The Schumann Resonance: A Global Tropical Thermometer

Science  22 May 1992:
Vol. 256, Issue 5060, pp. 1184-1187
DOI: 10.1126/science.256.5060.1184


The Schumann resonance, a global electromagnetic phenomenon, is shown to be a sensitive measure of temperature fluctuations in the tropical atmosphere. The link between Schumann resonance and temperature is lightning flash rate, which increases nonlinearly with temperature in the interaction between deep convection and ice microphysics.