Global occurrence rates for N-bursts, Q-bursts, and V-bursts

Lightning-radiated radio bursts in the Earth-Ionosphere cavity have long been categorized by their signal content in the extremely low frequency (ELF, 3 Hz 3 kHz) and very low frequency (VLF, 3 kHz 30 kHz) radio bands. Recent work has shown a strong connection between the occurrence of sprites and N-bursts as well as between gigantic jets and Q-bursts. N-bursts, Q-bursts, and V-bursts each exhibit different relative levels of ELF and VLF spectral content, and each excite the Earth-Ionosphere cavity and contribute to the Schumann Band (<100 Hz). This work presents a statistical analysis of rates of occurrence for different radio bursts over a two-week period in August 2016 and quantifies each bursts contribution to the Schumann band (<100 Hz). Multi-station measurements are provided by the University of Florida ELF/VLF radio receiver array, and event location and timing are independently verified using information provided by the Vaisala Global Lightning Detection Network.