From: Statistical investigation of gravity wave characteristics in the ionosphere
Year | GW parameter | Mean L–O mode | σ L–O mode | Skew L–O mode | Mean R–X mode | σ R–X mode | Skew R–X mode |
---|---|---|---|---|---|---|---|
2014/7–2015/6 | vo (m/s) | 153 | 75 | 4.1 | 149 | 62 | 4.2 |
2018/9–2019/8 | vo (m/s) | 122 | 41 | 1.1 | 114 | 36 | 1.1 |
2014/7–2015/6 | v (m/s) | 191 | 78 | 4.0 | 184 | 66 | 3.9 |
2018/9–2019/8 | v (m/s) | 154 | 40 | 0.7 | 143 | 35 | 0.7 |
2014/7–2015/6 | \({\epsilon}\)o (°) | − 31 | 16 | − 0.2 | − 30 | 16 | − 0.4 |
2018/9–2019/8 | \({\epsilon}\)o (°) | − 51 | 12 | 0.3 | − 53 | 13 | 0.6 |
2014/7–2015/6 | \({\epsilon}\) (°) | − 24 | 13 | − 0.5 | − 24 | 13 | − 0.5 |
2018/9–2019/8 | \({\epsilon}\) (°) | − 37 | 10 | − 0.6 | − 39 | 11 | − 0.4 |
2014/7–2015/6 | T (min) | 17 | 6 | 1.3 | 17 | 6 | 1.4 |
2018/9–2019/8 | T (min) | 18 | 7 | 0.8 | 18 | 6 | 0.9 |
2014/7–2015/6 | λ (km) | 197 | 129 | 4.3 | 188 | 110 | 5.3 |
2018/9–2019/8 | λ (km) | 167 | 94 | 1.8 | 156 | 79 | 2.0 |