Abstract

A series of numerical simulations indicates that quasi-impulsive thermal energy releases of ~ 1026 ergs in a narrow region of the upper chromosphere of a quiet region coronal loop can provide a transient heating source for the corona. Lower energy events radiate away their energy too quickly to generate substantial temperature enhancements. The microflares seen in UV images may generate such energy releases, and may also be the source for some of the dynamic events seen in UV spectra.

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