1 RETURN INTENSITY PERIOD RAINFALL 5 56.95 10 68.83 20 71.36 30 76.57 50 81.70 80 84.02 1 RAINFALL HYETOGRAPH TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .42 .50 .52 .56 .60 .61 .2 1.46 1.77 1.83 1.97 2.10 2.16 .3 3.71 4.48 4.65 4.98 5.32 5.47 .4 6.55 7.92 8.21 8.81 9.40 9.67 .5 8.16 9.86 10.23 10.97 11.71 12.04 .6 7.38 8.91 9.24 9.92 10.58 10.88 .7 7.60 9.19 9.53 10.22 10.91 11.22 .8 7.14 8.62 8.94 9.59 10.24 10.53 .9 7.66 9.26 9.60 10.30 10.99 11.30 1.0 6.87 8.31 8.61 9.24 9.86 10.14 1 KY-1 1 ( NA ) STRIP NUMBER = 4 ( DT ) UNIT TIME OF UNIT-GRAPH(HOUR) = .10 ( XL ) BASIN-LENGTH(KM) = 1.60 (COFF) RUNOFF COEFFICIENT = .77 (BET ) INITIAL CONCENTRATION TIME = .00 ZONING LENGTH AREA(I) ACCUMU. WIDTH TIME NUMBER (KM) (SQ.KM) AREA(I) (KM) (HR) 1 .25 .300 .300 1.195 .011 2 .50 .360 .660 .720 .021 3 .50 .190 .850 .380 .025 4 .35 .060 .910 .171 .032 1 CONCENTRATED LENGTH AND AREA TIME LENGTH AREA (HOUR) (KM) (SQ.KM) .1 1.60 .910 C1 = .719 C2 = .281 1 AREA-ROUTING UNIT-HYDROGRAPH TIME AREA I=2.7780 (I1 + I2)/2 C1 * (1) C2 * (4) (2) + (3) (HR.) (KM**2) * AREA = (1) = (2) = (3) = (4) .1 .910 2.528 1.264 .908 .000 .9084 .2 .000 .000 1.264 .908 .256 1.1640 .3 .000 .000 .000 .000 .327 .3274 .4 .000 .000 .000 .000 .092 .0921 .5 .000 .000 .000 .000 .026 .0259 .6 .000 .000 .000 .000 .007 .0073 .7 .000 .000 .000 .000 .002 .0021 .8 .000 .000 .000 .000 .001 .0006 .9 .000 .000 .000 .000 .000 .0002 1.0 .000 .000 .000 .000 .000 .0000 1.1 .000 .000 .000 .000 .000 .0000 1.2 .000 .000 .000 .000 .000 .0000 1.3 .000 .000 .000 .000 .000 .0000 1.4 .000 .000 .000 .000 .000 .0000 1.5 .000 .000 .000 .000 .000 .0000 1.6 .000 .000 .000 .000 .000 .0000 1.7 .000 .000 .000 .000 .000 .0000 1.8 .000 .000 .000 .000 .000 .0000 1.9 .000 .000 .000 .000 .000 .0000 2.0 .000 .000 .000 .000 .000 .0000 2.1 .000 .000 .000 .000 .000 .0000 2.2 .000 .000 .000 .000 .000 .0000 2.3 .000 .000 .000 .000 .000 .0000 2.4 .000 .000 .000 .000 .000 .0000 2.5 .000 .000 .000 .000 .000 .0000 2.6 .000 .000 .000 .000 .000 .0000 2.7 .000 .000 .000 .000 .000 .0000 2.8 .000 .000 .000 .000 .000 .0000 2.9 .000 .000 .000 .000 .000 .0000 3.0 .000 .000 .000 .000 .000 .0000 3.1 .000 .000 .000 .000 .000 .0000 3.2 .000 .000 .000 .000 .000 .0000 3.3 .000 .000 .000 .000 .000 .0000 3.4 .000 .000 .000 .000 .000 .0000 3.5 .000 .000 .000 .000 .000 .0000 3.6 .000 .000 .000 .000 .000 .0000 3.7 .000 .000 .000 .000 .000 .0000 3.8 .000 .000 .000 .000 .000 .0000 3.9 .000 .000 .000 .000 .000 .0000 4.0 .000 .000 .000 .000 .000 .0000 4.1 .000 .000 .000 .000 .000 .0000 4.2 .000 .000 .000 .000 .000 .0000 4.3 .000 .000 .000 .000 .000 .0000 4.4 .000 .000 .000 .000 .000 .0000 4.5 .000 .000 .000 .000 .000 .0000 4.6 .000 .000 .000 .000 .000 .0000 4.7 .000 .000 .000 .000 .000 .0000 4.8 .000 .000 .000 .000 .000 .0000 4.9 .000 .000 .000 .000 .000 .0000 5.0 .000 .000 .000 .000 .000 .0000 1 FLOOD HYDROGRAPH BY AREA-ROUTING UNIT-HYDROGRAPH METHOD BASIN AREA = .91SQ.KM BASIN LENGTH = 1.60KM TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .29 .35 .36 .39 .42 .43 .2 1.40 1.69 1.75 1.88 2.00 2.06 .3 4.01 4.85 5.02 5.39 5.75 5.92 .4 8.31 10.04 10.41 11.17 11.92 12.25 .5 12.63 15.26 15.83 16.98 18.12 18.63 .6 14.42 17.43 18.07 19.39 20.69 21.27 .7 14.53 17.56 18.21 19.54 20.85 21.44 .8 14.40 17.40 18.04 19.36 20.65 21.24 .9 14.40 17.40 18.04 19.36 20.66 21.24 1.0 9.41 11.37 11.79 12.65 13.50 13.88 1.1 2.65 3.20 3.32 3.56 3.80 3.90 1.2 .74 .90 .93 1.00 1.07 1.10 1.3 .21 .25 .26 .28 .30 .31 1.4 .06 .07 .07 .08 .08 .09 1.5 .02 .02 .02 .02 .02 .02 1.6 .00 .01 .01 .01 .01 .01 1.7 .00 .00 .00 .00 .00 .00 1.8 .00 .00 .00 .00 .00 .00 1.9 .00 .00 .00 .00 .00 .00 2.0 .00 .00 .00 .00 .00 .00 2.1 .00 .00 .00 .00 .00 .00 2.2 .00 .00 .00 .00 .00 .00 2.3 .00 .00 .00 .00 .00 .00 2.4 .00 .00 .00 .00 .00 .00 2.5 .00 .00 .00 .00 .00 .00 2.6 .00 .00 .00 .00 .00 .00 2.7 .00 .00 .00 .00 .00 .00 2.8 .00 .00 .00 .00 .00 .00 2.9 .00 .00 .00 .00 .00 .00 3.0 .00 .00 .00 .00 .00 .00 3.1 .00 .00 .00 .00 .00 .00 3.2 .00 .00 .00 .00 .00 .00 3.3 .00 .00 .00 .00 .00 .00 3.4 .00 .00 .00 .00 .00 .00 3.5 .00 .00 .00 .00 .00 .00 3.6 .00 .00 .00 .00 .00 .00 3.7 .00 .00 .00 .00 .00 .00 3.8 .00 .00 .00 .00 .00 .00 3.9 .00 .00 .00 .00 .00 .00 4.0 .00 .00 .00 .00 .00 .00 4.1 .00 .00 .00 .00 .00 .00 4.2 .00 .00 .00 .00 .00 .00 4.3 .00 .00 .00 .00 .00 .00 4.4 .00 .00 .00 .00 .00 .00 4.5 .00 .00 .00 .00 .00 .00 4.6 .00 .00 .00 .00 .00 .00 4.7 .00 .00 .00 .00 .00 .00 4.8 .00 .00 .00 .00 .00 .00 4.9 .00 .00 .00 .00 .00 .00 5.0 .00 .00 .00 .00 .00 .00 1 RETURN INTENSITY PERIOD RAINFALL 5 56.95 10 68.83 20 71.36 30 76.57 50 81.70 80 84.02 1 RAINFALL HYETOGRAPH TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .42 .50 .52 .56 .60 .61 .2 1.46 1.77 1.83 1.97 2.10 2.16 .3 3.71 4.48 4.65 4.98 5.32 5.47 .4 6.55 7.92 8.21 8.81 9.40 9.67 .5 8.16 9.86 10.23 10.97 11.71 12.04 .6 7.38 8.91 9.24 9.92 10.58 10.88 .7 7.60 9.19 9.53 10.22 10.91 11.22 .8 7.14 8.62 8.94 9.59 10.24 10.53 .9 7.66 9.26 9.60 10.30 10.99 11.30 1.0 6.87 8.31 8.61 9.24 9.86 10.14 1 KY-2 1 ( NA ) STRIP NUMBER = 5 ( DT ) UNIT TIME OF UNIT-GRAPH(HOUR) = .10 ( XL ) BASIN-LENGTH(KM) = 2.15 (COFF) RUNOFF COEFFICIENT = .77 (BET ) INITIAL CONCENTRATION TIME = .00 ZONING LENGTH AREA(I) ACCUMU. WIDTH TIME NUMBER (KM) (SQ.KM) AREA(I) (KM) (HR) 1 .25 .330 .330 1.315 .011 2 .50 .570 .900 1.140 .021 3 .50 .420 1.320 .840 .025 4 .50 .190 1.510 .380 .048 5 .40 .080 1.590 .200 .051 1 CONCENTRATED LENGTH AND AREA TIME LENGTH AREA (HOUR) (KM) (SQ.KM) .1 1.70 1.491 .2 2.15 .099 C1 = .486 C2 = .514 1 AREA-ROUTING UNIT-HYDROGRAPH TIME AREA I=2.7780 (I1 + I2)/2 C1 * (1) C2 * (4) (2) + (3) (HR.) (KM**2) * AREA = (1) = (2) = (3) = (4) .1 1.491 4.141 2.071 1.007 .000 1.0068 .2 .099 .276 2.209 1.074 .517 1.5911 .3 .000 .000 .138 .067 .817 .8845 .4 .000 .000 .000 .000 .454 .4544 .5 .000 .000 .000 .000 .233 .2335 .6 .000 .000 .000 .000 .120 .1199 .7 .000 .000 .000 .000 .062 .0616 .8 .000 .000 .000 .000 .032 .0317 .9 .000 .000 .000 .000 .016 .0163 1.0 .000 .000 .000 .000 .008 .0084 1.1 .000 .000 .000 .000 .004 .0043 1.2 .000 .000 .000 .000 .002 .0022 1.3 .000 .000 .000 .000 .001 .0011 1.4 .000 .000 .000 .000 .001 .0006 1.5 .000 .000 .000 .000 .000 .0003 1.6 .000 .000 .000 .000 .000 .0002 1.7 .000 .000 .000 .000 .000 .0001 1.8 .000 .000 .000 .000 .000 .0000 1.9 .000 .000 .000 .000 .000 .0000 2.0 .000 .000 .000 .000 .000 .0000 2.1 .000 .000 .000 .000 .000 .0000 2.2 .000 .000 .000 .000 .000 .0000 2.3 .000 .000 .000 .000 .000 .0000 2.4 .000 .000 .000 .000 .000 .0000 2.5 .000 .000 .000 .000 .000 .0000 2.6 .000 .000 .000 .000 .000 .0000 2.7 .000 .000 .000 .000 .000 .0000 2.8 .000 .000 .000 .000 .000 .0000 2.9 .000 .000 .000 .000 .000 .0000 3.0 .000 .000 .000 .000 .000 .0000 3.1 .000 .000 .000 .000 .000 .0000 3.2 .000 .000 .000 .000 .000 .0000 3.3 .000 .000 .000 .000 .000 .0000 3.4 .000 .000 .000 .000 .000 .0000 3.5 .000 .000 .000 .000 .000 .0000 3.6 .000 .000 .000 .000 .000 .0000 3.7 .000 .000 .000 .000 .000 .0000 3.8 .000 .000 .000 .000 .000 .0000 3.9 .000 .000 .000 .000 .000 .0000 4.0 .000 .000 .000 .000 .000 .0000 4.1 .000 .000 .000 .000 .000 .0000 4.2 .000 .000 .000 .000 .000 .0000 4.3 .000 .000 .000 .000 .000 .0000 4.4 .000 .000 .000 .000 .000 .0000 4.5 .000 .000 .000 .000 .000 .0000 4.6 .000 .000 .000 .000 .000 .0000 4.7 .000 .000 .000 .000 .000 .0000 4.8 .000 .000 .000 .000 .000 .0000 4.9 .000 .000 .000 .000 .000 .0000 5.0 .000 .000 .000 .000 .000 .0000 1 FLOOD HYDROGRAPH BY AREA-ROUTING UNIT-HYDROGRAPH METHOD BASIN AREA = 1.59SQ.KM BASIN LENGTH = 2.15KM TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .32 .39 .40 .43 .46 .48 .2 1.64 1.99 2.06 2.21 2.36 2.43 .3 4.95 5.98 6.20 6.66 7.10 7.30 .4 10.77 13.01 13.49 14.48 15.44 15.88 .5 17.47 21.11 21.89 23.49 25.06 25.77 .6 21.78 26.32 27.29 29.28 31.24 32.13 .7 23.60 28.53 29.58 31.73 33.86 34.82 .8 24.33 29.40 30.48 32.71 34.90 35.89 .9 24.73 29.89 30.99 33.25 35.48 36.48 1.0 19.41 23.46 24.32 26.09 27.84 28.63 1.1 10.37 12.53 12.99 13.94 14.87 15.29 1.2 5.33 6.44 6.67 7.16 7.64 7.86 1.3 2.74 3.31 3.43 3.68 3.93 4.04 1.4 1.41 1.70 1.76 1.89 2.02 2.07 1.5 .72 .87 .90 .97 1.04 1.07 1.6 .37 .45 .46 .50 .53 .55 1.7 .19 .23 .24 .26 .27 .28 1.8 .10 .12 .12 .13 .14 .14 1.9 .05 .06 .06 .07 .07 .07 2.0 .03 .03 .03 .03 .04 .04 2.1 .01 .02 .02 .02 .02 .02 2.2 .01 .01 .01 .01 .01 .01 2.3 .00 .00 .00 .00 .01 .01 2.4 .00 .00 .00 .00 .00 .00 2.5 .00 .00 .00 .00 .00 .00 2.6 .00 .00 .00 .00 .00 .00 2.7 .00 .00 .00 .00 .00 .00 2.8 .00 .00 .00 .00 .00 .00 2.9 .00 .00 .00 .00 .00 .00 3.0 .00 .00 .00 .00 .00 .00 3.1 .00 .00 .00 .00 .00 .00 3.2 .00 .00 .00 .00 .00 .00 3.3 .00 .00 .00 .00 .00 .00 3.4 .00 .00 .00 .00 .00 .00 3.5 .00 .00 .00 .00 .00 .00 3.6 .00 .00 .00 .00 .00 .00 3.7 .00 .00 .00 .00 .00 .00 3.8 .00 .00 .00 .00 .00 .00 3.9 .00 .00 .00 .00 .00 .00 4.0 .00 .00 .00 .00 .00 .00 4.1 .00 .00 .00 .00 .00 .00 4.2 .00 .00 .00 .00 .00 .00 4.3 .00 .00 .00 .00 .00 .00 4.4 .00 .00 .00 .00 .00 .00 4.5 .00 .00 .00 .00 .00 .00 4.6 .00 .00 .00 .00 .00 .00 4.7 .00 .00 .00 .00 .00 .00 4.8 .00 .00 .00 .00 .00 .00 4.9 .00 .00 .00 .00 .00 .00 5.0 .00 .00 .00 .00 .00 .00 1 RETURN INTENSITY PERIOD RAINFALL 5 56.95 10 68.83 20 71.36 30 76.57 50 81.70 80 84.02 1 RAINFALL HYETOGRAPH TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .42 .50 .52 .56 .60 .61 .2 1.46 1.77 1.83 1.97 2.10 2.16 .3 3.71 4.48 4.65 4.98 5.32 5.47 .4 6.55 7.92 8.21 8.81 9.40 9.67 .5 8.16 9.86 10.23 10.97 11.71 12.04 .6 7.38 8.91 9.24 9.92 10.58 10.88 .7 7.60 9.19 9.53 10.22 10.91 11.22 .8 7.14 8.62 8.94 9.59 10.24 10.53 .9 7.66 9.26 9.60 10.30 10.99 11.30 1.0 6.87 8.31 8.61 9.24 9.86 10.14 1 KY-3 1 ( NA ) STRIP NUMBER = 7 ( DT ) UNIT TIME OF UNIT-GRAPH(HOUR) = .10 ( XL ) BASIN-LENGTH(KM) = 3.25 (COFF) RUNOFF COEFFICIENT = .76 (BET ) INITIAL CONCENTRATION TIME = .00 ZONING LENGTH AREA(I) ACCUMU. WIDTH TIME NUMBER (KM) (SQ.KM) AREA(I) (KM) (HR) 1 .25 .330 .330 1.315 .011 2 .50 .600 .930 1.200 .021 3 .50 .670 1.600 1.340 .025 4 .50 .450 2.050 .900 .048 5 .50 .250 2.300 .500 .069 6 .50 .180 2.480 .360 .083 7 .50 .200 2.680 .400 .149 1 CONCENTRATED LENGTH AND AREA TIME LENGTH AREA (HOUR) (KM) (SQ.KM) .1 1.70 2.004 .2 2.41 .353 .3 2.90 .181 .4 3.23 .134 .5 3.25 .008 C1 = .219 C2 = .781 1 AREA-ROUTING UNIT-HYDROGRAPH TIME AREA I=2.7780 (I1 + I2)/2 C1 * (1) C2 * (4) (2) + (3) (HR.) (KM**2) * AREA = (1) = (2) = (3) = (4) .1 2.004 5.568 2.784 .611 .000 .6107 .2 .353 .982 3.275 .718 .477 1.1951 .3 .181 .502 .742 .163 .933 1.0956 .4 .134 .372 .437 .096 .855 .9511 .5 .008 .022 .197 .043 .742 .7857 .6 .000 .000 .011 .002 .613 .6157 .7 .000 .000 .000 .000 .481 .4807 .8 .000 .000 .000 .000 .375 .3752 .9 .000 .000 .000 .000 .293 .2929 1.0 .000 .000 .000 .000 .229 .2287 1.1 .000 .000 .000 .000 .179 .1785 1.2 .000 .000 .000 .000 .139 .1393 1.3 .000 .000 .000 .000 .109 .1088 1.4 .000 .000 .000 .000 .085 .0849 1.5 .000 .000 .000 .000 .066 .0663 1.6 .000 .000 .000 .000 .052 .0517 1.7 .000 .000 .000 .000 .040 .0404 1.8 .000 .000 .000 .000 .032 .0315 1.9 .000 .000 .000 .000 .025 .0246 2.0 .000 .000 .000 .000 .019 .0192 2.1 .000 .000 .000 .000 .015 .0150 2.2 .000 .000 .000 .000 .012 .0117 2.3 .000 .000 .000 .000 .009 .0091 2.4 .000 .000 .000 .000 .007 .0071 2.5 .000 .000 .000 .000 .006 .0056 2.6 .000 .000 .000 .000 .004 .0043 2.7 .000 .000 .000 .000 .003 .0034 2.8 .000 .000 .000 .000 .003 .0027 2.9 .000 .000 .000 .000 .002 .0021 3.0 .000 .000 .000 .000 .002 .0016 3.1 .000 .000 .000 .000 .001 .0013 3.2 .000 .000 .000 .000 .001 .0010 3.3 .000 .000 .000 .000 .001 .0008 3.4 .000 .000 .000 .000 .001 .0006 3.5 .000 .000 .000 .000 .000 .0005 3.6 .000 .000 .000 .000 .000 .0004 3.7 .000 .000 .000 .000 .000 .0003 3.8 .000 .000 .000 .000 .000 .0002 3.9 .000 .000 .000 .000 .000 .0002 4.0 .000 .000 .000 .000 .000 .0001 4.1 .000 .000 .000 .000 .000 .0001 4.2 .000 .000 .000 .000 .000 .0001 4.3 .000 .000 .000 .000 .000 .0001 4.4 .000 .000 .000 .000 .000 .0001 4.5 .000 .000 .000 .000 .000 .0000 4.6 .000 .000 .000 .000 .000 .0000 4.7 .000 .000 .000 .000 .000 .0000 4.8 .000 .000 .000 .000 .000 .0000 4.9 .000 .000 .000 .000 .000 .0000 5.0 .000 .000 .000 .000 .000 .0000 1 FLOOD HYDROGRAPH BY AREA-ROUTING UNIT-HYDROGRAPH METHOD BASIN AREA = 2.68SQ.KM BASIN LENGTH = 3.25KM TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .19 .23 .24 .26 .28 .28 .2 1.06 1.28 1.32 1.42 1.52 1.56 .3 3.40 4.10 4.26 4.57 4.87 5.01 .4 7.93 9.58 9.93 10.66 11.37 11.70 .5 14.13 17.08 17.71 19.00 20.28 20.85 .6 20.04 24.22 25.11 26.95 28.75 29.57 .7 24.81 29.99 31.09 33.36 35.59 36.60 .8 28.56 34.52 35.79 38.40 40.97 42.13 .9 31.50 38.07 39.47 42.36 45.19 46.48 1.0 30.47 36.82 38.18 40.96 43.71 44.95 1.1 25.51 30.84 31.97 34.30 36.60 37.64 1.2 20.72 25.05 25.97 27.86 29.73 30.57 1.3 16.44 19.87 20.60 22.11 23.59 24.26 1.4 12.85 15.53 16.10 17.28 18.43 18.96 1.5 10.03 12.12 12.57 13.49 14.39 14.80 1.6 7.83 9.46 9.81 10.53 11.23 11.55 1.7 6.11 7.39 7.66 8.22 8.77 9.02 1.8 4.77 5.77 5.98 6.42 6.85 7.04 1.9 3.72 4.50 4.67 5.01 5.34 5.50 2.0 2.91 3.51 3.64 3.91 4.17 4.29 2.1 2.27 2.74 2.84 3.05 3.26 3.35 2.2 1.77 2.14 2.22 2.38 2.54 2.61 2.3 1.38 1.67 1.73 1.86 1.98 2.04 2.4 1.08 1.31 1.35 1.45 1.55 1.59 2.5 .84 1.02 1.06 1.13 1.21 1.24 2.6 .66 .80 .82 .88 .94 .97 2.7 .51 .62 .64 .69 .74 .76 2.8 .40 .48 .50 .54 .58 .59 2.9 .31 .38 .39 .42 .45 .46 3.0 .24 .30 .31 .33 .35 .36 3.1 .19 .23 .24 .26 .27 .28 3.2 .15 .18 .19 .20 .21 .22 3.3 .12 .14 .15 .16 .17 .17 3.4 .09 .11 .11 .12 .13 .13 3.5 .07 .09 .09 .10 .10 .10 3.6 .06 .07 .07 .07 .08 .08 3.7 .04 .05 .05 .06 .06 .06 3.8 .03 .04 .04 .05 .05 .05 3.9 .03 .03 .03 .04 .04 .04 4.0 .02 .02 .03 .03 .03 .03 4.1 .02 .02 .02 .02 .02 .02 4.2 .01 .02 .02 .02 .02 .02 4.3 .01 .01 .01 .01 .01 .01 4.4 .01 .01 .01 .01 .01 .01 4.5 .01 .01 .01 .01 .01 .01 4.6 .00 .01 .01 .01 .01 .01 4.7 .00 .00 .00 .00 .01 .01 4.8 .00 .00 .00 .00 .00 .00 4.9 .00 .00 .00 .00 .00 .00 5.0 .00 .00 .00 .00 .00 .00