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Observations from the Atmospheric Imaging Assembly (AIA) onboard the SolarDynamics Observatory (SDO) reveal ubiquitous episodic outflows (jets) with anaverage speed around 120 km s-1 at temperatures often exceeding a milliondegree in plume-like structures, rooted in magnetized regions of the quietsolar atmosphere. These outflows are not restricted to the well-known plumesvisible in polar coronal holes, but are also present in plume-like structuresoriginating from equatorial coronal holes and quiet-Sun regions. Outflows arealso visible in the "interplume" regions throughout the atmosphere.Furthermore, the structures traced out by these flows in both plume andinter-plume regions continually exhibit transverse (Alfvenic) motion. Ourfinding suggests that high-speed outflows originate mainly from the magneticnetwork of the quiet Sun and coronal holes, and that the plume flows observedare highlighted by the denser plasma contained therein. These outflows might bean efficient means to provide heated mass into the corona and serve as animportant source of mass supply to the solar wind. We demonstrate that thequiet-Sun plume flows can sometimes significantly contaminate the spectroscopicobservations of the adjacent coronal holes - greatly affecting the Dopplershifts observed, thus potentially impacting significant investigations of suchregions.

Observation of High-speed Outflow on Plume-like Structures of the Quiet Sun and Coronal Holes with SDO/AIA