| http://www.w3.org/ns/prov#value | - I am not speculating any further, however.posted by JoeXIII007 at 9:43 AM on May 31, 2013 The velocity of water flowing in a channel is a complicated function of a number of variables, including the channel's slope, something called the hydraulic radius of the channel, and another variable called the roughness coefficient which is a measure of the roughness of the channel sides and bottom.
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