atmosphere as seen in the geomagnetic solar quiet daily variation A. Shinbori et al.
66. Overview of the trends in the ionospheric E and F2 regions A. Danilov
67. Long‐term ionospheric trends based on ground‐based ionosonde observations at Kokubunji, Japan Z. Xu et al.
68. On the long-term change of ionospheric parameters P. Bencze
69. Scatter of hmF2 values as an indicator of trends in thermospheric dynamics A. Danilov
70. Solar activity dependence of total electron content derived from GPS observations over Mbarara A. Adewale et al.
71. Methodological influences on F-region peak height trend analyses M. Jarvis et al.
72. Accuracy of models of hmF2 used for long‐term trend analyses L. McNamara
73. Ionospheric research 50 years ago, today and tomorrow A. Rodger & M. Jarvis
74. Long-term trends in the upper atmosphere and ionosphere (a review) A. Danilov
75. Empirical Data Assimilation for Merging Total Electron Content Data with Empirical and Physical Models E. Forootan et al.
76. Trends in the solar quiet geomagnetic field variation linked to the Earth's magnetic field secular variation and increasing concentrations of greenhouse gases A. Elias et al.
77. Variations in foF2 and hmF2 at the end of the 1990s and the beginning of the 2000s A. Danilov
78. Dependence of foF2 long-term changes on solar activity and longitude A. Garbatsevich et al.
79. Filtering ionosphere parameters to detect trends linked to anthropogenic effects A. Elias
80. Spatial and time variations in the foF2 (night)/foF2 (day) ratio: Specification of some effects A. Danilov & L. Vanina-Dart
81. Long-term changes in thermospheric composition inferred from a spectral analysis of ionospheric F-region data C. Scott et al.
82. Climate Changes in the Upper Atmosphere: Contributions by the Changing Greenhouse Gas Concentrations and Earth's Magnetic Field From the 1960s to 2010s L. Qian et al.
83. On the role of solar and geomagnetic activity in long-term trends in the atmosphere–ionosphere system J. Laštovička
84. Long‐term temperature trends in the ionosphere above Millstone Hill J. Holt & S. Zhang
85. Critical frequencies foF2 as an indicator of trends in thermospheric dynamics A. Danilov & L. Vanina-Dart
86. Long-term trends in F2-layer parameters and their relation to other trends A. Danilov
87. Long term trend in the high latitude ionosphere L. Alfonsi et al.
88. Indication of shrinking atmosphere above Tromsø (69 °N, 19 °E) C. Hall & P. Cannon
89. Comparing long-term trends in the ionospheric F2-region with two different methods J. Bremer et al.
90. An explanation of discrepancy in mesospheric temperature trends derived from ground-based LF phase-height observations J. Laštovička
91. Long-term changes in the nightly behaviour of the oxygen red 630.0 nm line nightglow intensity and trends in the thermospheric meridional wind velocity G. Didebulidze et al.
92. Time‐varying ionosonde trend: Case study of Sodankylä hmF2 data 1957–2014 L. Roininen et al.
93. A mechanism of midlatitude noontime foE long‐term variations inferred from European observations A. Mikhailov et al.
94. Do ionospheric trends indicate to the greenhouse effect? A. Danilov
95. Time and spatial variations in the ratio of nighttime and daytime critical frequencies of the F 2 layer A. Danilov
96. Longitudinal Variations of the Occurrence Probability of the Ionospheric F1 Layer Peak at Middle and High Latitudes Z. Li et al.
97. Investigating the drivers of long-term trends in the upper atmosphere over Rome across four decades L. Spogli et al.
98. Trends in the F2 ionospheric layer due to long-term variations in the Earth's magnetic field A. Elias
99. Behavior of foF2 and hmF2 after sunset A. Danilov & L. Vanina-Dart
100. Time and spatial variations of the foF2(night)/foF2(day) values A. Danilov
101. Progress in studies of the trends in the ionosphere F region A. Danilov
102. Trends in the Neutral and Ionized Upper Atmosphere J. Laštovička et al.
103. The Contribution of Geomagnetic Activity to Ionospheric foF2 Trends at Different Phases of the Solar Cycle by SWM H. Li et al.
104. Some results referring to the long-term change of ionospheric parameters P. Bencze
105. Applying artificial neural network to derive long‐term foF2 trends in the Asia/Pacific sector from ionosonde observations X. Yue et al.
106. Overview of the mesospheric temperature trend and factors of uncertainty G. Beig
107. What solar and geomagnetic activities does F2-layer critical frequency median correspond to in midlatitudes? M. Deminov & G. Deminova
108. 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.
109. Long-term trends in foF2: A comparison of various methods J. Laštovička et al.
110. Global variation in the long-term seasonal changes observed in ionospheric F region data C. Scott & R. Stamper
111. Trends in the ionospheric E-region A. Mikhailov
112. Model simulations of global change in the ionosphere L. Qian et al.