  Turbulent and vortical flows are ubiquitous and their characterization is
crucial for the understanding of several natural and industrial processes.
Among different techniques to study spatio-temporal flow fields, complex
networks represent a recent and promising tool to deal with the large amount of
data on turbulent flows and shed light on their physical mechanisms. The aim of
this review is to bring together the main findings achieved so far from the
application of network-based techniques to study turbulent and vortical flows.
A critical discussion on the potentialities and limitations of the network
approach is provided, thus giving an ordered portray of the current diversified
literature. The present review can boost future network-based research on
turbulent and vortical flows, promoting the establishment of complex networks
as a widespread tool for turbulence analysis.
