1- Bursts of electrostatic LH turbulence triggered by strong whistlers, High intensity, 10 4 µV 2 /m 2.Hz at ω LH Relaxation time ~ 10s 2- Evolve as solitary, monochromatic LH structures Large amplitude (~10 mV/m) wave packets, duration ~ 20 ms, Most often detected in localized density holes (ΔN i /N i ~ -10% to -15%) Interpretation LH turbulence: scattering of whistler waves by pre-existing irregularities (e.g.
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