1 RETURN INTENSITY PERIOD RAINFALL 5 56.42 10 65.34 20 71.80 30 76.64 50 82.51 80 87.92 1 RAINFALL HYETOGRAPH TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .41 .48 .52 .56 .60 .64 .2 1.45 1.68 1.85 1.97 2.12 2.26 .3 3.67 4.25 4.67 4.99 5.37 5.72 .4 6.49 7.52 8.26 8.82 9.50 10.12 .5 8.08 9.36 10.29 10.98 11.82 12.60 .6 7.31 8.46 9.30 9.92 10.69 11.39 .7 7.53 8.72 9.59 10.23 11.02 11.74 .8 7.07 8.19 9.00 9.60 10.34 11.02 .9 7.59 8.79 9.66 10.31 11.10 11.83 1.0 6.81 7.89 8.67 9.25 9.96 10.61 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 .33 .37 .39 .42 .45 .2 1.38 1.60 1.76 1.88 2.02 2.16 .3 3.97 4.60 5.06 5.40 5.81 6.19 .4 8.23 9.53 10.47 11.18 12.03 12.82 .5 12.51 14.49 15.92 17.00 18.30 19.50 .6 14.29 16.54 18.18 19.41 20.89 22.26 .7 14.40 16.67 18.32 19.56 21.06 22.44 .8 14.26 16.52 18.15 19.38 20.86 22.23 .9 14.27 16.52 18.15 19.38 20.86 22.23 1.0 9.32 10.79 11.86 12.66 13.63 14.53 1.1 2.62 3.04 3.34 3.56 3.83 4.09 1.2 .74 .85 .94 1.00 1.08 1.15 1.3 .21 .24 .26 .28 .30 .32 1.4 .06 .07 .07 .08 .09 .09 1.5 .02 .02 .02 .02 .02 .03 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 56.42 10 65.34 20 71.80 30 76.64 50 82.51 80 87.92 1 RAINFALL HYETOGRAPH TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .41 .48 .52 .56 .60 .64 .2 1.45 1.68 1.85 1.97 2.12 2.26 .3 3.67 4.25 4.67 4.99 5.37 5.72 .4 6.49 7.52 8.26 8.82 9.50 10.12 .5 8.08 9.36 10.29 10.98 11.82 12.60 .6 7.31 8.46 9.30 9.92 10.69 11.39 .7 7.53 8.72 9.59 10.23 11.02 11.74 .8 7.07 8.19 9.00 9.60 10.34 11.02 .9 7.59 8.79 9.66 10.31 11.10 11.83 1.0 6.81 7.89 8.67 9.25 9.96 10.61 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 .37 .41 .43 .47 .50 .2 1.63 1.89 2.07 2.21 2.38 2.54 .3 4.90 5.68 6.24 6.66 7.17 7.64 .4 10.67 12.35 13.57 14.49 15.60 16.62 .5 17.31 20.04 22.02 23.51 25.31 26.97 .6 21.58 24.99 27.46 29.31 31.55 33.62 .7 23.38 27.08 29.76 31.76 34.20 36.44 .8 24.10 27.91 30.67 32.74 35.24 37.55 .9 24.50 28.37 31.18 33.28 35.83 38.18 1.0 19.23 22.27 24.47 26.12 28.12 29.96 1.1 10.27 11.89 13.07 13.95 15.02 16.00 1.2 5.28 6.11 6.71 7.17 7.72 8.22 1.3 2.71 3.14 3.45 3.68 3.96 4.22 1.4 1.39 1.61 1.77 1.89 2.04 2.17 1.5 .72 .83 .91 .97 1.05 1.11 1.6 .37 .43 .47 .50 .54 .57 1.7 .19 .22 .24 .26 .28 .29 1.8 .10 .11 .12 .13 .14 .15 1.9 .05 .06 .06 .07 .07 .08 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 56.42 10 65.34 20 71.80 30 76.64 50 82.51 80 87.92 1 RAINFALL HYETOGRAPH TIME 5-YR 10-YR 20-YR 30-YR 50-YR 80-YR .1 .41 .48 .52 .56 .60 .64 .2 1.45 1.68 1.85 1.97 2.12 2.26 .3 3.67 4.25 4.67 4.99 5.37 5.72 .4 6.49 7.52 8.26 8.82 9.50 10.12 .5 8.08 9.36 10.29 10.98 11.82 12.60 .6 7.31 8.46 9.30 9.92 10.69 11.39 .7 7.53 8.72 9.59 10.23 11.02 11.74 .8 7.07 8.19 9.00 9.60 10.34 11.02 .9 7.59 8.79 9.66 10.31 11.10 11.83 1.0 6.81 7.89 8.67 9.25 9.96 10.61 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 .22 .24 .26 .28 .30 .2 1.05 1.21 1.33 1.42 1.53 1.63 .3 3.36 3.90 4.28 4.57 4.92 5.24 .4 7.85 9.10 10.00 10.67 11.49 12.24 .5 14.00 16.22 17.82 19.02 20.48 21.82 .6 19.86 22.99 25.27 26.97 29.04 30.94 .7 24.58 28.47 31.28 33.39 35.95 38.30 .8 28.29 32.77 36.01 38.43 41.38 44.09 .9 31.21 36.14 39.72 42.39 45.64 48.63 1.0 30.18 34.96 38.41 41.00 44.14 47.03 1.1 25.28 29.27 32.17 34.33 36.96 39.39 1.2 20.53 23.78 26.13 27.89 30.02 31.99 1.3 16.29 18.86 20.73 22.13 23.82 25.38 1.4 12.73 14.74 16.20 17.29 18.62 19.84 1.5 9.94 11.51 12.65 13.50 14.53 15.48 1.6 7.76 8.98 9.87 10.54 11.34 12.09 1.7 6.06 7.01 7.71 8.23 8.86 9.44 1.8 4.73 5.47 6.02 6.42 6.91 7.37 1.9 3.69 4.27 4.70 5.01 5.40 5.75 2.0 2.88 3.34 3.67 3.91 4.21 4.49 2.1 2.25 2.60 2.86 3.05 3.29 3.50 2.2 1.76 2.03 2.23 2.38 2.57 2.74 2.3 1.37 1.59 1.74 1.86 2.00 2.14 2.4 1.07 1.24 1.36 1.45 1.56 1.67 2.5 .84 .97 1.06 1.13 1.22 1.30 2.6 .65 .76 .83 .89 .95 1.02 2.7 .51 .59 .65 .69 .74 .79 2.8 .40 .46 .51 .54 .58 .62 2.9 .31 .36 .39 .42 .45 .48 3.0 .24 .28 .31 .33 .35 .38 3.1 .19 .22 .24 .26 .28 .29 3.2 .15 .17 .19 .20 .22 .23 3.3 .12 .13 .15 .16 .17 .18 3.4 .09 .10 .11 .12 .13 .14 3.5 .07 .08 .09 .10 .10 .11 3.6 .05 .06 .07 .07 .08 .09 3.7 .04 .05 .05 .06 .06 .07 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 .01 .02 .02 .02 .02 4.3 .01 .01 .01 .01 .01 .02 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