Fig. 10From: Sporadic E morphology based on COSMIC radio occultation data and its relationship with wind shear theoryMagnetic latitude–local time distributions of the Es layer occurrence rates in different altitude ranges for four seasons of MAM (a), JJA (b), SON (c), and DJF (d) during the period from 2007 to 2015, binned with a grid of 5° × 1 hBack to article page