Solar Wind and IMF Drive Magnetospheric ULF Wave Excitation

Solar wind pressure spikes and southward turns of the Interplanetary Magnetic Field (IMF) are critical drivers for exciting large-amplitude compressional Ultra-Low Frequency (ULF) waves in Earth's magnetosphere, impacting space weather dynamics and potentially affecting technology.

• Solar wind pressure spikes compress the magnetosphere, exciting ULF waves.
• IMF southward turning enhances coupling and magnetic reconnection.
• Compressional ULF waves play a key role in magnetosphere-ionosphere dynamics.
• These phenomena can influence energetic particles in radiation belts.
• The interaction is a fundamental aspect of space weather studies.

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