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<br />-... <br />A <br />a, <br />g <br />hi <br />h. <br />H.I. <br />K <br />Kw <br />n <br />Q <br />R <br />S <br />V <br />v <br />1,2 <br />'" <br />4 <br />1: <br />VI <br /> <br />SYMBOLS AND UNITS <br /> <br />Definition <br /> <br />Area. <br />Area of subsection. <br />Gravitational constant (acceleration). <br />Head loss due to friction. <br />Velocity head at a section. <br />Height of instrument. <br />Conveyance of a section. <br />Weighted conveyance for a reach. <br />Manning roughness coefficient. <br />Total discharge. <br />Hydraulio radius. <br />Water-surface slope. <br />Mean velocity of flow in a section. <br />Mean velocity of small subarea. <br />Subscripts which denote the location of crOBS sections or section <br />properties in downstream order. <br />Velocity-head coefficient. <br />Difference in values, as t:.h is the difference in bead; part of total. <br />Summation of values. <br /> <br />c <br />, <br />, <br />I <br />I <br />I <br /> <br />. <br /> <br />UnU <br /> <br />ft' <br />ft' <br />ft/se'" <br />ft <br />ft <br />ft <br />ft'/see <br />ft'/see <br />ft'/' <br />W/_ <br />ft <br />ft <br />ft/see <br />ft/se. <br /> <br />. <br /> <br />.1 <br />I <br />