In 1935, Filip Hjulström created the Hjulström curve, a graph which shows the relationship between the size of sediment and the velocity required to erode (lift it), transport it, or deposit it.The long profile – changing processes: types of erosion, transportation and deposition, types of load; the Hjulstrom curve. coolgeography.co.uk. Last accessed 26 Dec 2011. The graph is logarithmic.
