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<br />3-2 <br /> <br />Table 3-1. -- EXAMPLE INPUT DATA FOR SMALL WATERSHED <br /> <br />Item <br />To develop a hydrograph: <br />Subwatershed (at least one required) <br />drainage area <br />runoff curve number <br />time of concentration <br />Rainfall (required) <br />antecedent moisture condition <br />rainfall depth <br />or rain table <br />Main time increment for hydrographs, etc. <br />(default = 0.5 hour) <br />For each valley reach: <br />length of reach <br />cross section data (elevation, discharge, <br />end area) <br />or rating curve coefficients x and m <br />For each structure: <br />elevation, discharge, storage <br /> <br />*Items in parentheses are units and are not input data. <br /> <br />Example of Data <br /> <br />€!' <br /> <br />1.2 (sq. mL)* <br />75. <br />0.33 (hours )oJ( <br /> <br />2 <br /> <br />5.2 (inches)* <br />2 <br /> <br />0.1 (hours)* <br /> <br />5400. (feet)* <br />table <br /> <br />0.5, 1.3 <br /> <br />ce( <br /> <br />table <br /> <br />Where "table" is given, the input is a complete table consisting of <br />several lines of input data. <br /> <br />~ <br />