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<br />Table 4 shows the results of t~le 1100d reconstitutions Figures 6.7, and 8 show ttle Ilisloric <br />rainfall and runoff rates for the three storms. <br /> <br />Table;' -6 <br />Irondale Gulch Calibrated Infiltration Flates From Storm Reconstitutions <br /> <br /> Peak 5 min. <br /> Total Storm Storm Pm <br /> Volume (in.) Intensity Slo <br />Storm (inihr) Am <br />July 24, 1973 0.95 3.3El D.E; <br /> earl <br />Aug. 7. 1973 1.95 5.64 0.3 <br /> ear <br />July 30. 1974 1.39 3.94 13 <br /> ear <br />lUsing uniform infiltration loss rat!? <br />2Using exponential loss rate based on UOFeD criteria <br /> <br />VIOUS <br />rm <br />ounts <br /> <br />Observed <br />Runoff <br />Volume (Ac~ <br />ft' <br />, <br /> <br />Calibrated <br />Simulated Minimum <br />Runoff Infiltration <br />Volume (Ac Ratp <br />ft) (inihr) <br />-.-- -------- <br />5.0 O,g' <br /> <br />3" -- 2 days <br />ier <br /> <br />4.9 <br /> <br />5" . 8 days <br />lier <br /> <br />10.7 <br /> <br />10.8 <br /> <br />08' <br /> <br />3" . 8 days <br />Iier <br /> <br />7.9 <br /> <br />---- -------- <br />8.1 1 :)' <br /> <br />SANDJ24.CHT <br /> <br />USGS STREAM GAGE 067143!() -. IRGNDAlE GULCH - MONTE BELLO <br />JULY 24, 1973 STARTli~G AT H\15 HOURS <br /> <br />'" <br /> <br />'" <br /> <br /> <br />'..J <br /> <br />...J~--+---+- -. +--+-- t----+-.--.;-----+---+ --- -'--I'-~-I <br />0.05 I <br />0.10 r <br />0.15 r <br />0.20 f- <br />0.25 <br /> <br />,,, <br /> <br />" <br />Inffltrctlol"1 '" <br />0.8 In,~heslhou- <br /> <br />,,, <br />.!! <br />o <br /> <br />~~~Tu~,~lI~ ~~no1~_f1 <br /> <br />CUO <br />0.35 <br /> <br />'" <br />E <br />~100 <br />a <br />-G eo <br />. <br />a ~o <br /> <br />'" <br /> <br /> <br />. <br />. <br />L <br />U <br />E <br /> <br />" <br /> <br />Observed <br />Runoff <br />Volume= <br />.4.9 Ac-ff <br /> <br />,;' <br />c <br />ii <br />~ <br /> <br />, <br />o 10 20 JO <br /> <br />;JO <br /> <br />Figure 7-:2 <br /> <br />Colorado Flood <br />Hydrology Manual <br /> <br />DRAFT <br /> <br />7.28 <br />