Mar 31, 2019
River migration This photo from above catches several stages in river evolution. In a meandering river system like this one, river meanders grow outward by eroding away at a cutbank. Sediment moved away from the cutbank often is deposited on a point bar on the inside of a growing meander – the sand bars stand out clearly in this photo, showing meanders in various states of growth. River meanders grow outward through this process until eventually the meander gets so big that the river breaks through and establishes a new, shorter course. When that breakthrough happens, it often strands the old meander as an abandoned channel known as an oxbow lake. -JBB Image credit: https://www.flickr.com/photos/maitri/73035629/
