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<br />Sf/f/Ob<>l <br />A <br />a, <br />dm <br />F <br />9 <br />h <br />h, <br />K <br />KT <br />K. <br />k <br />L <br />n <br />p <br />Q <br />q <br />R <br />S <br />V <br />1.' <br />a <br /><i <br />::: <br />VI <br /> <br />SYMBOLS AND UNITS <br /> <br />Definition <br /> <br />Area. <br />Area of individual subsection. <br />Mean depth. <br />Froude number. <br />Gravitational constant (acceleration). <br />Static or piezometric head above an arbitrary datum. <br />Velocity head at a section. <br />Conveyance of a section. <br />Conveyance of total cross section, <br />Weighted conveyance for a reach. <br />Coefficient for energy loss. <br />Length of reach of channel. <br />Manning roughness coefficient. <br />Wetted perimeter of cross section of flow. <br />Total discharge. <br />Part of the total discharge. <br />Hydraulic radius. <br />Friction slope. <br />Mean velocity of flow in a section. <br />Subscripts which denote the location of cross sections or section properties in downstream <br />order. <br />Velocity head coefficient. <br />Difference in values, as tth is the difference in head. <br />Summation of values. <br /> <br />e <br /> <br />Unit <br />ft' <br />ft' <br />ft <br /> <br />ft/sec2 <br />ft <br />ft <br />fV/see <br />ft'/see <br />fV/see <br /> <br />ft <br />ftl/8 <br />ft <br />ft'/see <br />ft'/see <br />ft <br /> <br />e <br /> <br />ft/see <br /> <br />e <br />