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In this study, the morphology of the oxygen\udgreenline dayglow emission is presented. The volume emission rate profiles are\udobtained by using Solomon's glow model. The glow model is updated in terms of\udrecent cross sections, reaction rate coefficients and quantum yield of greenline\udemission. Throughout most of the thermosphere the modelled and observed emission\udrates are in reasonably good agreement. In the region between 98 and 120 km, the\udmodelled emission rates are substantially higher (about a factor of 1.7) than\udthe observed emission rates. This discrepancy is discussed in terms of scaling\udof solar fluxes which accounts the variation of solar activity for the day on\udwhich calculations are made. The modelled morphology of greenline emission is\udcompared with those cases where WINDII data is available. The modelled and\udobserved morphology is in reasonably good agreement at most of the latitudes\udabove 120 km. In the mesosphere the qualitative nature of morphology is very\udsimilar to those of WINDII observation except the modelled emission rates are\udabout a factor of 1.7 higher than the observed emission rates.  <b>Keywords.</b> Ionosphere (ion chemistry and composition;\udmodeling and forecasting; solar radiation and cosmic ray effects)

The morphology of oxygen greenline dayglow emission