Gas flows in and out of galaxies are fundamental ingredients for studying their chemical evolution, since they are required to explain several important features in galaxies and galaxy clusters. These features include the metallicity distribution of G-dwarfs in the solar neighbourhood, the abundance gradients along the galactic disk as well as the heavy element abundances measured in the ICM. We will discuss here the infall of gas onto disks, the radial flows along disks and galactic winds.
KeywordsStar Formation Radial Flow Star Formation Rate Galactic Disk Solar Neighbourhood
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