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<br />3.14. The predicled runoff rates from the urban areas <br />of Ihe watersheds for the precipitation events of vari- <br />ous return periods are shown in Table 3.3. These <br />flood peaks are estimated from precipitation events <br /> <br />of assigned frequency, nol from historical dala, and <br />represent !.he application of !.he model 10 !.he individ- <br />ual watersheds and a summation of !.he results for <br />the entire drainage area. <br /> <br />~ 0.1 <br /><t- <br />o:: c: <br />z'E 0 <br />Qo <br />f-o<) <br />~, <br />_ c: <br />~:::. <br />~ 1200 <br />a:: <br />Q. <br /> <br /> <br />PRECIPITATION (Recorded within the Study Area <br />on Moy 23, 1968) <br /> <br />0.2 <br /> <br />HYDROGRAPHS <br /> <br />Jordan River Recorded Outflow <br />IStation 1705 + 1710 - see Fig. 1.1) <br /> <br />co~~~;~u~:7- <br /> <br />1100 <br /> <br /> <br />1000 - <br /> <br />900 <br /> <br />800 <br /> <br />700 <br /> <br />(f) <br />LL <br />U <br />Z <br /> <br />600 <br /> <br />Big COllonwood Creek Recorded Inflow <br />~~(Station 1685- see Fig. 1.1) <br />~; ----- -- -- <br /> <br />500 <br /> <br />....-- - -J,;;d~:er Reco;ded Infl~=7' - --- -__ <br />~......---J {Station 1673 - see Fig. 1.11 <br /> <br />UJ <br />(!) <br />a:: <br /><( <br />:I: <br />U <br />(f) <br /> <br />o <br /> <br />l<: <br /><( <br />UJ <br />Q. <br /> <br />400 <br /> <br />300 <br /> <br />200 <br /> <br />Lilt Ie COllonwood Creek Recorded Inflow <br />LISlation 1677 -see Fig. 1.11 <br />----------- ----------------------------- <br /> <br />100 <br /> <br />4 <br /> <br />8 <br /> <br />12 <br /> <br />16 <br /> <br />20 <br /> <br /> <br />24 <br /> <br />28 <br /> <br />o <br /> <br /> <br />TIME IN HOURS FROM BEGINNING OF STORM EVENT <br /> <br />Figure 3.11. A comparison between observed and computed outflow hydrographs from the study area in <br />the Jordan River for the storm event of May 23, 1968. <br /> <br />39 <br />