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
misentropy


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