Meandering

Posted on August 4, 2017 by William Calvin

jurura-river-oxbow-lake-scroll-bar-800x600The Jurea River in the Amazon and its many abandoned meanders.  Note all of the pale green loops that have revegetated.  Spring floods break through the narrower of the necks, as has happened at the center of this picture.

About William Calvin

UW prof emeritus brains, human evolution, climate
This entry was posted in Nature, Photography. Bookmark the permalink.

1 Response to Meandering

  1. Michael Caplow says:
    August 4, 2017 at 8:33 PM

    I believe the ratio of the length of a river divided by distance is equal to pi, which looks about right here. This is apparently true for rivers that flow gently. einstein worked on this problem.

Comments are closed.