Abstract

AbstractA recent study by Younas et al. (2020, https://doi.org/10.1029/2020ja027981, referred to hereafter as Y20) has shown incorrect results of the variations in the level‐3 data of [O/N2] ratio obtained from global ultra violet imager on board TIMED satellite. Y20 have shown the variations in [O/N2] ratio during 25–28 August 2018 but they have wrongly mapped the corresponding longitudes of the orbits in east‐west direction. So, the decrements and enhancements in the [O/N2] ratio are misinterpreted by Y20 in combination with their results on TEC (total electron content). Also, they have derived hemispheric asymmetry in [O/N2] ratio, the variations of which are not reproducible in similar shape from the same data set and method. The results of Y20 on wrong mapping of [O/N2] ratio are further repeated by Bolaji et al. (2021, https://doi.org/10.1029/2020ja029068). We provide a correct method, validate it and call for the needful corrections in both the papers.

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