Fig. 9From: Sporadic E morphology based on COSMIC radio occultation data and its relationship with wind shear theoryAltitude–local time distributions of the Es layer occurrence rates in different magnetic latitude bands of the Northern Hemisphere (a–d) and the Southern Hemisphere (e–h) for four different seasons of MAM, JJA, SON, and DJF during the period from January 2007 to December 2015, binned with a grid of 2 km × 1 h Back to article page