Lightning linked to gap in radiation belts

"However, radio waves generated by lightning at the high latitudes of the northern US, Canada, and Europe strike the ionosphere at a different angle, says Green, allowing them to leak out into the magnetosphere - the region of space where the Earth's magnetic field dominates.

Once there, the radio waves follow magnetic lines of force into the place where the gap in the radiation belts appears. The radio waves are draining energy from the charged particles of the radiation belts, which then drop into the atmosphere, leaving a gap, explains Green."

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NOTE:   So more lightning produced means more gap?  I wonder if anybody is interested in increasing that gap?