During the late Holocene, an avulsion-controlled Karun
megafan developed in the Lower Khuzestan plain. Based
on the interpretation of satellite data, at least three different
Karun channels were detected. A chronological framework
is provided by archaeological sites and textual sources. The presence of extensive irrigation systems highlights
the important role of human activity in the development of
the plain. In addition, there is clear evidence
of human actions (construction and destruction of dams)
which caused repeated avulsions in the lower reaches of the
present-day Karun. Similar impacts may have contributed
to other channel shifts in historical times