Thursday, December 05, 2013

Stølum number timelapse river changing course science gif

Science in GIFs: Measuring the meanderiness of a river

The meanderiness of a river, its Stølum number, is defined as the length the water travels from source to finish (blue curve) divided by the direct distance (red line).  This can change chaotically as a river changes coarse, forming Ox bow lakes. The ratio is often found to converge to (but rarely exceed) 3.14, roughly pi. Via

Sign up to receive The Future of Advertising newsletter in your inbox every Thursday, or view The Future of Advertising archive for past editions.